Columbia Banking

29.95

+0.22500.76%

Pre-market: 29.94-0.0050-0.02%08:51 EDT

Volume:2.19M

Turnover:65.84M

Market Cap:8.47B

PE:11.76

High:30.33

Open:30.10

Low:29.82

Close:29.72

52wk High:33.68

52wk Low:23.83

Shares:283.00M

Float Shares:280.00M

Volume Ratio:0.77

T/O Rate:0.78%

Dividend:1.47

Dividend Rate:4.91%

EPS(TTM):2.55

EPS(LYR):2.31

ROE:11.03%

ROA:1.21%

PB:1.12

PE(LYR):12.96

Loading ...

Overview Company News Filings

Mar 31, 2025

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Easy breezy. No more feesies.","description":"Tiger Trade is a mobile trading app offering real time data, low commission fees and a free demo account. Download now to start investing in ETFs, options and the global share market.","keywords":"Tiger Brokers,U.S. stock trading,Hong Kong stock trading,trading U.S. stocks,stock information,stock prices,U.S. stock quotes,U.S. stock trading,Hong Kong stock trading,IPO trading,buying U.S. stocks,global investment","social":{"ogDescription":"Tiger Trade is a mobile trading app offering real time data, low commission fees and a free demo account. Download now to start investing in ETFs, options and the global share market.","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://www.thetigerbrokers.com/stock/COLB/filings?page=4"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"NZL","license":"TBKIWI","edition":"fundamental","symbol":"COLB","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"COLB\",,,,,undefined,":{"symbol":"COLB","market":"US","secType":"STK","nameCN":"Columbia Banking","latestPrice":29.945,"timestamp":1789675200000,"preClose":29.72,"halted":0,"volume":2194787,"hourTrading":{"tag":"盘前","latestPrice":29.94,"preClose":29.945,"latestTime":"08:51 EDT","volume":1016,"amount":30395.181271999998,"timestamp":1789735884449,"change":-0.005,"changeRate":-0.000167,"amplitude":0.030723},"delay":0,"changeRate":0.00757065948855994,"floatShares":280000000,"shares":283000000,"eps":2.546169,"marketStatus":"Pre-Mkt","change":0.225,"latestTime":"09-18 09:08:24 EDT","open":30.1,"high":30.33,"low":29.82,"amount":65842672.825951,"amplitude":0.01716,"askPrice":29.99,"askSize":154,"bidPrice":29.61,"bidSize":41,"shortable":3,"etf":0,"ttmEps":2.546169,"tradingStatus":1,"nextMarketStatus":{"tag":"Open","tradingStatus":2,"beginTime":1789738200000},"marketStatusCode":1,"adr":0,"adrRate":0,"listingDate":708667200000,"exchange":"NASDAQ","adjPreClose":29.945,"dividendRate":0.049113,"preHourTrading":{"tag":"盘前","latestPrice":29.94,"preClose":29.945,"latestTime":"08:51 EDT","volume":1016,"amount":30395.181271999998,"timestamp":1789735884449,"change":-0.005,"changeRate":-0.000167,"amplitude":0.030723},"postHourTrading":{"tag":"盘后","latestPrice":29.945,"preClose":29.945,"latestTime":"19:30 EDT","volume":135666,"amount":4065078.4062,"timestamp":1789687804125,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":0.7720493000222888,"impliedVol":0.4132,"impliedVolPercentile":0.612},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"COLB\",,,,,undefined,":{"symbol":"COLB","floatShares":280000000,"roa":"1.21%","roe":"11.03%","lyrEps":2.31071,"volumeRatio":0.7720493000222888,"shares":283000000,"dividePrice":1.4707,"high":30.33,"amplitude":0.01716,"preClose":29.72,"low":29.82,"week52Low":23.825,"pbRate":"1.12","psRate":"3.38","week52High":33.675,"institutionHeld":0.8982,"latestPrice":29.945,"committee":-0.579487,"eps":2.546169,"divideRate":0.049113,"volume":2194787,"delay":0,"ttmEps":2.546169,"open":30.1,"prevYearClose":27.95,"prevWeekClose":30.11,"prevMonthClose":29.64,"prevQuarterClose":32.05,"fiveDayClose":30.04,"twentyDayClose":31.07,"sixtyDayClose":31.27,"dividendPayoutRate":0.6286556870144446,"dividendFrequency":"Q","dividendGrowthYears":5,"dividendGrowthRate":0.006944444444444451,"fiveYearAvgDividendRate":0.04130054713535477},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/COLB\",params:#limit:5,,,undefined,":[{"date":"2026-08-28","symbol":"COLB","amount":0.37,"announcedDate":"2026-08-14","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-08-28","defaultRemindTime":1787923800000,"name":"哥伦比亚银行系统","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-09-14","payableDate":"2026-08-28","currency":"USD","dateTimestamp":1787889600000,"payDate":"2026-09-14"},{"market":"US","date":"2026-07-23","symbol":"COLB","fiscalQuarterEnding":"2026/06","expectedEps":0.73,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1784779200000,"reportTimeType":"post","actualEps":0.76},{"date":"2026-05-29","symbol":"COLB","amount":0.37,"announcedDate":"2026-05-15","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-05-29","defaultRemindTime":1780061400000,"name":"哥伦比亚银行系统","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-06-15","payableDate":"2026-05-29","currency":"USD","dateTimestamp":1780027200000,"payDate":"2026-06-15"},{"market":"US","date":"2026-04-23","symbol":"COLB","fiscalQuarterEnding":"2026/03","expectedEps":0.68,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1776916800000,"reportTimeType":"post","actualEps":0.72},{"date":"2026-02-27","symbol":"COLB","amount":0.37,"announcedDate":null,"type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-02-27","defaultRemindTime":1772202600000,"name":"哥伦比亚银行系统","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-03-16","payableDate":"2026-02-27","currency":"USD","dateTimestamp":1772168400000,"payDate":"2026-03-16"}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"COLB\",market:\"US\",,,undefined,":[{"executeDate":"2016-09-28","recordDate":"2016-09-30","paymentDate":"2016-10-17","value":0.16,"currency":"USD"},{"executeDate":"2016-12-28","recordDate":"2016-12-30","paymentDate":"2017-01-13","value":0.16,"currency":"USD"},{"executeDate":"2017-02-06","recordDate":"2017-02-08","paymentDate":"2017-02-22","value":0.22,"currency":"USD"},{"executeDate":"2017-05-08","recordDate":"2017-05-10","paymentDate":"2017-05-24","value":0.22,"currency":"USD"},{"executeDate":"2017-08-07","recordDate":"2017-08-09","paymentDate":"2017-08-23","value":0.22,"currency":"USD"}],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"COLB\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.2143,"buy":0.2143,"hold":0.5714,"sell":0,"strongSell":0,"meanLabel":"BUY","meanPercent":0.2143,"analysts":14,"updateTime":1788321600000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/COLB\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"COLB","date":"2026-09-17","current":11.760806,"percent":0.54523,"low":7.662558,"twenty":9.564361,"median":11.411777,"eighty":14.677074,"high":21.344813,"avg":12.187822,"sd":2.893528,"marketCap":8407855404},"quantilePoints":[{"date":"2021-09-24","current":8.854144,"twenty":6.010003,"median":12.109634,"eighty":22.892445,"marketCap":4422476711},{"date":"2021-10-01","current":9.078913,"twenty":6.010003,"median":12.082114,"eighty":22.892445,"marketCap":4534744661},{"date":"2021-10-08","current":9.277239,"twenty":6.010003,"median":11.991186,"eighty":22.892445,"marketCap":4633804617},{"date":"2021-10-15","current":8.95144,"twenty":6.010003,"median":11.954635,"eighty":22.892445,"marketCap":4471074013},{"date":"2021-10-22","current":9.429149,"twenty":6.010003,"median":11.897978,"eighty":22.892445,"marketCap":4551224081},{"date":"2021-10-29","current":9.177825,"twenty":6.010003,"median":11.841321,"eighty":22.892445,"marketCap":4429915871},{"date":"2021-11-05","current":9.837551,"twenty":6.010003,"median":11.784664,"eighty":22.892445,"marketCap":4748349921},{"date":"2021-11-12","current":9.689449,"twenty":6.010003,"median":11.713843,"eighty":22.860751,"marketCap":4676864726},{"date":"2021-11-19","current":9.061139,"twenty":6.010003,"median":11.67135,"eighty":22.529743,"marketCap":4373594202},{"date":"2021-11-26","current":8.576442,"twenty":6.010003,"median":11.621905,"eighty":22.299007,"marketCap":4139642655},{"date":"2021-12-03","current":8.594541,"twenty":6.010003,"median":11.600529,"eighty":22.076511,"marketCap":4148378439},{"date":"2021-12-10","current":8.832405,"twenty":6.010003,"median":11.558036,"eighty":21.85637,"marketCap":4263189958},{"date":"2021-12-17","current":8.262428,"twenty":6.010003,"median":11.543872,"eighty":21.748065,"marketCap":3988075565},{"date":"2021-12-23","current":8.522732,"twenty":6.010003,"median":11.515543,"eighty":21.536165,"marketCap":4113718358},{"date":"2021-12-31","current":8.634933,"twenty":6.010003,"median":11.454958,"eighty":20.944582,"marketCap":4167874735},{"date":"2022-01-07","current":9.173494,"twenty":6.089688,"median":11.393191,"eighty":20.740009,"marketCap":4427825342},{"date":"2022-01-14","current":9.496631,"twenty":6.089688,"median":11.320041,"eighty":20.558063,"marketCap":4583795706},{"date":"2022-01-21","current":9.088222,"twenty":6.089688,"median":11.304235,"eighty":20.481645,"marketCap":4386666496},{"date":"2022-01-28","current":9.038854,"twenty":6.089688,"median":11.263414,"eighty":20.276038,"marketCap":4362837690},{"date":"2022-02-04","current":9.348526,"twenty":6.089688,"median":11.233806,"eighty":20.10794,"marketCap":4512309289},{"date":"2022-02-11","current":9.537023,"twenty":6.089688,"median":11.176575,"eighty":19.988572,"marketCap":4603292002},{"date":"2022-02-18","current":9.563951,"twenty":6.089688,"median":11.093109,"eighty":19.906696,"marketCap":4616289532},{"date":"2022-02-25","current":11.101923,"twenty":6.089688,"median":11.07003,"eighty":19.86503,"marketCap":4666138364},{"date":"2022-03-04","current":10.437045,"twenty":6.089688,"median":11.015574,"eighty":19.750223,"marketCap":4386689966},{"date":"2022-03-11","current":10.751445,"twenty":6.089688,"median":10.936972,"eighty":19.698518,"marketCap":4518832231},{"date":"2022-03-18","current":10.199956,"twenty":6.089688,"median":10.826298,"eighty":19.659217,"marketCap":4287041700},{"date":"2022-03-25","current":10.303038,"twenty":6.089688,"median":10.779184,"eighty":19.493679,"marketCap":4330367033},{"date":"2022-04-01","current":9.462921,"twenty":6.089688,"median":10.690468,"eighty":19.446698,"marketCap":3977265569},{"date":"2022-04-08","current":9.220678,"twenty":6.089688,"median":10.55051,"eighty":19.401626,"marketCap":3875451036},{"date":"2022-04-14","current":9.200062,"twenty":6.089688,"median":10.521942,"eighty":19.351375,"marketCap":3866785970},{"date":"2022-04-22","current":9.894471,"twenty":6.089688,"median":10.502776,"eighty":19.246822,"marketCap":3994595702},{"date":"2022-04-29","current":8.874975,"twenty":6.089688,"median":10.443483,"eighty":19.188924,"marketCap":3583005039},{"date":"2022-05-06","current":9.23087,"twenty":6.089688,"median":10.418736,"eighty":19.155332,"marketCap":3726686825},{"date":"2022-05-13","current":8.97819,"twenty":6.089688,"median":10.371619,"eighty":19.108944,"marketCap":3624675013},{"date":"2022-05-20","current":9.09109,"twenty":6.089688,"median":10.357171,"eighty":19.083904,"marketCap":3670254759},{"date":"2022-05-27","current":9.55344,"twenty":6.089688,"median":10.337687,"eighty":19.008168,"marketCap":3856914670},{"date":"2022-06-03","current":9.505054,"twenty":6.089688,"median":10.305694,"eighty":18.956981,"marketCap":3837380493},{"date":"2022-06-10","current":8.897548,"twenty":6.089688,"median":10.289994,"eighty":18.821014,"marketCap":3592118052},{"date":"2022-06-17","current":8.639492,"twenty":6.089688,"median":10.247195,"eighty":18.688246,"marketCap":3487935776},{"date":"2022-06-24","current":9.306136,"twenty":6.010003,"median":10.230121,"eighty":18.601867,"marketCap":3757073322},{"date":"2022-07-01","current":9.381403,"twenty":6.010003,"median":10.205111,"eighty":18.390719,"marketCap":3787459819},{"date":"2022-07-08","current":9.327641,"twenty":6.010003,"median":10.179881,"eighty":18.200365,"marketCap":3765755178},{"date":"2022-07-15","current":9.177108,"twenty":6.010003,"median":10.148691,"eighty":18.020072,"marketCap":3704982184},{"date":"2022-07-22","current":10.248663,"twenty":6.010003,"median":10.13644,"eighty":17.202146,"marketCap":3752732394},{"date":"2022-07-29","current":10.438549,"twenty":6.010003,"median":10.13644,"eighty":17.005234,"marketCap":3822262527},{"date":"2022-08-05","current":10.497825,"twenty":6.010003,"median":10.13644,"eighty":16.896693,"marketCap":3843967595},{"date":"2022-08-12","current":11.262489,"twenty":6.010003,"median":10.13644,"eighty":16.795901,"marketCap":4123962977},{"date":"2022-08-19","current":11.268416,"twenty":6.010003,"median":10.13644,"eighty":16.721477,"marketCap":4126133483},{"date":"2022-08-26","current":10.841627,"twenty":6.010003,"median":10.13644,"eighty":16.676504,"marketCap":3969856992},{"date":"2022-09-02","current":10.308141,"twenty":6.010003,"median":10.13644,"eighty":16.640847,"marketCap":3774511377},{"date":"2022-09-09","current":10.782351,"twenty":6.010003,"median":10.135921,"eighty":16.591229,"marketCap":3948151923},{"date":"2022-09-16","current":10.491897,"twenty":6.010003,"median":10.135921,"eighty":16.5261,"marketCap":3841797089},{"date":"2022-09-23","current":10.408911,"twenty":6.010003,"median":10.135921,"eighty":16.437721,"marketCap":3811409993},{"date":"2022-09-30","current":10.130312,"twenty":6.010003,"median":10.130312,"eighty":16.209785,"marketCap":3709396172},{"date":"2022-10-07","current":10.177733,"twenty":6.010003,"median":10.130312,"eighty":15.964793,"marketCap":3726760227},{"date":"2022-10-14","current":10.3852,"twenty":6.010003,"median":10.130312,"eighty":15.054601,"marketCap":3802727966},{"date":"2022-10-21","current":11.666515,"twenty":6.010003,"median":10.130312,"eighty":13.96586,"marketCap":3991604670},{"date":"2022-10-28","current":12.643482,"twenty":6.010003,"median":10.130312,"eighty":13.866781,"marketCap":4325866290},{"date":"2022-11-04","current":12.840164,"twenty":6.010003,"median":10.130312,"eighty":13.754963,"marketCap":4393159237},{"date":"2022-11-11","current":13.151017,"twenty":6.010003,"median":10.130312,"eighty":13.616253,"marketCap":4499515365},{"date":"2022-11-18","current":12.8021,"twenty":6.010003,"median":10.130312,"eighty":13.559561,"marketCap":4380136037},{"date":"2022-11-25","current":12.846508,"twenty":6.010003,"median":10.130312,"eighty":13.400985,"marketCap":4395329770},{"date":"2022-12-02","current":12.751348,"twenty":6.010003,"median":10.130312,"eighty":13.178536,"marketCap":4362771772},{"date":"2022-12-09","current":11.590405,"twenty":6.010003,"median":10.130312,"eighty":12.919574,"marketCap":3965564192},{"date":"2022-12-16","current":11.095576,"twenty":6.010003,"median":10.130312,"eighty":12.84204,"marketCap":3796262601},{"date":"2022-12-23","current":11.108264,"twenty":6.010003,"median":10.130312,"eighty":12.79195,"marketCap":3800603668},{"date":"2022-12-30","current":11.323958,"twenty":6.010003,"median":10.130312,"eighty":12.748004,"marketCap":3874401797},{"date":"2023-01-06","current":11.013105,"twenty":6.010003,"median":10.130312,"eighty":12.708978,"marketCap":3768045669},{"date":"2023-01-13","current":10.994073,"twenty":6.010003,"median":10.130312,"eighty":12.678843,"marketCap":3761534070},{"date":"2023-01-20","current":10.632467,"twenty":6.010003,"median":10.130312,"eighty":12.653583,"marketCap":3637813676},{"date":"2023-01-27","current":11.421417,"twenty":6.010003,"median":10.130312,"eighty":12.634657,"marketCap":3846184865},{"date":"2023-02-03","current":12.491369,"twenty":6.010003,"median":10.130312,"eighty":12.604168,"marketCap":4206493380},{"date":"2023-02-10","current":12.214212,"twenty":6.010003,"median":10.130312,"eighty":12.577431,"marketCap":4113160451},{"date":"2023-02-17","current":12.098193,"twenty":6.010003,"median":10.130312,"eighty":12.537659,"marketCap":4074090853},{"date":"2023-02-24","current":11.685762,"twenty":6.010003,"median":10.130312,"eighty":12.496077,"marketCap":3935203650},{"date":"2023-03-03","current":17.80557,"twenty":6.010003,"median":10.130312,"eighty":12.479876,"marketCap":5996061400},{"date":"2023-03-10","current":14.840043,"twenty":6.010003,"median":10.130312,"eighty":12.479876,"marketCap":4997414240},{"date":"2023-03-17","current":13.475156,"twenty":6.010003,"median":10.130312,"eighty":12.479876,"marketCap":4537785840},{"date":"2023-03-24","current":12.730673,"twenty":6.010003,"median":10.130312,"eighty":12.479876,"marketCap":4287079440},{"date":"2023-03-31","current":13.289035,"twenty":6.089688,"median":10.133116,"eighty":12.491665,"marketCap":4475109240},{"date":"2023-04-05","current":7.662558,"twenty":6.089688,"median":10.130294,"eighty":12.476045,"marketCap":2580381820},{"date":"2023-04-14","current":13.796678,"twenty":4.352537,"median":10.113189,"eighty":12.455153,"marketCap":4646058991},{"date":"2023-04-21","current":13.592421,"twenty":4.352537,"median":10.113189,"eighty":12.455153,"marketCap":4577274807},{"date":"2023-04-28","current":19.397578,"twenty":2.934126,"median":10.106317,"eighty":12.435343,"marketCap":4491644950},{"date":"2023-05-04","current":17.048266,"twenty":1.515714,"median":10.099446,"eighty":12.428316,"marketCap":3947645260},{"date":"2023-05-12","current":16.607207,"twenty":0.097303,"median":10.098844,"eighty":12.426968,"marketCap":3845515050},{"date":"2023-05-19","current":18.992524,"twenty":0.097303,"median":10.098844,"eighty":12.426968,"marketCap":4397851900},{"date":"2023-05-26","current":18.779115,"twenty":-1.321108,"median":10.098241,"eighty":12.424309,"marketCap":4348435444},{"date":"2023-06-02","current":18.419017,"twenty":-1.321108,"median":10.098241,"eighty":12.424309,"marketCap":4265052214},{"date":"2023-06-09","current":20.930701,"twenty":-1.321108,"median":10.098241,"eighty":12.424309,"marketCap":4846650243},{"date":"2023-06-16","current":20.723644,"twenty":-1.321108,"median":10.098241,"eighty":12.424309,"marketCap":4798704886},{"date":"2023-06-23","current":18.878142,"twenty":-1.32419,"median":10.094981,"eighty":12.421047,"marketCap":4371365832},{"date":"2023-06-30","current":18.28398,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4233783503},{"date":"2023-07-07","current":17.968894,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4160823177},{"date":"2023-07-14","current":20.237512,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4686137526},{"date":"2023-07-21","current":15.969352,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4572712020},{"date":"2023-07-28","current":15.881968,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4547690340},{"date":"2023-08-04","current":15.92566,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4560201180},{"date":"2023-08-11","current":15.726049,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4503044176},{"date":"2023-08-18","current":14.23284,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4075473979},{"date":"2023-08-25","current":14.378519,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4117188144},{"date":"2023-09-01","current":14.917531,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4271530557},{"date":"2023-09-08","current":14.407654,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4125530977},{"date":"2023-09-15","current":15.172469,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4344530347},{"date":"2023-09-22","current":14.327531,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4102588186},{"date":"2023-09-29","current":14.298395,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4094245353},{"date":"2023-10-06","current":14.152716,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4052531188},{"date":"2023-10-13","current":14.604321,"twenty":-1.327272,"median":10.09172,"eighty":12.418499,"marketCap":4181845101},{"date":"2023-10-20","current":12.24996,"twenty":-1.327272,"median":10.09172,"eighty":12.411616,"marketCap":4142299500},{"date":"2023-10-27","current":12.206783,"twenty":-1.336519,"median":10.081073,"eighty":12.360467,"marketCap":4127699250},{"date":"2023-11-03","current":12.854439,"twenty":-1.336519,"median":10.081073,"eighty":12.340737,"marketCap":4346703000},{"date":"2023-11-10","current":12.515238,"twenty":-1.336519,"median":10.081073,"eighty":12.340737,"marketCap":4232002697},{"date":"2023-11-17","current":13.872238,"twenty":-1.336519,"median":10.081073,"eighty":12.340737,"marketCap":4690869427},{"date":"2023-11-24","current":13.563829,"twenty":-1.336519,"median":10.081073,"eighty":12.340737,"marketCap":4586581534},{"date":"2023-11-30","current":13.773547,"twenty":-1.336519,"median":10.081073,"eighty":12.340737,"marketCap":4657497301},{"date":"2023-12-08","current":15.031856,"twenty":-1.339321,"median":10.076258,"eighty":12.339799,"marketCap":5082991904},{"date":"2023-12-15","current":17.172214,"twenty":-1.342123,"median":10.070683,"eighty":12.341505,"marketCap":5806749882},{"date":"2023-12-21","current":16.228483,"twenty":-1.344925,"median":10.065108,"eighty":12.360467,"marketCap":5487628929},{"date":"2023-12-29","current":16.721937,"twenty":-1.350529,"median":10.028586,"eighty":12.41038,"marketCap":5654489558},{"date":"2024-01-05","current":15.833719,"twenty":-1.356448,"median":10.028106,"eighty":12.424974,"marketCap":5354140426},{"date":"2024-01-12","current":15.630169,"twenty":-1.356448,"median":10.028106,"eighty":12.427861,"marketCap":5285310417},{"date":"2024-01-19","current":15.167556,"twenty":-1.362368,"median":10.027625,"eighty":12.425639,"marketCap":5128878577},{"date":"2024-01-26","current":12.447938,"twenty":-1.356448,"median":10.028106,"eighty":12.445749,"marketCap":4209245300},{"date":"2024-02-02","current":11.550339,"twenty":-1.356448,"median":10.028106,"eighty":12.455153,"marketCap":4027776350},{"date":"2024-02-09","current":11.233317,"twenty":-1.356448,"median":10.028106,"eighty":12.44889,"marketCap":3917226300},{"date":"2024-02-16","current":11.370893,"twenty":-1.356448,"median":10.028106,"eighty":12.432604,"marketCap":3965200850},{"date":"2024-02-23","current":10.826573,"twenty":-1.356448,"median":10.028106,"eighty":12.363038,"marketCap":3775388500},{"date":"2024-03-01","current":10.828683,"twenty":-1.350529,"median":10.028586,"eighty":12.339564,"marketCap":3776124246},{"date":"2024-03-08","current":11.702157,"twenty":-1.350529,"median":10.028586,"eighty":12.293089,"marketCap":4080717694},{"date":"2024-03-15","current":11.04406,"twenty":-1.350529,"median":10.028586,"eighty":12.24996,"marketCap":3851229480},{"date":"2024-03-22","current":11.17568,"twenty":-1.350529,"median":10.028586,"eighty":12.24644,"marketCap":3897127123},{"date":"2024-03-28","current":11.464496,"twenty":-1.350529,"median":10.028586,"eighty":12.24644,"marketCap":3997841799},{"date":"2024-04-05","current":11.038329,"twenty":-1.356448,"median":10.028106,"eighty":12.247144,"marketCap":3849230926},{"date":"2024-04-12","current":10.756218,"twenty":-1.356448,"median":10.028106,"eighty":12.247144,"marketCap":3750854714},{"date":"2024-04-19","current":10.648176,"twenty":-1.356448,"median":10.028106,"eighty":12.207088,"marketCap":3713178718},{"date":"2024-04-26","current":8.175542,"twenty":-1.350529,"median":10.027625,"eighty":12.206783,"marketCap":3980123700},{"date":"2024-05-03","current":8.49379,"twenty":-1.350529,"median":9.947406,"eighty":12.156203,"marketCap":4135057500},{"date":"2024-05-10","current":8.627452,"twenty":-1.350529,"median":9.914474,"eighty":12.098193,"marketCap":4200128336},{"date":"2024-05-17","current":8.747875,"twenty":-1.350529,"median":9.878373,"eighty":12.089196,"marketCap":4258754255},{"date":"2024-05-24","current":8.107052,"twenty":-1.350529,"median":9.837551,"eighty":12.077252,"marketCap":3946780615},{"date":"2024-05-31","current":8.141459,"twenty":-1.350529,"median":9.795606,"eighty":12.077252,"marketCap":3963530878},{"date":"2024-06-07","current":8.124256,"twenty":-1.350529,"median":9.766497,"eighty":12.077252,"marketCap":3955155746},{"date":"2024-06-14","current":8.016735,"twenty":-1.356448,"median":9.760269,"eighty":12.079641,"marketCap":3902811176},{"date":"2024-06-21","current":7.947922,"twenty":-1.362368,"median":9.735669,"eighty":12.08203,"marketCap":3869310651},{"date":"2024-06-28","current":8.205971,"twenty":-1.380126,"median":9.729684,"eighty":12.089196,"marketCap":3994937620},{"date":"2024-07-05","current":8.412411,"twenty":-1.380126,"median":9.717474,"eighty":12.089196,"marketCap":4095439195},{"date":"2024-07-12","current":9.259673,"twenty":-1.380126,"median":9.697557,"eighty":12.077252,"marketCap":4507914411},{"date":"2024-07-15","current":9.220966,"twenty":-1.380126,"median":9.69252,"eighty":12.077252,"marketCap":4489070366},{"date":"2024-08-02","current":10.955024,"twenty":-1.387795,"median":9.667175,"eighty":12.122896,"marketCap":5188299430},{"date":"2024-08-09","current":10.376755,"twenty":-1.387795,"median":9.667175,"eighty":12.122896,"marketCap":4914431321},{"date":"2024-08-16","current":10.443103,"twenty":-1.387795,"median":9.669179,"eighty":12.122896,"marketCap":4945853516},{"date":"2024-08-23","current":10.474065,"twenty":-1.387795,"median":9.677091,"eighty":12.122896,"marketCap":4960517207},{"date":"2024-08-30","current":11.057923,"twenty":-1.387795,"median":9.699522,"eighty":12.122896,"marketCap":5237032525},{"date":"2024-09-06","current":10.726186,"twenty":-1.387795,"median":9.714693,"eighty":12.122896,"marketCap":5079921549},{"date":"2024-09-13","current":10.416564,"twenty":-1.387795,"median":9.714693,"eighty":12.122896,"marketCap":4933284638},{"date":"2024-09-20","current":11.624089,"twenty":-1.387795,"median":9.714693,"eighty":12.122896,"marketCap":5505168590},{"date":"2024-09-27","current":11.486971,"twenty":-1.387795,"median":9.714693,"eighty":12.122896,"marketCap":5440229386},{"date":"2024-10-04","current":11.208311,"twenty":-1.387795,"median":9.714693,"eighty":12.122896,"marketCap":5308256167},{"date":"2024-10-11","current":11.478124,"twenty":-1.387795,"median":9.729864,"eighty":12.122896,"marketCap":5436039760},{"date":"2024-10-18","current":12.278718,"twenty":-1.387795,"median":9.734329,"eighty":12.156203,"marketCap":5815200915},{"date":"2024-10-25","current":12.507326,"twenty":-1.387795,"median":9.734329,"eighty":12.182125,"marketCap":5923469640},{"date":"2024-10-31","current":12.629843,"twenty":-1.387795,"median":9.734329,"eighty":12.214212,"marketCap":6112048440},{"date":"2024-11-08","current":13.17534,"twenty":-1.389476,"median":9.732097,"eighty":12.249519,"marketCap":6376034629},{"date":"2024-11-15","current":13.474091,"twenty":-1.389476,"median":9.732097,"eighty":12.33966,"marketCap":6520611161},{"date":"2024-11-22","current":13.279254,"twenty":-1.389476,"median":9.732097,"eighty":12.451744,"marketCap":6426322118},{"date":"2024-11-29","current":13.422567,"twenty":-1.389476,"median":9.732097,"eighty":12.499395,"marketCap":6495676948},{"date":"2024-12-06","current":13.054108,"twenty":-1.389476,"median":9.732097,"eighty":12.564162,"marketCap":6317365891},{"date":"2024-12-13","current":12.815973,"twenty":-1.389476,"median":9.732097,"eighty":12.629277,"marketCap":6202123727},{"date":"2024-12-20","current":11.430463,"twenty":-1.389476,"median":9.732097,"eighty":12.637157,"marketCap":5531623864},{"date":"2024-12-27","current":11.906732,"twenty":-1.389476,"median":9.732097,"eighty":12.637157,"marketCap":5762108192},{"date":"2025-01-03","current":11.62963,"twenty":-1.389476,"median":9.732097,"eighty":12.637157,"marketCap":5628008220},{"date":"2025-01-10","current":11.759522,"twenty":-1.391157,"median":9.729864,"eighty":12.637157,"marketCap":5690867582},{"date":"2025-01-17","current":12.183834,"twenty":-1.391157,"median":9.729864,"eighty":12.637157,"marketCap":5896208164},{"date":"2025-01-24","current":11.052491,"twenty":-1.391157,"median":9.729864,"eighty":12.637157,"marketCap":5898438400},{"date":"2025-01-31","current":11.005376,"twenty":-1.391157,"median":9.729864,"eighty":12.637157,"marketCap":5873294080},{"date":"2025-02-07","current":11.20169,"twenty":-1.391157,"median":9.729864,"eighty":12.637157,"marketCap":5978062080},{"date":"2025-02-14","current":10.785504,"twenty":-1.391157,"median":9.729864,"eighty":12.637157,"marketCap":5755953920},{"date":"2025-02-21","current":10.616674,"twenty":-1.391157,"median":9.729864,"eighty":12.637157,"marketCap":5665853440},{"date":"2025-02-28","current":10.47705,"twenty":-1.391157,"median":9.729864,"eighty":12.637157,"marketCap":5591339630},{"date":"2025-03-07","current":9.809221,"twenty":-1.3962,"median":9.760731,"eighty":12.637446,"marketCap":5234936279},{"date":"2025-03-14","current":9.404596,"twenty":-1.3962,"median":9.763583,"eighty":12.637446,"marketCap":5018997778},{"date":"2025-03-21","current":9.671727,"twenty":-1.3962,"median":9.772559,"eighty":12.637446,"marketCap":5161559118},{"date":"2025-03-28","current":9.946716,"twenty":-1.3962,"median":9.803392,"eighty":12.637446,"marketCap":5308313439},{"date":"2025-04-04","current":8.571775,"twenty":-1.3962,"median":9.80767,"eighty":12.637446,"marketCap":4574541834},{"date":"2025-04-11","current":8.135722,"twenty":-1.391157,"median":9.806119,"eighty":12.637157,"marketCap":4341831411},{"date":"2025-04-17","current":8.622844,"twenty":-1.391157,"median":9.806119,"eighty":12.637157,"marketCap":4601796208},{"date":"2025-04-25","current":9.874592,"twenty":-1.380396,"median":9.822971,"eighty":12.637446,"marketCap":4899811840},{"date":"2025-05-02","current":9.738867,"twenty":7.818596,"median":9.822971,"eighty":12.637446,"marketCap":4832464894},{"date":"2025-05-09","current":10.188006,"twenty":8.013267,"median":9.87137,"eighty":12.637446,"marketCap":5055329191},{"date":"2025-05-16","current":10.645513,"twenty":8.064077,"median":9.915935,"eighty":12.637446,"marketCap":5282346053},{"date":"2025-05-23","current":10.022795,"twenty":8.096086,"median":9.954961,"eighty":12.637446,"marketCap":4973350880},{"date":"2025-05-30","current":10.107518,"twenty":8.133429,"median":10.014269,"eighty":12.637446,"marketCap":5015391040},{"date":"2025-06-06","current":9.738971,"twenty":8.163221,"median":10.014269,"eighty":12.637446,"marketCap":4832516346},{"date":"2025-06-13","current":9.904182,"twenty":8.221446,"median":10.027031,"eighty":12.637446,"marketCap":4914494657},{"date":"2025-06-20","current":9.442439,"twenty":8.250067,"median":10.031267,"eighty":12.637735,"marketCap":4685375787},{"date":"2025-06-27","current":9.971961,"twenty":8.322135,"median":10.031267,"eighty":12.637735,"marketCap":4948126784},{"date":"2025-07-03","current":10.823432,"twenty":8.373547,"median":10.044926,"eighty":12.637735,"marketCap":5370630388},{"date":"2025-07-11","current":10.666694,"twenty":8.413748,"median":10.09172,"eighty":12.637735,"marketCap":5292856093},{"date":"2025-07-18","current":10.315091,"twenty":8.433293,"median":10.132935,"eighty":12.637735,"marketCap":5118389431},{"date":"2025-07-25","current":9.287855,"twenty":8.461042,"median":10.171061,"eighty":12.637735,"marketCap":4908473550},{"date":"2025-08-01","current":9.46685,"twenty":8.502446,"median":10.171061,"eighty":12.637735,"marketCap":5003069400},{"date":"2025-08-08","current":9.411141,"twenty":8.55164,"median":10.171061,"eighty":12.637735,"marketCap":4973628275},{"date":"2025-08-15","current":10.401997,"twenty":8.570134,"median":10.188006,"eighty":12.637735,"marketCap":5497278778},{"date":"2025-08-22","current":10.075691,"twenty":8.589083,"median":10.20303,"eighty":12.637735,"marketCap":5324831625},{"date":"2025-08-29","current":10.784014,"twenty":8.630033,"median":10.230367,"eighty":12.637735,"marketCap":5699168129},{"date":"2025-09-05","current":10.652696,"twenty":8.640734,"median":10.246361,"eighty":12.638024,"marketCap":5629768665},{"date":"2025-09-12","current":10.461687,"twenty":8.654006,"median":10.255785,"eighty":12.637735,"marketCap":5528823990},{"date":"2025-09-19","current":10.708407,"twenty":8.674962,"median":10.273929,"eighty":12.637735,"marketCap":5659210862},{"date":"2025-09-26","current":14.605235,"twenty":8.694189,"median":10.303038,"eighty":12.706914,"marketCap":7718618379},{"date":"2025-10-03","current":14.678827,"twenty":8.706717,"median":10.319254,"eighty":12.740428,"marketCap":7757510642},{"date":"2025-10-10","current":14.525982,"twenty":8.731827,"median":10.337908,"eighty":12.784566,"marketCap":7676734403},{"date":"2025-10-17","current":13.625892,"twenty":8.743436,"median":10.364888,"eighty":12.811456,"marketCap":7201052107},{"date":"2025-10-24","current":14.146698,"twenty":8.765633,"median":10.376755,"eighty":12.866153,"marketCap":7476289662},{"date":"2025-10-31","current":14.728582,"twenty":8.78309,"median":10.395812,"eighty":12.982731,"marketCap":7783804940},{"date":"2025-11-07","current":16.509691,"twenty":8.821634,"median":10.408911,"eighty":13.035911,"marketCap":7902776185},{"date":"2025-11-14","current":16.790893,"twenty":8.854504,"median":10.432416,"eighty":13.076623,"marketCap":8037380625},{"date":"2025-11-21","current":16.390961,"twenty":8.897949,"median":10.438549,"eighty":13.184,"marketCap":7845943200},{"date":"2025-11-28","current":17.322052,"twenty":8.913676,"median":10.450198,"eighty":13.227297,"marketCap":8291633454},{"date":"2025-12-05","current":17.671993,"twenty":8.934663,"median":10.474065,"eighty":13.289035,"marketCap":8459141201},{"date":"2025-12-12","current":18.284389,"twenty":8.956686,"median":10.491897,"eighty":13.360707,"marketCap":8752279757},{"date":"2025-12-19","current":18.034431,"twenty":8.967176,"median":10.515608,"eighty":13.422203,"marketCap":8632631367},{"date":"2025-12-26","current":17.884457,"twenty":8.977898,"median":10.529819,"eighty":13.474517,"marketCap":8560842333},{"date":"2026-01-02","current":17.465778,"twenty":9.014196,"median":10.556981,"eighty":13.572963,"marketCap":8360431279},{"date":"2026-01-09","current":18.346878,"twenty":9.03576,"median":10.568748,"eighty":13.662866,"marketCap":8782191855},{"date":"2026-01-16","current":18.27814,"twenty":9.061284,"median":10.598915,"eighty":13.758225,"marketCap":8749288548},{"date":"2026-01-23","current":16.136217,"twenty":9.079019,"median":10.620096,"eighty":13.779359,"marketCap":8874919357},{"date":"2026-01-30","current":15.598282,"twenty":9.095256,"median":10.632467,"eighty":13.884574,"marketCap":8579054880},{"date":"2026-02-06","current":16.77997,"twenty":9.104724,"median":10.651499,"eighty":14.105036,"marketCap":9228983280},{"date":"2026-02-13","current":16.785341,"twenty":9.128679,"median":10.666694,"eighty":14.16437,"marketCap":9231937500},{"date":"2026-02-20","current":16.753113,"twenty":9.150724,"median":10.691081,"eighty":14.264889,"marketCap":9214212180},{"date":"2026-02-27","current":16.425463,"twenty":9.164643,"median":10.708407,"eighty":14.323161,"marketCap":9034004760},{"date":"2026-03-06","current":15.046217,"twenty":9.180612,"median":10.721763,"eighty":14.387259,"marketCap":8275419236},{"date":"2026-03-13","current":14.19718,"twenty":9.199482,"median":10.734462,"eighty":14.436553,"marketCap":7808449150},{"date":"2026-03-20","current":14.191807,"twenty":9.215211,"median":10.756159,"eighty":14.436553,"marketCap":7805493643},{"date":"2026-03-27","current":14.75604,"twenty":9.224644,"median":10.776423,"eighty":14.464469,"marketCap":8115821865},{"date":"2026-04-02","current":15.003228,"twenty":9.253389,"median":10.785504,"eighty":14.479963,"marketCap":8251775181},{"date":"2026-04-10","current":15.591124,"twenty":9.275826,"median":10.823432,"eighty":14.53504,"marketCap":8575118233},{"date":"2026-04-17","current":15.274767,"twenty":9.287785,"median":10.848325,"eighty":14.580601,"marketCap":8401121921},{"date":"2026-04-24","current":13.106205,"twenty":9.299652,"median":10.865338,"eighty":14.619719,"marketCap":8584564500},{"date":"2026-05-01","current":13.084104,"twenty":9.299652,"median":10.911145,"eighty":14.619719,"marketCap":8570088000},{"date":"2026-05-08","current":13.064634,"twenty":9.299652,"median":10.936372,"eighty":14.619719,"marketCap":8557335218},{"date":"2026-05-15","current":12.870167,"twenty":9.299652,"median":10.954334,"eighty":14.619719,"marketCap":8429959457},{"date":"2026-05-22","current":13.091152,"twenty":9.299652,"median":10.981385,"eighty":14.619719,"marketCap":8574704640},{"date":"2026-05-29","current":13.099992,"twenty":9.30291,"median":10.990263,"eighty":14.620133,"marketCap":8580494448},{"date":"2026-06-05","current":13.038116,"twenty":9.303986,"median":11.004845,"eighty":14.619719,"marketCap":8539965797},{"date":"2026-06-12","current":13.621516,"twenty":9.303986,"median":11.020322,"eighty":14.619719,"marketCap":8922093080},{"date":"2026-06-18","current":13.281199,"twenty":9.309362,"median":11.044639,"eighty":14.619719,"marketCap":8699185498},{"date":"2026-06-26","current":14.173979,"twenty":9.320289,"median":11.062844,"eighty":14.620133,"marketCap":9283956037},{"date":"2026-07-02","current":14.368445,"twenty":9.325548,"median":11.09674,"eighty":14.620133,"marketCap":9411331798},{"date":"2026-07-10","current":14.063486,"twenty":9.352116,"median":11.115023,"eighty":14.620133,"marketCap":9211583446},{"date":"2026-07-17","current":14.854613,"twenty":9.381403,"median":11.13559,"eighty":14.650422,"marketCap":9729771201},{"date":"2026-07-24","current":13.134964,"twenty":9.407214,"median":11.162499,"eighty":14.675321,"marketCap":9338959207},{"date":"2026-07-31","current":12.430424,"twenty":9.425688,"median":11.20169,"eighty":14.677074,"marketCap":8838031250},{"date":"2026-08-07","current":12.346635,"twenty":9.450265,"median":11.233317,"eighty":14.677074,"marketCap":8778457376},{"date":"2026-08-14","current":12.907665,"twenty":9.480237,"median":11.268416,"eighty":14.677074,"marketCap":9177349573},{"date":"2026-08-21","current":12.271035,"twenty":9.496631,"median":11.301198,"eighty":14.677074,"marketCap":8724705945},{"date":"2026-08-28","current":12.211351,"twenty":9.505054,"median":11.317615,"eighty":14.677074,"marketCap":8682270604},{"date":"2026-09-04","current":12.115857,"twenty":9.524351,"median":11.349317,"eighty":14.677074,"marketCap":8614374060},{"date":"2026-09-11","current":11.95272,"twenty":9.555709,"median":11.369853,"eighty":14.677074,"marketCap":8498384130},{"date":"2026-09-17","current":11.825394,"twenty":9.564361,"median":11.411777,"eighty":14.677074,"marketCap":8407855404}],"updateTime":1789736904719},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"COLB\",pageSize:20,pageCount:4,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"19326436","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734325000133-COLB","pdf_url":"","pub_time":1743393600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"COLB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000133/0000887343-25-000133-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"PRESS RELEASE ANNOUNCING QUARTERLY EARNINGS CONFERENCE CALL","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000133/colbex991q12025earningscal.htm","primary":true,"translateUrl":"","linkName":"colbex991q12025earningscal.htm","type":"EX-99.1","id":"NTFILEGXCpd5hfsuLpmZqX","market":"us","size":6862},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000133/colb-20250331.htm","primary":false,"translateUrl":"","linkName":"colb-20250331.htm","type":"8-K","id":"NTFILEGwBXAgHTXvDCD5GF","market":"us","size":24104},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000133/image.jpg","primary":false,"translateUrl":"","linkName":"image.jpg","type":"GRAPHIC","id":"NTFILE5kYMJyVFQX3uKaQa","market":"us","size":9654}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-03-31 12:00","pubTimestamp":1743393600,"title_zh":"Form 8-K - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19300516","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734325000130-COLB","pdf_url":"","pub_time":1743048000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"COLB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000130/0000887343-25-000130-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000130/colb-20250327.htm","primary":true,"translateUrl":"","linkName":"colb-20250327.htm","type":"8-K","id":"NTFILExkf6eFchuFQjNhNX","market":"us","size":20772}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-03-27 12:00","pubTimestamp":1743048000,"title_zh":"Form 8-K - Current report","summary_en":"Item 7.01: Regulation FD Disclosure","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19196894","market":"us","labels":[],"media":"sec.gov","original_id":"AN195917325001605-COLB","pdf_url":"","pub_time":1741064400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"COLB","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000195917325001605/0001959173-25-001605-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000195917325001605/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEFJzxH9aszhKX3Boo","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2025-03-04 13:00","pubTimestamp":1741064400,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19165662","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734325000054-COLB","pdf_url":"","pub_time":1740459600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"COLB","title":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/0000887343-25-000054-index.htm","us_notice_code":"Form 10-K","us_title_en":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231.htm","primary":true,"translateUrl":"","linkName":"colb-20241231.htm","type":"10-K","id":"NTFILE3ZMTvPThhGou6CYy","market":"us","size":6142233},{"description":"AMENDED AND RESTATED BYLAWS OF COLUMBIA BANKING SYSTEM, INC.","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex32arbylaws.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex32arbylaws.htm","type":"EX-3.2","id":"NTFILE2HEGdS1mfDtomQdM","market":"us","size":197238},{"description":"FORM OF PARTICIPATION AGREEMENT","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex1081partic.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex1081partic.htm","type":"EX-10.81","id":"NTFILE65GCHr8aD5biNCpr","market":"us","size":30533},{"description":"FORM OF FIRST AMENDMENT TO THE FIRST AMENDED AND RESTATED SPLIT DOLLAR AGRMT","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex1082ammtch.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex1082ammtch.htm","type":"EX-10.82","id":"NTFILEEDSWYsDXy4QMTX5d","market":"us","size":19875},{"description":"FIRST AMENDMENT TO THE FIRST AMENDED AND RESTATED SPLIT DOLLAR AGRMT - DEER","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex1083deeram.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex1083deeram.htm","type":"EX-10.83","id":"NTFILED9ZxFmJY55ZYfUds","market":"us","size":20851},{"description":"FIRST AMENDMENT TO THE FIRST AMENDED AND RESTATED SPLIT DOLLAR AGRMT- MERRYWELL","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex1084merryw.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex1084merryw.htm","type":"EX-10.84","id":"NTFILEB3qSdyVQDtENULT4","market":"us","size":20266},{"description":"FIRST AMENDMENT TO THE FIRST AMENDED AND RESTATED SPLIT DOLLAR AGRMT - DEVINE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex1085moored.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex1085moored.htm","type":"EX-10.85","id":"NTFILE3XS2iC7SF5N3Zn1D","market":"us","size":20355},{"description":"FIRST AMENDMENT TO THE UMPQUA BANK SPLIT DOLLAR AGREEMENT - BARUFFI","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex1086baruff.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex1086baruff.htm","type":"EX-10.86","id":"NTFILEHc4pihKuV5SpYGvh","market":"us","size":22464},{"description":"THIRD AMENDMENT TO THE UMPQUA BANK SPLIT DOLLAR AGREEMENT - BARUFFI","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex1087baruff.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex1087baruff.htm","type":"EX-10.87","id":"NTFILEE3VsNFuiTDYXqY4K","market":"us","size":13604},{"description":"THIRD AMENDMENT TO THE UMPQUA BANK SPLIT DOLLAR AGREEMENT - DOW","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex1088dow3xj.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex1088dow3xj.htm","type":"EX-10.88","id":"NTFILE2n4MMTxmxXdiMX9Z","market":"us","size":22537},{"description":"FIRST AMENDMENT TO THE UMPQUA BANK SPLIT DOLLAR AGREEMENT - DOW","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex1089dow10x.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex1089dow10x.htm","type":"EX-10.89","id":"NTFILEH4K392XzQi7uBft4","market":"us","size":13585},{"description":"THIRD AMENDMENT TO THE UMPQUA BANK JOINT BENEFICIARY AGREEMENT - STEIN","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex1090stein3.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex1090stein3.htm","type":"EX-10.90","id":"NTFILEFnovv1fCf4PqKGMY","market":"us","size":22403},{"description":"FIRST AMENDMENT TO THE FIRST AMENDED AND RESTATED SPLIT DOLLAR AGRMT - STEIN","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex1091stein1.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex1091stein1.htm","type":"EX-10.91","id":"NTFILE2o4HCtAm1K9RamEv","market":"us","size":14224},{"description":"UMPQUA BANK ENDORSEMENT METHOD SPLIT DOLLAR AGRMT - FARNSWORTH","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex1092farnsw.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex1092farnsw.htm","type":"EX-10.92","id":"NTFILEDGQRk4q3f3qc32Gi","market":"us","size":84528},{"description":"INSIDER TRADING POLICY AND PROCEDURES","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex191x10k.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex191x10k.htm","type":"EX-19.1","id":"NTFILEDC5TKhGbhsS8sEBg","market":"us","size":84067},{"description":"SUBSIDIARIES OF THE REGISTRANT","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex211x10k.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex211x10k.htm","type":"EX-21.1","id":"NTFILEHnsZdqpDZj47mSau","market":"us","size":15506},{"description":"CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - DELOITTE & TOUCHE LLP","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex231x10k.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex231x10k.htm","type":"EX-23.1","id":"NTFILE4N1kXn1oJ2Yp2EXN","market":"us","size":3078},{"description":"CERTIFICATION OF CHIEF EXECUTIVE OFFICER UNDER SECTION 302","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex311.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex311.htm","type":"EX-31.1","id":"NTFILEAgKEFsB1PXRGcwDJ","market":"us","size":8073},{"description":"CERTIFICATION OF CHIEF FINANCIAL OFFICER UNDER SECTION 302","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex312.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex312.htm","type":"EX-31.2","id":"NTFILEDk8A1KeqsoPcoh3c","market":"us","size":8199},{"description":"CERTIFICATION OF PRINCIPAL ACCOUNTING OFFICER UNDER SECTION 302","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex313.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex313.htm","type":"EX-31.3","id":"NTFILEBzxQharRNqCueqYw","market":"us","size":8181},{"description":"CERTIFICATION OF CEO, CFO, AND PAO PURSUANT TO SECTION 906","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex32.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex32.htm","type":"EX-32","id":"NTFILE7YhgbWDCjE1bbv6p","market":"us","size":7864},{"description":"POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED INCENTIVE-BASED COMPENSATION","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231xex971.htm","primary":false,"translateUrl":"","linkName":"colb-20241231xex971.htm","type":"EX-97.1","id":"NTFILEAWntcBjpuXAiD8jt","market":"us","size":24582},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000054/colb-20241231_g1.jpg","primary":false,"translateUrl":"","linkName":"colb-20241231_g1.jpg","type":"GRAPHIC","id":"NTFILE4W83TcxmUZ9uu1S9","market":"us","size":117468}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2025-02-25 13:00","pubTimestamp":1740459600,"title_zh":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19151178","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734325000022-COLB","pdf_url":"","pub_time":1739509200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"COLB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000022/0000887343-25-000022-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"PRESS RELEASE ANNOUNCING QUARTERLY DIVIDEND","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000022/colbex991dividendannouncem.htm","primary":true,"translateUrl":"","linkName":"colbex991dividendannouncem.htm","type":"EX-99.1","id":"NTFILE4HYpPq6U1dCWKjpW","market":"us","size":5297},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000022/colb-20250214.htm","primary":false,"translateUrl":"","linkName":"colb-20250214.htm","type":"8-K","id":"NTFILEGuEW5Wh243jX6bV5","market":"us","size":22095},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000022/image.jpg","primary":false,"translateUrl":"","linkName":"image.jpg","type":"GRAPHIC","id":"NTFILE7Pg1AAhpxvniX7pm","market":"us","size":9654}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-02-14 13:00","pubTimestamp":1739509200,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19070565","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734325000015-COLB","pdf_url":"","pub_time":1737608400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"COLB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/0000887343-25-000015-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"PRESS RELEASE ANNOUNCING FOURTH QUARTER 2024 FINANCIAL RESULTS","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colb-20241231ex991earnings.htm","primary":true,"translateUrl":"","linkName":"colb-20241231ex991earnings.htm","type":"EX-99.1","id":"NTFILE5Zxdwq7adTg6ghCP","market":"us","size":2414318},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colb-20250123.htm","primary":false,"translateUrl":"","linkName":"colb-20250123.htm","type":"8-K","id":"NTFILE9ZdX6EPvSaKnB3y9","market":"us","size":29971},{"description":"FOURTH QUARTER 2024 INVESTOR PRESENTATION","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen.htm","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen.htm","type":"EX-99.2","id":"NTFILE5vH4dtazeUhKYT5b","market":"us","size":105524},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen001.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen001.jpg","type":"GRAPHIC","id":"NTFILECPJWDV3yHNbZ5s7e","market":"us","size":75155},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen002.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen002.jpg","type":"GRAPHIC","id":"NTFILE46tAi148UrTZauKn","market":"us","size":269095},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen003.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen003.jpg","type":"GRAPHIC","id":"NTFILEvSC8rc37fKXhFmGS","market":"us","size":119988},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen004.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen004.jpg","type":"GRAPHIC","id":"NTFILE9YB3AkmiUwmrezzf","market":"us","size":91416},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen005.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen005.jpg","type":"GRAPHIC","id":"NTFILE7ASRxWoNmYfj6y71","market":"us","size":196609},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen006.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen006.jpg","type":"GRAPHIC","id":"NTFILEBRgJoo3aGt2auE9a","market":"us","size":136967},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen007.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen007.jpg","type":"GRAPHIC","id":"NTFILE5RvGigsiii1mDZUF","market":"us","size":192377},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen008.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen008.jpg","type":"GRAPHIC","id":"NTFILE7vE7Pu97kDmmF3FD","market":"us","size":26017},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen009.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen009.jpg","type":"GRAPHIC","id":"NTFILEBPyjNBLYMjNRDpu1","market":"us","size":144244},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen010.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen010.jpg","type":"GRAPHIC","id":"NTFILEAXkqtdpzr4GTF2E1","market":"us","size":131190},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen011.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen011.jpg","type":"GRAPHIC","id":"NTFILEB3WXEAFGMRqaYja6","market":"us","size":136864},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen012.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen012.jpg","type":"GRAPHIC","id":"NTFILEEzEv3arN8avkGgSA","market":"us","size":145030},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen013.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen013.jpg","type":"GRAPHIC","id":"NTFILEA6GECw6a8CW2dLbb","market":"us","size":95125},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen014.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen014.jpg","type":"GRAPHIC","id":"NTFILE3qx7TbALvcF7y1zG","market":"us","size":154661},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen015.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen015.jpg","type":"GRAPHIC","id":"NTFILEBNJZYwNmw6M22rGX","market":"us","size":106820},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen016.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen016.jpg","type":"GRAPHIC","id":"NTFILEHHR261FAZHFxHobf","market":"us","size":153806},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen017.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen017.jpg","type":"GRAPHIC","id":"NTFILEFa8dV48zWRWZGVRt","market":"us","size":115506},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen018.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen018.jpg","type":"GRAPHIC","id":"NTFILE4VvgNG4tH1vQkaj7","market":"us","size":144976},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen019.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen019.jpg","type":"GRAPHIC","id":"NTFILEBZQzw1tMyV5e5PgM","market":"us","size":126872},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen020.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen020.jpg","type":"GRAPHIC","id":"NTFILE3P2wksKoaFs22aSE","market":"us","size":124944},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen021.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen021.jpg","type":"GRAPHIC","id":"NTFILE73yNXEB2vRdhiRYp","market":"us","size":200994},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen022.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen022.jpg","type":"GRAPHIC","id":"NTFILECk97giS9KHmrbRcs","market":"us","size":176491},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen023.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen023.jpg","type":"GRAPHIC","id":"NTFILEFsQG3vaaFby57WWg","market":"us","size":158689},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen024.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen024.jpg","type":"GRAPHIC","id":"NTFILE5VmLpGPrzkZGFh37","market":"us","size":146887},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen025.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen025.jpg","type":"GRAPHIC","id":"NTFILE7JY8ZqbTXnJAsMfa","market":"us","size":22476},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen026.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen026.jpg","type":"GRAPHIC","id":"NTFILEDLLMKqvAQUiXNfvB","market":"us","size":177701},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen027.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen027.jpg","type":"GRAPHIC","id":"NTFILE6qvy2SS2Qg9Cneti","market":"us","size":154588},{"description":"GRAPHIC","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen028.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen028.jpg","type":"GRAPHIC","id":"NTFILEA1R7ThiN9g36u2Gp","market":"us","size":184069},{"description":"GRAPHIC","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen029.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen029.jpg","type":"GRAPHIC","id":"NTFILEC88GruQccSkzwsd5","market":"us","size":133242},{"description":"GRAPHIC","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen030.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen030.jpg","type":"GRAPHIC","id":"NTFILEDKy3JnxZYWQdmxtb","market":"us","size":100400},{"description":"GRAPHIC","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen031.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen031.jpg","type":"GRAPHIC","id":"NTFILE7yJc7U1hexQ3bdcM","market":"us","size":186879},{"description":"GRAPHIC","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen032.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen032.jpg","type":"GRAPHIC","id":"NTFILEgbGxaZ6hFPFiRPkD","market":"us","size":183701},{"description":"GRAPHIC","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen033.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen033.jpg","type":"GRAPHIC","id":"NTFILEHzXk72tscAnoU59r","market":"us","size":183071},{"description":"GRAPHIC","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen034.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen034.jpg","type":"GRAPHIC","id":"NTFILE7cdyMokXmK3sQr2Y","market":"us","size":161817},{"description":"GRAPHIC","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/colbq42024earningspresen035.jpg","primary":false,"translateUrl":"","linkName":"colbq42024earningspresen035.jpg","type":"GRAPHIC","id":"NTFILEDB9JjgRb8KuB3Ksa","market":"us","size":129490},{"description":"GRAPHIC","seq":42,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000015/columbiabankingsystemhoriza.gif","primary":false,"translateUrl":"","linkName":"columbiabankingsystemhoriza.gif","type":"GRAPHIC","id":"NTFILE3SJcqQAxsn8gmWko","market":"us","size":2826}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-01-23 13:00","pubTimestamp":1737608400,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18999314","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734324000275-COLB","pdf_url":"","pub_time":1735621200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"COLB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000275/0000887343-24-000275-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"PRESS RELEASE ANNOUNCING QUARTERLY EARNINGS CONFERENCE CALL","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000275/colbex991q42024earningscal.htm","primary":true,"translateUrl":"","linkName":"colbex991q42024earningscal.htm","type":"EX-99.1","id":"NTFILEHtW8kVYSAaCfiLDC","market":"us","size":6989},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000275/colb-20241231.htm","primary":false,"translateUrl":"","linkName":"colb-20241231.htm","type":"8-K","id":"NTFILEGqpdLtd7RieEciRc","market":"us","size":24009},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000275/image.jpg","primary":false,"translateUrl":"","linkName":"image.jpg","type":"GRAPHIC","id":"NTFILE8vKvo2vKRm1x4nfc","market":"us","size":9654}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2024-12-31 13:00","pubTimestamp":1735621200,"title_zh":"Form 8-K - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18842150","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734324000265-COLB","pdf_url":"","pub_time":1731646800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"COLB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000265/0000887343-24-000265-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"PRESS RELEASE ANNOUNCING QUARTERLY DIVIDEND","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000265/colbex991dividendannouncem.htm","primary":true,"translateUrl":"","linkName":"colbex991dividendannouncem.htm","type":"EX-99.1","id":"NTFILEDfMmdbGBHvvBtKmu","market":"us","size":5375},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000265/colb-20241115.htm","primary":false,"translateUrl":"","linkName":"colb-20241115.htm","type":"8-K","id":"NTFILEA6kgyvMkfNfGN5mF","market":"us","size":22098},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000265/imagea.jpg","primary":false,"translateUrl":"","linkName":"imagea.jpg","type":"GRAPHIC","id":"NTFILE7c3mNkVbvanfiJHJ","market":"us","size":9654}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2024-11-15 13:00","pubTimestamp":1731646800,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18798348","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734324000262-COLB","pdf_url":"","pub_time":1730782800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"COLB","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/0000887343-24-000262-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930.htm","primary":true,"translateUrl":"","linkName":"colb-20240930.htm","type":"10-Q","id":"NTFILE97m1k7tiABhy54Bs","market":"us","size":4819126},{"description":"AMENDED AND RESTATED BYLAWS","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum.htm","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum.htm","type":"EX-3.2","id":"NTFILED7R4JeyvZk9ZwFMn","market":"us","size":87147},{"description":"EXECUTIVE CHANGE IN CONTROL SEVERANCE PLAN","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex101executi.htm","primary":false,"translateUrl":"","linkName":"colb-20240930xex101executi.htm","type":"EX-10.1","id":"NTFILECasvsWaqsC9LJxye","market":"us","size":104528},{"description":"FORM OF PARTICIPATION AGREEMENT","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex102partici.htm","primary":false,"translateUrl":"","linkName":"colb-20240930xex102partici.htm","type":"EX-10.2","id":"NTFILEA4vE2jSrNMXbs4FV","market":"us","size":25917},{"description":"CERTIFICATION OF CHIEF EXECUTIVE OFFICER","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex311.htm","primary":false,"translateUrl":"","linkName":"colb-20240930xex311.htm","type":"EX-31.1","id":"NTFILE7Fj1Fm6suPTtNwEo","market":"us","size":10438},{"description":"CERTIFICATION OF CHIEF FINANCIAL OFFICER","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex312.htm","primary":false,"translateUrl":"","linkName":"colb-20240930xex312.htm","type":"EX-31.2","id":"NTFILE5W1k9qNBVmpbqYCh","market":"us","size":10262},{"description":"CERTIFICATION OF PRINCIPAL ACCOUNTING OFFICER","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex313.htm","primary":false,"translateUrl":"","linkName":"colb-20240930xex313.htm","type":"EX-31.3","id":"NTFILE72BwKkEWqJ2wdmAR","market":"us","size":10454},{"description":"CERTIFICATION OF CEO, CFO, AND PAO","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32.htm","primary":false,"translateUrl":"","linkName":"colb-20240930xex32.htm","type":"EX-32","id":"NTFILE5KJainJWVqtRzGgE","market":"us","size":8022},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum001.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum001.jpg","type":"GRAPHIC","id":"NTFILE294n4XB5YgeogKje","market":"us","size":31543},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum002.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum002.jpg","type":"GRAPHIC","id":"NTFILEBy4kezzvrPjWiEDW","market":"us","size":212884},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum003.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum003.jpg","type":"GRAPHIC","id":"NTFILEJ8bGQpM35ZLWMeUg","market":"us","size":195194},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum004.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum004.jpg","type":"GRAPHIC","id":"NTFILEDXRbF3HBAX3eyoih","market":"us","size":221598},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum005.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum005.jpg","type":"GRAPHIC","id":"NTFILEHpv42efUFYSjB28Q","market":"us","size":329662},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum006.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum006.jpg","type":"GRAPHIC","id":"NTFILE2BVZfZse8t5ZSLsK","market":"us","size":272160},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum007.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum007.jpg","type":"GRAPHIC","id":"NTFILEcNQyysTrzijZZMdD","market":"us","size":277875},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum008.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum008.jpg","type":"GRAPHIC","id":"NTFILEE81SRP6mNv3bgXJA","market":"us","size":269003},{"description":"","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum009.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum009.jpg","type":"GRAPHIC","id":"NTFILEEgjSvPeFV21yDssq","market":"us","size":254434},{"description":"","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum010.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum010.jpg","type":"GRAPHIC","id":"NTFILEAfdGJpFZYKowLf5h","market":"us","size":298539},{"description":"","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum011.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum011.jpg","type":"GRAPHIC","id":"NTFILEGf2rVJbqUden21YA","market":"us","size":328541},{"description":"","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum012.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum012.jpg","type":"GRAPHIC","id":"NTFILEDzLJf5VFk1iL27wz","market":"us","size":241877},{"description":"","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum013.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum013.jpg","type":"GRAPHIC","id":"NTFILEMWwYZHUz9uZkSDFi","market":"us","size":294863},{"description":"","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum014.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum014.jpg","type":"GRAPHIC","id":"NTFILEBayG42hP7CQJrh8C","market":"us","size":284166},{"description":"","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum015.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum015.jpg","type":"GRAPHIC","id":"NTFILEF563HcdpmVtknSfc","market":"us","size":268466},{"description":"","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum016.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum016.jpg","type":"GRAPHIC","id":"NTFILEDxotNTj1ZGNksm1q","market":"us","size":285326},{"description":"","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum017.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum017.jpg","type":"GRAPHIC","id":"NTFILEM8WHvk77csW8xTs8","market":"us","size":252187},{"description":"","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum018.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum018.jpg","type":"GRAPHIC","id":"NTFILE86AZf4R5d2yKYUHx","market":"us","size":273407},{"description":"","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum019.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum019.jpg","type":"GRAPHIC","id":"NTFILE7qjc2eEXScxS9pRP","market":"us","size":233052},{"description":"","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000262/colb-20240930xex32xcolum020.jpg","primary":false,"translateUrl":"","linkName":"colb-20240930xex32xcolum020.jpg","type":"GRAPHIC","id":"NTFILE8asULG1ejavZHYWc","market":"us","size":272293}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2024-11-05 13:00","pubTimestamp":1730782800,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18737792","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734324000256-COLB","pdf_url":"","pub_time":1729742400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"COLB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/0000887343-24-000256-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"PRESS RELEASE ACCOUNCING THIRD QUARTER 2024 FINANCIAL RESULTS","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb-20240930ex991earnings.htm","primary":true,"translateUrl":"","linkName":"colb-20240930ex991earnings.htm","type":"EX-99.1","id":"NTFILE9euKG1ho4UTX4ab3","market":"us","size":2416005},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb-20241024.htm","primary":false,"translateUrl":"","linkName":"colb-20241024.htm","type":"8-K","id":"NTFILEszGJfqsVMwQEXntA","market":"us","size":27108},{"description":"THIRD QUARTER 2024 INVESTOR PRESENTATION","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen.htm","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen.htm","type":"EX-99.2","id":"NTFILEA5bQbg71egRixP4f","market":"us","size":104269},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen001.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen001.jpg","type":"GRAPHIC","id":"NTFILE7hHuE1tXbrL1ow8U","market":"us","size":75243},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen002.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen002.jpg","type":"GRAPHIC","id":"NTFILE4tCSDCNbwyx8jpPj","market":"us","size":276822},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen003.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen003.jpg","type":"GRAPHIC","id":"NTFILEJ79YsiAGyPqYVw1n","market":"us","size":120051},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen004.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen004.jpg","type":"GRAPHIC","id":"NTFILE6yw2JqzUNrdvoxzK","market":"us","size":91416},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen005.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen005.jpg","type":"GRAPHIC","id":"NTFILE2fuLxZE7zSxuZDiK","market":"us","size":195660},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen006.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen006.jpg","type":"GRAPHIC","id":"NTFILECSV9nhG2qUKQC5Qu","market":"us","size":136906},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen007.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen007.jpg","type":"GRAPHIC","id":"NTFILE2BYomLgHc6Gr6csG","market":"us","size":26017},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen008.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen008.jpg","type":"GRAPHIC","id":"NTFILE5g68XCTsLgNruV4q","market":"us","size":152756},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen009.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen009.jpg","type":"GRAPHIC","id":"NTFILECaANfiejf4k7x3Qc","market":"us","size":142553},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen010.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen010.jpg","type":"GRAPHIC","id":"NTFILE3PJy9WrLAjQVe8dN","market":"us","size":143857},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen011.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen011.jpg","type":"GRAPHIC","id":"NTFILEGtosx8ubstG9Dn4S","market":"us","size":145282},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen012.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen012.jpg","type":"GRAPHIC","id":"NTFILE6xTmc9Q9MHgsidsm","market":"us","size":94643},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen013.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen013.jpg","type":"GRAPHIC","id":"NTFILEDW3ZGR8j7nXg3evG","market":"us","size":154733},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen014.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen014.jpg","type":"GRAPHIC","id":"NTFILEBKRH3HdKJdfqja8R","market":"us","size":107108},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen015.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen015.jpg","type":"GRAPHIC","id":"NTFILEAQmvr7M3ABuuKFaH","market":"us","size":152548},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen016.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen016.jpg","type":"GRAPHIC","id":"NTFILEEKrATCPQpQCP4QTe","market":"us","size":110691},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen017.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen017.jpg","type":"GRAPHIC","id":"NTFILEEoYwESEBsmEZTyhq","market":"us","size":144059},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen018.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen018.jpg","type":"GRAPHIC","id":"NTFILE2pR8cozrNnaKr5Yi","market":"us","size":127167},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen019.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen019.jpg","type":"GRAPHIC","id":"NTFILEGwvn12ue8xC8prJ3","market":"us","size":108952},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen020.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen020.jpg","type":"GRAPHIC","id":"NTFILEDXRyQR4wWy8k3rzo","market":"us","size":201415},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen021.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen021.jpg","type":"GRAPHIC","id":"NTFILEJCD5Vx58evowvZxd","market":"us","size":178900},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen022.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen022.jpg","type":"GRAPHIC","id":"NTFILE9vWMgVaWCuZ9mLR1","market":"us","size":157045},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen023.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen023.jpg","type":"GRAPHIC","id":"NTFILE5jjChSMf1eBqZrxo","market":"us","size":141358},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen024.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen024.jpg","type":"GRAPHIC","id":"NTFILE9B8DUW8ZJMUTagr1","market":"us","size":104332},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen025.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen025.jpg","type":"GRAPHIC","id":"NTFILEEdXYm2GGjn94ny4h","market":"us","size":22476},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen026.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen026.jpg","type":"GRAPHIC","id":"NTFILE4ZaeZWXHRMAtQgcw","market":"us","size":173752},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen027.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen027.jpg","type":"GRAPHIC","id":"NTFILEDVYkYjuCmkC4FY5e","market":"us","size":160868},{"description":"GRAPHIC","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen028.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen028.jpg","type":"GRAPHIC","id":"NTFILEGXf4WaTG82VtsjFq","market":"us","size":180409},{"description":"GRAPHIC","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen029.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen029.jpg","type":"GRAPHIC","id":"NTFILEFVQAdkQVk5CmYXFU","market":"us","size":132957},{"description":"GRAPHIC","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen030.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen030.jpg","type":"GRAPHIC","id":"NTFILECcMFmonmMwQPpFJA","market":"us","size":100352},{"description":"GRAPHIC","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen031.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen031.jpg","type":"GRAPHIC","id":"NTFILEhZQCBomXbAuSgowH","market":"us","size":186814},{"description":"GRAPHIC","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen032.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen032.jpg","type":"GRAPHIC","id":"NTFILEEZYKbEeqsFtQbMxM","market":"us","size":183739},{"description":"GRAPHIC","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen033.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen033.jpg","type":"GRAPHIC","id":"NTFILE31WiKFM8MdJ7bWx9","market":"us","size":183233},{"description":"GRAPHIC","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen034.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen034.jpg","type":"GRAPHIC","id":"NTFILEDywebSYYNDvM1A3m","market":"us","size":161520},{"description":"GRAPHIC","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/colb2024q3earningspresen035.jpg","primary":false,"translateUrl":"","linkName":"colb2024q3earningspresen035.jpg","type":"GRAPHIC","id":"NTFILE7Nmi4pQCKUtS1Ksp","market":"us","size":129559},{"description":"","seq":42,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000256/columbiabankingsystemhoriza.gif","primary":false,"translateUrl":"","linkName":"columbiabankingsystemhoriza.gif","type":"GRAPHIC","id":"NTFILE436igfpATavAxguQ","market":"us","size":2826}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2024-10-24 12:00","pubTimestamp":1729742400,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18665373","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734324000252-COLB","pdf_url":"","pub_time":1727668800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"COLB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000252/0000887343-24-000252-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"PRESS RELEASE ANNOUNCING QUARTERLY EARNINGS CONFERENCE CALL","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000252/colbex991q32024earningscal.htm","primary":true,"translateUrl":"","linkName":"colbex991q32024earningscal.htm","type":"EX-99.1","id":"NTFILED833xFrSUeHaz4sZ","market":"us","size":6714},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000252/colb-20240930.htm","primary":false,"translateUrl":"","linkName":"colb-20240930.htm","type":"8-K","id":"NTFILEAHGJkj67F6ZXPuYX","market":"us","size":24046},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000252/imagea.jpg","primary":false,"translateUrl":"","linkName":"imagea.jpg","type":"GRAPHIC","id":"NTFILEF6jvyUkmADeNHVoE","market":"us","size":9654}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2024-09-30 12:00","pubTimestamp":1727668800,"title_zh":"Form 8-K - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18461630","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734324000247-COLB","pdf_url":"","pub_time":1723435200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"COLB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000247/0000887343-24-000247-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000247/colbex991dividendannouncem.htm","primary":true,"translateUrl":"","linkName":"colbex991dividendannouncem.htm","type":"EX-99.1","id":"NTFILEHq1KfhREmgkYCZxh","market":"us","size":5066},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000247/colb-20240812.htm","primary":false,"translateUrl":"","linkName":"colb-20240812.htm","type":"8-K","id":"NTFILEAWt6VX7n7Lerp4Hs","market":"us","size":22105},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000247/imagea.jpg","primary":false,"translateUrl":"","linkName":"imagea.jpg","type":"GRAPHIC","id":"NTFILEFTTeFAF2BLbDVNc3","market":"us","size":9654}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2024-08-12 12:00","pubTimestamp":1723435200,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18453129","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734324000245-COLB","pdf_url":"","pub_time":1722916800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"COLB","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000245/0000887343-24-000245-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000245/colb-20240630.htm","primary":true,"translateUrl":"","linkName":"colb-20240630.htm","type":"10-Q","id":"NTFILE8SqmS2cKCtQBDoXv","market":"us","size":4779106},{"description":"CERTIFICATION OF CHIEF EXECUTIVE OFFICER","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000245/colb-20240630xex311.htm","primary":false,"translateUrl":"","linkName":"colb-20240630xex311.htm","type":"EX-31.1","id":"NTFILEHEyhWorddXjqSnzN","market":"us","size":10436},{"description":"CERTIFICATION OF CHIEF FINANCIAL OFFICER","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000245/colb-20240630xex312.htm","primary":false,"translateUrl":"","linkName":"colb-20240630xex312.htm","type":"EX-31.2","id":"NTFILE24ZTyTDBwB96L8gZ","market":"us","size":10260},{"description":"CERTIFICATION OF PRINCIPAL ACCOUNTING OFFICER","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000245/colb-20240630xex313.htm","primary":false,"translateUrl":"","linkName":"colb-20240630xex313.htm","type":"EX-31.3","id":"NTFILEUJNwEHBxFZuSFZJh","market":"us","size":10452},{"description":"CERTIFICATION OF CEO, CFO, AND PAO","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000245/colb-20240630xex32.htm","primary":false,"translateUrl":"","linkName":"colb-20240630xex32.htm","type":"EX-32","id":"NTFILECboFoL7YTtpjBS8f","market":"us","size":8015}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2024-08-06 12:00","pubTimestamp":1722916800,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18403388","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734324000242-COLB","pdf_url":"","pub_time":1721880000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"COLB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/0000887343-24-000242-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"PRESS RELEASE ANNOUNCING SECOND QUARTER 2024 FINANCIAL RESULTS","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb-20240630ex991earnings.htm","primary":true,"translateUrl":"","linkName":"colb-20240630ex991earnings.htm","type":"EX-99.1","id":"NTFILEBsMAPVqBDtJjSV5o","market":"us","size":2417757},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb-20240725.htm","primary":false,"translateUrl":"","linkName":"colb-20240725.htm","type":"8-K","id":"NTFILE31EK5cvvz6LLwkfH","market":"us","size":27091},{"description":"SECOND QUARTER 2024 INVESTOR PRESENTATION","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen.htm","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen.htm","type":"EX-99.2","id":"NTFILE4kwuebDBYhyWrK2v","market":"us","size":99059},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen001.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen001.jpg","type":"GRAPHIC","id":"NTFILE54Hr7bvMTjyiv9q5","market":"us","size":75359},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen002.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen002.jpg","type":"GRAPHIC","id":"NTFILE4XvtvYFcyvo7MvaW","market":"us","size":276108},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen003.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen003.jpg","type":"GRAPHIC","id":"NTFILED7spCZh9HdDg1gNe","market":"us","size":119485},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen004.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen004.jpg","type":"GRAPHIC","id":"NTFILE5cjwDFkFzHUj7Xo8","market":"us","size":91416},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen005.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen005.jpg","type":"GRAPHIC","id":"NTFILEDS29v3Fp5w49TpvT","market":"us","size":193985},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen006.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen006.jpg","type":"GRAPHIC","id":"NTFILECLmKk6ZjDpoJ6pvN","market":"us","size":137310},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen007.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen007.jpg","type":"GRAPHIC","id":"NTFILEFxKFYq4tsToh4Gdf","market":"us","size":26017},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen008.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen008.jpg","type":"GRAPHIC","id":"NTFILEJ4BdnWJqG3MLGMyP","market":"us","size":130833},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen009.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen009.jpg","type":"GRAPHIC","id":"NTFILE2nW3aqN2gzN6frUb","market":"us","size":146551},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen010.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen010.jpg","type":"GRAPHIC","id":"NTFILECGpSF9ashEf7b5ua","market":"us","size":135844},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen011.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen011.jpg","type":"GRAPHIC","id":"NTFILE9Pbr8mQLegrbeQ3W","market":"us","size":153684},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen012.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen012.jpg","type":"GRAPHIC","id":"NTFILE8auyBCpWbR2kem4T","market":"us","size":90194},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen013.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen013.jpg","type":"GRAPHIC","id":"NTFILEBrm9YDdNbLZonRtk","market":"us","size":154099},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen014.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen014.jpg","type":"GRAPHIC","id":"NTFILEAnkj3JTyacL8626Y","market":"us","size":106040},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen015.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen015.jpg","type":"GRAPHIC","id":"NTFILE3LGrFi3T2tuXQsRK","market":"us","size":154705},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen016.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen016.jpg","type":"GRAPHIC","id":"NTFILEHs8x896WAh4T4F67","market":"us","size":120446},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen017.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen017.jpg","type":"GRAPHIC","id":"NTFILEEtfYWiHUd2sQtaVV","market":"us","size":141803},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen018.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen018.jpg","type":"GRAPHIC","id":"NTFILE52RkCMkMm64gT2wo","market":"us","size":125716},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen019.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen019.jpg","type":"GRAPHIC","id":"NTFILE6UtDv9c43umB1dQi","market":"us","size":127800},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen020.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen020.jpg","type":"GRAPHIC","id":"NTFILE9M9Ma8qJNcn2opwr","market":"us","size":192272},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen021.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen021.jpg","type":"GRAPHIC","id":"NTFILE6acDRKhVF659SUjg","market":"us","size":158167},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen022.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen022.jpg","type":"GRAPHIC","id":"NTFILEGvFoMA4R7UzuMKka","market":"us","size":147983},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen023.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen023.jpg","type":"GRAPHIC","id":"NTFILEDDZm199cKzNRRUHG","market":"us","size":22476},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen024.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen024.jpg","type":"GRAPHIC","id":"NTFILE74xPcydSDnjecqib","market":"us","size":162125},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen025.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen025.jpg","type":"GRAPHIC","id":"NTFILEB59vMRrZzjCUcLRJ","market":"us","size":180542},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen026.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen026.jpg","type":"GRAPHIC","id":"NTFILEBtoG1CezKM81LuoX","market":"us","size":182463},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen027.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen027.jpg","type":"GRAPHIC","id":"NTFILE93vqSbLFhaDjd7mN","market":"us","size":132629},{"description":"GRAPHIC","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen028.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen028.jpg","type":"GRAPHIC","id":"NTFILE3HcF5WAe6jJcxgBo","market":"us","size":100061},{"description":"GRAPHIC","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen029.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen029.jpg","type":"GRAPHIC","id":"NTFILE76YEsEC2PbSCsueQ","market":"us","size":187289},{"description":"GRAPHIC","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen030.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen030.jpg","type":"GRAPHIC","id":"NTFILE9AkjBZGAFiTRVTgr","market":"us","size":184241},{"description":"GRAPHIC","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen031.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen031.jpg","type":"GRAPHIC","id":"NTFILEEsEPnL48oQXxv9pe","market":"us","size":183367},{"description":"GRAPHIC","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen032.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen032.jpg","type":"GRAPHIC","id":"NTFILEBcXi5wkPVrhoJz1V","market":"us","size":161086},{"description":"GRAPHIC","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/colb2024q2earningspresen033.jpg","primary":false,"translateUrl":"","linkName":"colb2024q2earningspresen033.jpg","type":"GRAPHIC","id":"NTFILE3nYDLm617rwU5xpc","market":"us","size":129265},{"description":"GRAPHIC","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000242/columbiabankingsystemhoriza.gif","primary":false,"translateUrl":"","linkName":"columbiabankingsystemhoriza.gif","type":"GRAPHIC","id":"NTFILE5xJL7F3sWP2C5W96","market":"us","size":2826}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2024-07-25 12:00","pubTimestamp":1721880000,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18323259","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734324000235-COLB","pdf_url":"","pub_time":1719547200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"COLB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000235/0000887343-24-000235-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"PRESS RELEASE ANNOUNCING QUARTERLY EARNINGS CONFERENCE CALL","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000235/colbex991q22024earningscal.htm","primary":true,"translateUrl":"","linkName":"colbex991q22024earningscal.htm","type":"EX-99.1","id":"NTFILEDPoaUsAP3PQwYXHG","market":"us","size":6978},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000235/colb-20240628.htm","primary":false,"translateUrl":"","linkName":"colb-20240628.htm","type":"8-K","id":"NTFILE3nsDepexzeK1gk2x","market":"us","size":24002},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000235/image.jpg","primary":false,"translateUrl":"","linkName":"image.jpg","type":"GRAPHIC","id":"NTFILE2TTovjtYHhZV95i6","market":"us","size":9654}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2024-06-28 12:00","pubTimestamp":1719547200,"title_zh":"Form 8-K - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18307737","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734324000232-COLB","pdf_url":"","pub_time":1719265911000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","symbol":"COLB","title":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/0000887343-24-000232-index.html","us_notice_code":"Form 11-K","us_title_en":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"11-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000232/colb11-k2023.htm","primary":true,"translateUrl":"","linkName":"colb11-k2023.htm","type":"11-K","id":"NTFILEFbR2nT8cHwiugM7v","market":"us","size":260380},{"description":"CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000232/colbex23111-kconsent2023.htm","primary":false,"translateUrl":"","linkName":"colbex23111-kconsent2023.htm","type":"EX-23.1","id":"NTFILEE3ZRMsPK4KDaii8F","market":"us","size":2227}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2024-06-25 05:51","pubTimestamp":1719265911,"title_zh":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18135497","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734324000201-COLB","pdf_url":"","pub_time":1715572800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"COLB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000201/0000887343-24-000201-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"PRESS RELEASE ANNOUNCING QUARTERLY CASH DIVIDEND","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000201/colbex991dividendannouncem.htm","primary":true,"translateUrl":"","linkName":"colbex991dividendannouncem.htm","type":"EX-99.1","id":"NTFILEEt8hvNmjxR3qZ63F","market":"us","size":5343},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000201/colb-20240513.htm","primary":false,"translateUrl":"","linkName":"colb-20240513.htm","type":"8-K","id":"NTFILEA89MSH91Md8mZ8dA","market":"us","size":22094},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000201/imagea.jpg","primary":false,"translateUrl":"","linkName":"imagea.jpg","type":"GRAPHIC","id":"NTFILEEkt7cGSnDgRCAQa1","market":"us","size":9654}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2024-05-13 12:00","pubTimestamp":1715572800,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18120536","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734324000197-COLB","pdf_url":"","pub_time":1715227200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form S-8 - Securities to be offered to employees in employee benefit plans","symbol":"COLB","title":"Form S-8 - Securities to be offered to employees in employee benefit plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000197/0000887343-24-000197-index.htm","us_notice_code":"Form S-8","us_title_en":"Form S-8 - Securities to be offered to employees in employee benefit plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"S-8","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000197/colb-formsx8deferredcomppl.htm","primary":true,"translateUrl":"","linkName":"colb-formsx8deferredcomppl.htm","type":"S-8","id":"NTFILE3RZ43GRTC1HjdDzj","market":"us","size":72499},{"description":"EX-5.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000197/colb-ex51opinionofcounseld.htm","primary":false,"translateUrl":"","linkName":"colb-ex51opinionofcounseld.htm","type":"EX-5.1","id":"NTFILE4qknqifpNNm8obdC","market":"us","size":7580},{"description":"EX-23.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000197/ex232consentofdeloittetouc.htm","primary":false,"translateUrl":"","linkName":"ex232consentofdeloittetouc.htm","type":"EX-23.2","id":"NTFILE6E1Vbd21GzuX9WeK","market":"us","size":1946},{"description":"EX-24.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000197/colb-ex241powerofattorneyd.htm","primary":false,"translateUrl":"","linkName":"colb-ex241powerofattorneyd.htm","type":"EX-24.1","id":"NTFILEJ1jMixoCDmJzqek8","market":"us","size":25492},{"description":"EX-FILING FEES","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000197/colb-ex107feetabledeferred.htm","primary":false,"translateUrl":"","linkName":"colb-ex107feetabledeferred.htm","type":"EX-FILING FEES","id":"NTFILEEFKChQ2n42qG3D8i","market":"us","size":14273}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2024-05-09 12:00","pubTimestamp":1715227200,"title_zh":"Form S-8 - Securities to be offered to employees in employee benefit plans","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18120495","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734324000195-COLB","pdf_url":"","pub_time":1715227200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form S-8 - Securities to be offered to employees in employee benefit plans","symbol":"COLB","title":"Form S-8 - Securities to be offered to employees in employee benefit plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000195/0000887343-24-000195-index.htm","us_notice_code":"Form S-8","us_title_en":"Form S-8 - Securities to be offered to employees in employee benefit plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"S-8","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000195/colb-formsx82024employeest.htm","primary":true,"translateUrl":"","linkName":"colb-formsx82024employeest.htm","type":"S-8","id":"NTFILE5BRZDB855SYxCJ8E","market":"us","size":78553},{"description":"EX-5.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000195/colb-ex51opinionofcounsel2.htm","primary":false,"translateUrl":"","linkName":"colb-ex51opinionofcounsel2.htm","type":"EX-5.1","id":"NTFILEHdeVP6BC9m5A2Z7p","market":"us","size":7741},{"description":"EX-23.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000195/ex232consentofdeloittetouc.htm","primary":false,"translateUrl":"","linkName":"ex232consentofdeloittetouc.htm","type":"EX-23.2","id":"NTFILEBFmWEojunAoy2utx","market":"us","size":1946},{"description":"EX-24.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000195/colb-ex241powerofattorney2.htm","primary":false,"translateUrl":"","linkName":"colb-ex241powerofattorney2.htm","type":"EX-24.1","id":"NTFILED45e4PfZxcFF6F8V","market":"us","size":25555},{"description":"EX-FILING FEES","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000195/colb-ex107filingfees2024xe.htm","primary":false,"translateUrl":"","linkName":"colb-ex107filingfees2024xe.htm","type":"EX-FILING FEES","id":"NTFILE6Z6XVSoYFbXYdNUh","market":"us","size":22146}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2024-05-09 12:00","pubTimestamp":1715227200,"title_zh":"Form S-8 - Securities to be offered to employees in employee benefit plans","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18120003","market":"us","labels":[],"media":"sec.gov","original_id":"AN88734324000187-COLB","pdf_url":"","pub_time":1715227200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"COLB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000187/0000887343-24-000187-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"2024 EQUITY INCENTIVE PLAN","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000187/ex101-2024equityincentivep.htm","primary":true,"translateUrl":"","linkName":"ex101-2024equityincentivep.htm","type":"EX-10.1","id":"NTFILEBkm2uqnYVVAcrNdN","market":"us","size":147218},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000187/colb-20240508.htm","primary":false,"translateUrl":"","linkName":"colb-20240508.htm","type":"8-K","id":"NTFILE7nkgk7Crm5gK1ug8","market":"us","size":92954},{"description":"FORM OF RESTRICTED STOCK AWARD AGREEMENT UNDER THE 2024 EQUITY INCENTIVE PLAN","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000187/ex102-formofrestrictedstoc.htm","primary":false,"translateUrl":"","linkName":"ex102-formofrestrictedstoc.htm","type":"EX-10.2","id":"NTFILE8ioT58iQ99Ugsizh","market":"us","size":33090},{"description":"FORM OF RESTRICTED STOCK UNIT AGREEMENT UNDER 2024 EQUITY INCENTIVE PLAN","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000187/ex103-formofrestrictedstoc.htm","primary":false,"translateUrl":"","linkName":"ex103-formofrestrictedstoc.htm","type":"EX-10.3","id":"NTFILEDgMZXB5ZCEabB3ot","market":"us","size":26953},{"description":"FORM OF PERFORMANCE STOCK UNIT AGREEMENT-ROTCE UNDER 2024 EQUITY INCENTIVE PLAN","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000187/ex104-formofperformancesto.htm","primary":false,"translateUrl":"","linkName":"ex104-formofperformancesto.htm","type":"EX-10.4","id":"NTFILEEMu47Dhhps5qQ9a9","market":"us","size":51761},{"description":"FORM OF PERFORMANCE STOCK UNIT AGREEMENT-TSR UNDER 2024 EQUITY INCENTIVE PLAN","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000187/ex105-formofperformancesto.htm","primary":false,"translateUrl":"","linkName":"ex105-formofperformancesto.htm","type":"EX-10.5","id":"NTFILEAbTSBHk5oUPZ3YfS","market":"us","size":50649},{"description":"SECOND AMENDMENT TO THE AMENDED AND RESTATED EMPLOYEE STOCK PURCHASE PLAN","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000187/ex106-secondamendmenttothe.htm","primary":false,"translateUrl":"","linkName":"ex106-secondamendmenttothe.htm","type":"EX-10.6","id":"NTFILEBTyW5RiktJgyFbvB","market":"us","size":8403}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2024-05-09 12:00","pubTimestamp":1715227200,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":14,"pageCount":4,"totalSize":274,"code":"91000000","status":"200"}]}}