Knife River Corp

54.49

-1.1300-2.03%

Pre-market: 56.902.41+4.42%08:05 EDT

Volume:950.66K

Turnover:51.92M

Market Cap:3.09B

PE:22.17

High:56.90

Open:56.90

Low:54.14

Close:55.62

52wk High:96.28

52wk Low:54.14

Shares:56.66M

Float Shares:56.28M

Volume Ratio:0.94

T/O Rate:1.69%

Dividend:- -

Dividend Rate:- -

EPS(TTM):2.46

EPS(LYR):2.76

ROE:9.12%

ROA:4.50%

PB:1.92

PE(LYR):19.74

Loading ...

Overview Company News Filings

May 15, 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/KNF/filings?page=2"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"NZL","license":"TBKIWI","edition":"fundamental","symbol":"KNF","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"KNF\",,,,,undefined,":{"symbol":"KNF","market":"US","secType":"STK","nameCN":"Knife River Corp","latestPrice":54.49,"timestamp":1789675200000,"preClose":55.62,"halted":0,"volume":950657,"hourTrading":{"tag":"盘前","latestPrice":56.9,"preClose":54.49,"latestTime":"08:05 EDT","volume":125,"amount":6804.74,"timestamp":1789733115459,"change":2.41,"changeRate":0.044228,"amplitude":0.046614},"delay":0,"changeRate":-0.02031643293779208,"floatShares":56279732,"shares":56664165,"eps":2.458305,"marketStatus":"Pre-Mkt","change":-1.13,"latestTime":"09-18 09:25:30 EDT","open":56.9,"high":56.9,"low":54.14,"amount":51922185.47412,"amplitude":0.049622,"askPrice":62,"askSize":600,"bidPrice":45.33,"bidSize":600,"shortable":3,"etf":0,"ttmEps":2.458305,"tradingStatus":1,"nextMarketStatus":{"tag":"Open","tradingStatus":2,"beginTime":1789738200000},"marketStatusCode":1,"adr":0,"exchange":"NYSE","adjPreClose":54.49,"preHourTrading":{"tag":"盘前","latestPrice":56.9,"preClose":54.49,"latestTime":"08:05 EDT","volume":125,"amount":6804.74,"timestamp":1789733115459,"change":2.41,"changeRate":0.044228,"amplitude":0.046614},"postHourTrading":{"tag":"盘后","latestPrice":54.5,"preClose":54.49,"latestTime":"19:30 EDT","volume":39500,"amount":2152887.07,"timestamp":1789687809112,"change":0.01,"changeRate":0.000184,"amplitude":0.00936},"volumeRatio":0.9406915023064247,"impliedVol":0.423,"impliedVolPercentile":0.312},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"KNF\",,,,,undefined,":{"symbol":"KNF","floatShares":56279732,"roa":"4.50%","roe":"9.12%","lyrEps":2.76,"volumeRatio":0.9406915023064247,"shares":56664165,"dividePrice":0,"high":56.9,"amplitude":0.049622,"preClose":55.62,"low":54.14,"week52Low":54.14,"pbRate":"1.92","psRate":"0.93","week52High":96.28,"institutionHeld":0,"latestPrice":54.49,"eps":2.458305,"divideRate":0,"volume":950657,"delay":0,"ttmEps":2.458305,"open":56.9,"prevYearClose":70.35,"fiveDayClose":57.18,"twentyDayClose":65.78,"sixtyDayClose":86.64},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/KNF\",params:#limit:5,,,undefined,":[{"market":"US","date":"2026-08-04","symbol":"KNF","fiscalQuarterEnding":"2026/06","expectedEps":1.11,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1785816000000,"reportTimeType":"pre","actualEps":0.77},{"market":"US","date":"2026-05-05","symbol":"KNF","fiscalQuarterEnding":"2026/03","expectedEps":-1.42,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1777953600000,"reportTimeType":"pre","actualEps":-1.4},{"market":"US","date":"2026-02-17","symbol":"KNF","fiscalQuarterEnding":"2025/12","expectedEps":0.41,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1771304400000,"reportTimeType":"pre","actualEps":0.41},{"market":"US","date":"2025-11-04","symbol":"KNF","fiscalQuarterEnding":"2025/09","expectedEps":2.45,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1762232400000,"reportTimeType":"pre","actualEps":2.52},{"market":"US","date":"2025-08-05","symbol":"KNF","fiscalQuarterEnding":"2025/06","expectedEps":1.27,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1754366400000,"reportTimeType":"pre","actualEps":0.89}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"KNF\",market:\"US\",,,undefined,":[],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"KNF\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.3636,"buy":0.3636,"hold":0.1818,"sell":0.0909,"strongSell":0,"meanLabel":"BUY","meanPercent":0.3636,"analysts":11,"updateTime":1788408000000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/KNF\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"KNF","date":"2026-09-17","current":22.165679,"percent":0.258794,"low":17.175715,"twenty":21.809325,"median":25.792039,"eighty":29.454916,"high":35.98602,"avg":25.864228,"sd":3.943253,"marketCap":3157181420},"quantilePoints":[{"date":"2023-06-09","current":20.173035,"twenty":18.64209,"median":19.36572,"eighty":19.850109,"marketCap":2318083490},{"date":"2023-06-16","current":23.431832,"twenty":19.688646,"median":21.578453,"eighty":22.546739,"marketCap":2692551834},{"date":"2023-06-23","current":22.378384,"twenty":20.437874,"median":22.154404,"eighty":22.788934,"marketCap":2571500133},{"date":"2023-06-30","current":21.556301,"twenty":21.497229,"median":22.287315,"eighty":22.836191,"marketCap":2477034554},{"date":"2023-07-07","current":20.773599,"twenty":21.23436,"median":22.156865,"eighty":22.647161,"marketCap":2387094273},{"date":"2023-07-14","current":21.561224,"twenty":21.161504,"median":21.659677,"eighty":22.54477,"marketCap":2477600217},{"date":"2023-07-21","current":21.103417,"twenty":21.137875,"median":21.558763,"eighty":22.452224,"marketCap":2424993637},{"date":"2023-07-28","current":21.452925,"twenty":21.161504,"median":21.556301,"eighty":22.389214,"marketCap":2465155649},{"date":"2023-08-04","current":22.270086,"twenty":21.171349,"median":21.558763,"eighty":22.291746,"marketCap":2559055566},{"date":"2023-08-11","current":21.376273,"twenty":21.202972,"median":21.561224,"eighty":22.389214,"marketCap":2846977550},{"date":"2023-08-18","current":20.696717,"twenty":21.171349,"median":21.55384,"eighty":22.291746,"marketCap":2756471608},{"date":"2023-08-25","current":20.28049,"twenty":21.107642,"median":21.53661,"eighty":22.211014,"marketCap":2701036718},{"date":"2023-09-01","current":21.856209,"twenty":21.126204,"median":21.520679,"eighty":22.172617,"marketCap":2910897372},{"date":"2023-09-08","current":21.066226,"twenty":21.083651,"median":21.507075,"eighty":22.180494,"marketCap":2805684214},{"date":"2023-09-15","current":21.919918,"twenty":21.105529,"median":21.528644,"eighty":22.180494,"marketCap":2919382304},{"date":"2023-09-22","current":20.250759,"twenty":21.067925,"median":21.499443,"eighty":22.156865,"marketCap":2697077083},{"date":"2023-09-29","current":21.087462,"twenty":20.933712,"median":21.482453,"eighty":22.140235,"marketCap":2808512525},{"date":"2023-10-06","current":20.81564,"twenty":20.751082,"median":21.452723,"eighty":22.114198,"marketCap":2772310148},{"date":"2023-10-13","current":22.37437,"twenty":20.770792,"median":21.461319,"eighty":22.140235,"marketCap":2979908153},{"date":"2023-10-20","current":21.401756,"twenty":20.790415,"median":21.495195,"eighty":22.180494,"marketCap":2850371523},{"date":"2023-10-27","current":20.314467,"twenty":20.772663,"median":21.469712,"eighty":22.164741,"marketCap":2705562015},{"date":"2023-11-03","current":22.875543,"twenty":20.772663,"median":21.461319,"eighty":22.211014,"marketCap":3046656286},{"date":"2023-11-10","current":17.593257,"twenty":20.673783,"median":21.413544,"eighty":22.164741,"marketCap":3169970632},{"date":"2023-11-17","current":17.797319,"twenty":20.517484,"median":21.387525,"eighty":22.156865,"marketCap":3206738671},{"date":"2023-11-24","current":18.444037,"twenty":20.367133,"median":21.367779,"eighty":22.13192,"marketCap":3323265072},{"date":"2023-12-01","current":18.736002,"twenty":20.278791,"median":21.34955,"eighty":22.113653,"marketCap":3375871651},{"date":"2023-12-08","current":19.4926,"twenty":19.441848,"median":21.225941,"eighty":22.093812,"marketCap":3512196227},{"date":"2023-12-15","current":20.183271,"twenty":19.57548,"median":21.172334,"eighty":22.009959,"marketCap":3636641898},{"date":"2023-12-22","current":20.384193,"twenty":19.632618,"median":21.146646,"eighty":21.959842,"marketCap":3672844275},{"date":"2023-12-29","current":21.043469,"twenty":19.658361,"median":21.137875,"eighty":21.950498,"marketCap":3791633324},{"date":"2024-01-05","current":19.605619,"twenty":19.625711,"median":21.106057,"eighty":21.927563,"marketCap":3532560064},{"date":"2024-01-12","current":20.192689,"twenty":19.633246,"median":21.070473,"eighty":21.882542,"marketCap":3638338884},{"date":"2024-01-19","current":20.023161,"twenty":19.632618,"median":21.043469,"eighty":21.863005,"marketCap":3607793128},{"date":"2024-01-26","current":20.29315,"twenty":19.707336,"median":20.959929,"eighty":21.832805,"marketCap":3656440072},{"date":"2024-02-02","current":21.25381,"twenty":19.782682,"median":20.964292,"eighty":21.811294,"marketCap":3829532687},{"date":"2024-02-09","current":21.391944,"twenty":19.805914,"median":20.972487,"eighty":21.78825,"marketCap":3854421821},{"date":"2024-02-16","current":21.465148,"twenty":19.830401,"median":20.981281,"eighty":21.759176,"marketCap":3925975592},{"date":"2024-02-23","current":22.315835,"twenty":19.905746,"median":21.062306,"eighty":21.794618,"marketCap":4081566208},{"date":"2024-03-01","current":22.922558,"twenty":19.999301,"median":21.078967,"eighty":21.90123,"marketCap":4191894100},{"date":"2024-03-08","current":23.70531,"twenty":20.009975,"median":21.108698,"eighty":22.100061,"marketCap":4335037467},{"date":"2024-03-15","current":23.535147,"twenty":20.044509,"median":21.146646,"eighty":22.180494,"marketCap":4303919344},{"date":"2024-03-22","current":24.308617,"twenty":20.079043,"median":21.172334,"eighty":22.292594,"marketCap":4445365359},{"date":"2024-03-28","current":24.769605,"twenty":20.084694,"median":21.210631,"eighty":22.351219,"marketCap":4529667184},{"date":"2024-04-05","current":24.27563,"twenty":20.104158,"median":21.27894,"eighty":22.377629,"marketCap":4439332987},{"date":"2024-04-12","current":25.39933,"twenty":20.156109,"median":21.322851,"eighty":22.517502,"marketCap":4644826213},{"date":"2024-04-19","current":23.46768,"twenty":20.175082,"median":21.361751,"eighty":22.763058,"marketCap":4291581660},{"date":"2024-04-26","current":24.027983,"twenty":20.184527,"median":21.372026,"eighty":22.913155,"marketCap":4394045224},{"date":"2024-05-03","current":24.448983,"twenty":20.190178,"median":21.393513,"eighty":23.102539,"marketCap":4471034421},{"date":"2024-05-10","current":24.915413,"twenty":20.192689,"median":21.401756,"eighty":23.336943,"marketCap":4399140097},{"date":"2024-05-17","current":23.998439,"twenty":20.196456,"median":21.452158,"eighty":23.487002,"marketCap":4237236344},{"date":"2024-05-24","current":22.497935,"twenty":20.219372,"median":21.465148,"eighty":23.529054,"marketCap":3972302929},{"date":"2024-05-31","current":22.645421,"twenty":20.250759,"median":21.495195,"eighty":23.504683,"marketCap":3998343393},{"date":"2024-06-07","current":21.741271,"twenty":20.276242,"median":21.500124,"eighty":23.491832,"marketCap":3838704028},{"date":"2024-06-14","current":22.353656,"twenty":20.27964,"median":21.513877,"eighty":23.47251,"marketCap":3946828562},{"date":"2024-06-21","current":22.029829,"twenty":20.288086,"median":21.531813,"eighty":23.446171,"marketCap":3889652761},{"date":"2024-06-28","current":22.462667,"twenty":20.29315,"median":21.541533,"eighty":23.431832,"marketCap":3966075862},{"date":"2024-07-05","current":22.677483,"twenty":20.30822,"median":21.55384,"eighty":23.412142,"marketCap":4004004363},{"date":"2024-07-12","current":24.421658,"twenty":20.313971,"median":21.615373,"eighty":23.412142,"marketCap":4311961153},{"date":"2024-07-15","current":24.543493,"twenty":20.314467,"median":21.620296,"eighty":23.431832,"marketCap":4333472841},{"date":"2024-08-02","current":24.636473,"twenty":20.314467,"median":21.625218,"eighty":23.46051,"marketCap":4349889655},{"date":"2024-08-09","current":20.799742,"twenty":20.314467,"median":21.620296,"eighty":23.46051,"marketCap":4111214637},{"date":"2024-08-16","current":21.667591,"twenty":20.317865,"median":21.561224,"eighty":23.426909,"marketCap":4282751133},{"date":"2024-08-23","current":21.782159,"twenty":20.332585,"median":21.597418,"eighty":23.393927,"marketCap":4305396215},{"date":"2024-08-30","current":22.231837,"twenty":20.338358,"median":21.625218,"eighty":23.338277,"marketCap":4394278162},{"date":"2024-09-06","current":21.561616,"twenty":20.343381,"median":21.625218,"eighty":23.328342,"marketCap":4261804432},{"date":"2024-09-13","current":23.486352,"twenty":20.384193,"median":21.633516,"eighty":23.328342,"marketCap":4642241810},{"date":"2024-09-20","current":26.210196,"twenty":20.390917,"median":21.661933,"eighty":23.46768,"marketCap":5180628634},{"date":"2024-09-27","current":25.528519,"twenty":20.412153,"median":21.671888,"eighty":23.504683,"marketCap":5045890396},{"date":"2024-10-04","current":25.316569,"twenty":20.429142,"median":21.748285,"eighty":23.575367,"marketCap":5003996994},{"date":"2024-10-11","current":25.061656,"twenty":20.53957,"median":21.780952,"eighty":23.70531,"marketCap":4953611687},{"date":"2024-10-18","current":27.00644,"twenty":20.552312,"median":21.817202,"eighty":23.998439,"marketCap":5338011954},{"date":"2024-10-25","current":26.536713,"twenty":20.56,"median":21.864703,"eighty":24.06513,"marketCap":5245167118},{"date":"2024-10-31","current":28.378387,"twenty":20.565023,"median":21.939031,"eighty":24.208146,"marketCap":5609186811},{"date":"2024-11-08","current":28.740531,"twenty":20.566279,"median":21.997767,"eighty":24.32245,"marketCap":5722412221},{"date":"2024-11-15","current":26.917947,"twenty":20.616265,"median":22.047024,"eighty":24.423801,"marketCap":5359524782},{"date":"2024-11-22","current":28.581304,"twenty":20.63216,"median":22.081312,"eighty":24.466638,"marketCap":5690709106},{"date":"2024-11-29","current":29.428621,"twenty":20.663589,"median":22.113191,"eighty":24.552995,"marketCap":5859414967},{"date":"2024-12-06","current":29.289297,"twenty":20.691621,"median":22.144647,"eighty":24.686986,"marketCap":5831674742},{"date":"2024-12-13","current":29.900616,"twenty":20.708869,"median":22.196246,"eighty":24.922006,"marketCap":5953392057},{"date":"2024-12-20","current":28.44198,"twenty":20.718854,"median":22.260479,"eighty":25.075404,"marketCap":5662968881},{"date":"2024-12-27","current":29.610595,"twenty":20.727742,"median":22.29065,"eighty":25.175191,"marketCap":5895647098},{"date":"2025-01-03","current":28.552871,"twenty":20.745136,"median":22.323867,"eighty":25.245514,"marketCap":5685047836},{"date":"2025-01-10","current":27.933021,"twenty":20.76892,"median":22.354852,"eighty":25.316569,"marketCap":5561632139},{"date":"2025-01-17","current":29.647558,"twenty":20.773599,"median":22.37437,"eighty":25.474099,"marketCap":5903006750},{"date":"2025-01-24","current":29.448524,"twenty":20.794513,"median":22.378384,"eighty":25.488993,"marketCap":5863377856},{"date":"2025-01-31","current":30.139457,"twenty":20.811382,"median":22.4476,"eighty":25.566899,"marketCap":6000946730},{"date":"2025-02-07","current":29.712955,"twenty":20.81537,"median":22.488317,"eighty":25.908356,"marketCap":5916027672},{"date":"2025-02-14","current":28.466339,"twenty":20.829231,"median":22.501141,"eighty":26.097346,"marketCap":5741660541},{"date":"2025-02-21","current":28.446691,"twenty":20.84383,"median":22.537623,"eighty":26.524684,"marketCap":5737697651},{"date":"2025-02-28","current":26.136757,"twenty":20.862377,"median":22.581268,"eighty":26.524684,"marketCap":5271208962},{"date":"2025-03-07","current":24.817428,"twenty":20.895901,"median":22.587181,"eighty":26.524684,"marketCap":5005129249},{"date":"2025-03-14","current":24.783743,"twenty":20.93867,"median":22.601317,"eighty":26.332783,"marketCap":4998335724},{"date":"2025-03-21","current":25.499549,"twenty":20.958309,"median":22.669249,"eighty":26.354406,"marketCap":5142698122},{"date":"2025-03-28","current":26.060966,"twenty":20.961162,"median":22.677483,"eighty":26.595143,"marketCap":5255923532},{"date":"2025-04-04","current":25.443408,"twenty":20.963313,"median":22.775771,"eighty":26.595143,"marketCap":5131375581},{"date":"2025-04-11","current":25.058837,"twenty":20.974125,"median":22.83138,"eighty":26.524684,"marketCap":5053816175},{"date":"2025-04-17","current":26.125529,"twenty":20.980921,"median":22.850618,"eighty":26.512915,"marketCap":5268944454},{"date":"2025-04-25","current":26.287091,"twenty":20.985426,"median":22.87342,"eighty":26.45901,"marketCap":5301527942},{"date":"2025-05-02","current":26.382599,"twenty":20.991643,"median":22.922558,"eighty":26.384992,"marketCap":5320789745},{"date":"2025-05-09","current":29.289694,"twenty":21.012373,"median":23.035007,"eighty":26.624357,"marketCap":5289630946},{"date":"2025-05-16","current":31.281657,"twenty":21.051004,"median":23.067556,"eighty":26.785455,"marketCap":5649373438},{"date":"2025-05-23","current":30.328025,"twenty":21.063874,"median":23.219874,"eighty":26.92756,"marketCap":5477150261},{"date":"2025-05-30","current":29.524966,"twenty":21.067075,"median":23.306199,"eighty":27.048952,"marketCap":5332120217},{"date":"2025-06-06","current":28.932082,"twenty":21.073871,"median":23.340761,"eighty":27.128337,"marketCap":5225047255},{"date":"2025-06-13","current":26.726807,"twenty":21.090653,"median":23.449756,"eighty":27.183173,"marketCap":4826781157},{"date":"2025-06-20","current":24.806994,"twenty":21.103417,"median":23.489092,"eighty":27.145415,"marketCap":4480068707},{"date":"2025-06-27","current":25.569273,"twenty":21.108698,"median":23.504683,"eighty":27.130465,"marketCap":4617733945},{"date":"2025-07-03","current":25.28381,"twenty":21.13204,"median":23.550616,"eighty":27.121953,"marketCap":4566180296},{"date":"2025-07-11","current":25.337138,"twenty":21.137875,"median":23.568881,"eighty":27.119825,"marketCap":4575811197},{"date":"2025-07-18","current":24.897966,"twenty":21.151909,"median":23.637245,"eighty":27.081155,"marketCap":4496497892},{"date":"2025-07-25","current":25.569273,"twenty":21.165012,"median":23.705675,"eighty":27.061962,"marketCap":4617733945},{"date":"2025-08-01","current":25.873557,"twenty":21.171349,"median":23.748355,"eighty":27.017068,"marketCap":4672686735},{"date":"2025-08-08","current":32.500468,"twenty":21.17579,"median":23.926534,"eighty":27.081155,"marketCap":4981346745},{"date":"2025-08-15","current":33.642846,"twenty":21.203836,"median":24.027983,"eighty":27.154855,"marketCap":5156439015},{"date":"2025-08-22","current":32.415437,"twenty":21.235127,"median":24.060727,"eighty":27.427914,"marketCap":4968313987},{"date":"2025-08-29","current":29.905163,"twenty":21.251298,"median":24.201336,"eighty":27.667262,"marketCap":4583564306},{"date":"2025-09-05","current":29.054849,"twenty":21.283966,"median":24.223005,"eighty":27.939845,"marketCap":4453236727},{"date":"2025-09-12","current":29.827525,"twenty":21.31347,"median":24.283369,"eighty":28.216672,"marketCap":4571664832},{"date":"2025-09-19","current":28.208232,"twenty":21.321605,"median":24.323904,"eighty":28.347277,"marketCap":4323475789},{"date":"2025-09-26","current":26.633304,"twenty":21.337222,"median":24.413596,"eighty":28.255554,"marketCap":4082086446},{"date":"2025-10-03","current":26.729426,"twenty":21.348451,"median":24.432372,"eighty":28.255554,"marketCap":4096819129},{"date":"2025-10-10","current":24.570369,"twenty":21.355803,"median":24.456148,"eighty":28.16935,"marketCap":3765900405},{"date":"2025-10-17","current":24.215455,"twenty":21.362107,"median":24.492321,"eighty":28.136605,"marketCap":3711502807},{"date":"2025-10-24","current":23.309686,"twenty":21.363531,"median":24.450531,"eighty":28.095688,"marketCap":3572675603},{"date":"2025-10-31","current":22.156217,"twenty":21.368628,"median":24.421658,"eighty":28.022643,"marketCap":3395883408},{"date":"2025-11-07","current":27.155949,"twenty":21.374574,"median":24.427015,"eighty":27.981231,"marketCap":4027688848},{"date":"2025-11-14","current":27.129205,"twenty":21.385676,"median":24.452079,"eighty":27.962008,"marketCap":4023722356},{"date":"2025-11-21","current":26.403315,"twenty":21.393827,"median":24.517907,"eighty":27.951304,"marketCap":3916060443},{"date":"2025-11-28","current":28.282989,"twenty":21.39656,"median":24.547995,"eighty":27.966443,"marketCap":4194848134},{"date":"2025-12-05","current":28.29063,"twenty":21.399968,"median":24.570369,"eighty":28.138879,"marketCap":4195981418},{"date":"2025-12-12","current":29.990742,"twenty":21.406125,"median":24.624761,"eighty":28.279933,"marketCap":4448136952},{"date":"2025-12-19","current":28.214221,"twenty":21.413025,"median":24.706612,"eighty":28.34167,"marketCap":4184648585},{"date":"2025-12-26","current":28.065222,"twenty":21.421154,"median":24.727601,"eighty":28.319356,"marketCap":4162549560},{"date":"2026-01-02","current":26.877054,"twenty":21.451593,"median":24.748691,"eighty":28.29063,"marketCap":3986324007},{"date":"2026-01-09","current":29.593413,"twenty":21.452723,"median":24.776674,"eighty":28.351758,"marketCap":4389206220},{"date":"2026-01-16","current":30.655505,"twenty":21.452925,"median":24.817428,"eighty":28.42492,"marketCap":4546732599},{"date":"2026-01-23","current":29.016521,"twenty":21.45739,"median":24.897966,"eighty":28.471703,"marketCap":4303643331},{"date":"2026-01-30","current":26.613441,"twenty":21.46382,"median":24.923654,"eighty":28.450621,"marketCap":3947225733},{"date":"2026-02-06","current":29.127315,"twenty":21.468799,"median":24.988131,"eighty":28.471703,"marketCap":4320075939},{"date":"2026-02-13","current":31.125424,"twenty":21.488243,"median":25.037734,"eighty":28.523405,"marketCap":4616429522},{"date":"2026-02-20","current":31.834368,"twenty":21.494267,"median":25.060246,"eighty":28.569652,"marketCap":5001179202},{"date":"2026-02-27","current":32.243675,"twenty":21.496415,"median":25.096026,"eighty":28.663915,"marketCap":5064643067},{"date":"2026-03-06","current":30.31728,"twenty":21.498557,"median":25.156061,"eighty":28.755315,"marketCap":4762056426},{"date":"2026-03-13","current":28.228548,"twenty":21.500261,"median":25.178322,"eighty":28.809677,"marketCap":4433970911},{"date":"2026-03-20","current":28.849035,"twenty":21.504567,"median":25.24086,"eighty":28.857693,"marketCap":4531433275},{"date":"2026-03-27","current":31.421169,"twenty":21.515237,"median":25.256421,"eighty":28.912658,"marketCap":4935448771},{"date":"2026-04-02","current":29.621036,"twenty":21.523214,"median":25.28381,"eighty":28.932052,"marketCap":4652694588},{"date":"2026-04-10","current":30.87834,"twenty":21.530854,"median":25.289023,"eighty":28.93316,"marketCap":4850184448},{"date":"2026-04-17","current":30.296617,"twenty":21.540548,"median":25.316569,"eighty":29.054849,"marketCap":4758810741},{"date":"2026-04-24","current":31.922553,"twenty":21.548425,"median":25.338707,"eighty":29.091969,"marketCap":5014203089},{"date":"2026-05-01","current":33.440094,"twenty":21.553347,"median":25.375501,"eighty":29.100499,"marketCap":5252569280},{"date":"2026-05-08","current":34.348532,"twenty":21.55827,"median":25.418699,"eighty":29.121791,"marketCap":5035769554},{"date":"2026-05-15","current":30.957422,"twenty":21.561381,"median":25.446932,"eighty":29.152748,"marketCap":4538605784},{"date":"2026-05-22","current":28.510869,"twenty":21.573073,"median":25.465221,"eighty":29.152748,"marketCap":4179921420},{"date":"2026-05-29","current":30.485145,"twenty":21.593122,"median":25.478395,"eighty":29.163765,"marketCap":4469366081},{"date":"2026-06-05","current":29.664465,"twenty":21.606738,"median":25.48842,"eighty":29.223172,"marketCap":4349047908},{"date":"2026-06-12","current":29.389615,"twenty":21.617342,"median":25.505441,"eighty":29.230787,"marketCap":4308752671},{"date":"2026-06-18","current":32.308447,"twenty":21.625218,"median":25.535087,"eighty":29.289297,"marketCap":4736676738},{"date":"2026-06-26","current":35.962793,"twenty":21.641814,"median":25.569273,"eighty":29.381873,"marketCap":5272433129},{"date":"2026-07-02","current":32.08005,"twenty":21.656104,"median":25.575341,"eighty":29.410692,"marketCap":4703191963},{"date":"2026-07-10","current":30.314815,"twenty":21.661482,"median":25.60652,"eighty":29.445681,"marketCap":4444394385},{"date":"2026-07-17","current":32.3549,"twenty":21.664454,"median":25.662142,"eighty":29.454387,"marketCap":4743487200},{"date":"2026-07-24","current":30.05932,"twenty":21.66709,"median":25.692004,"eighty":29.519947,"marketCap":4406936840},{"date":"2026-07-31","current":28.278601,"twenty":21.672747,"median":25.719339,"eighty":29.526366,"marketCap":4145869107},{"date":"2026-08-07","current":27.394047,"twenty":21.715236,"median":25.771837,"eighty":29.526366,"marketCap":3832098484},{"date":"2026-08-14","current":26.748861,"twenty":21.745479,"median":25.795973,"eighty":29.521202,"marketCap":3741844646},{"date":"2026-08-21","current":26.765092,"twenty":21.764621,"median":25.873557,"eighty":29.510926,"marketCap":3744115183},{"date":"2026-08-28","current":27.012616,"twenty":21.778052,"median":25.893785,"eighty":29.484999,"marketCap":3778740869},{"date":"2026-09-04","current":25.210964,"twenty":21.781193,"median":25.873557,"eighty":29.468689,"marketCap":3526711284},{"date":"2026-09-11","current":23.202364,"twenty":21.792238,"median":25.801407,"eighty":29.46226,"marketCap":3245732355},{"date":"2026-09-17","current":22.569351,"twenty":21.809325,"median":25.792039,"eighty":29.454916,"marketCap":3157181420}],"updateTime":1789737930837},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"KNF\",pageSize:20,pageCount:2,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"19991363","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552025000038-KNF","pdf_url":"","pub_time":1747259075000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form CORRESP - Correspondence","symbol":"KNF","title":"Form CORRESP - Correspondence","titleType":"Correspondence","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1955520/0001955520-25-000038-index.html","us_notice_code":"Form CORRESP","us_title_en":"Form CORRESP - Correspondence","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000038/filename1.htm","primary":true,"translateUrl":"","linkName":"filename1.htm","type":"CORRESP","id":"NTFILECBvaCZoFqcAuKNBn","market":"us","size":55777},{"description":"KNIFE RIVER CORPORATION LOGO","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000038/image.jpg","primary":false,"translateUrl":"","linkName":"image.jpg","type":"GRAPHIC","id":"NTFILE7e4dZN9rPnPnYXpH","market":"us","size":14414}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Correspondence","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Correspondence","pubTime":"2025-05-15 05:44","pubTimestamp":1747259075,"title_zh":"Form CORRESP - Correspondence","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19605781","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552025000034-KNF","pdf_url":"","pub_time":1746504000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"KNF","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000034/0001955520-25-000034-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":"KNIFE RIVER FORM 10-Q 03-31-2025","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000034/knf-20250331.htm","primary":true,"translateUrl":"","linkName":"knf-20250331.htm","type":"10-Q","id":"NTFILECw97BpmDNgsHkWDp","market":"us","size":1432175},{"description":"KNIFE RIVER RESTRICTIVE STOCK UNIT AWARD AGREEMENT","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000034/a2025q1ex102.htm","primary":false,"translateUrl":"","linkName":"a2025q1ex102.htm","type":"EX-10.2","id":"NTFILE7YxnoKghQBQuwUZ6","market":"us","size":57323},{"description":"KNIFE RIVER PERFORMANCE STOCK UNIT AWARD AGREEMENT","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000034/a2025q1ex103.htm","primary":false,"translateUrl":"","linkName":"a2025q1ex103.htm","type":"EX-10.3","id":"NTFILE5ugA1V1B9dddFtyW","market":"us","size":47385},{"description":"KNIFE RIVER 401(K) RETIREMENT PLAN","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000034/a2025q1ex104.htm","primary":false,"translateUrl":"","linkName":"a2025q1ex104.htm","type":"EX-10.4","id":"NTFILELAS4QiBddFsufTyF","market":"us","size":10015},{"description":"KNIFE RIVER SECTION 16 OFFICERS AND DIRECTORS","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000034/a2025q1ex105.htm","primary":false,"translateUrl":"","linkName":"a2025q1ex105.htm","type":"EX-10.5","id":"NTFILEDCrsGrwgWpz1WGYd","market":"us","size":20487},{"description":"KNIFE RIVER DIRECTOR AND/OR EXECUTIVE OFFICER INDEMNIFICATION AGREEMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000034/a2025q1ex106.htm","primary":false,"translateUrl":"","linkName":"a2025q1ex106.htm","type":"EX-10.6","id":"NTFILEEzpBXBcqr9n1ktgK","market":"us","size":189919},{"description":"KNIFE RIVER CERTIFICATION OF CHIEF EXECUTIVE OFFICER","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000034/a2025q1ex311.htm","primary":false,"translateUrl":"","linkName":"a2025q1ex311.htm","type":"EX-31.1","id":"NTFILEjc9w3QVzQqMxDyui","market":"us","size":9162},{"description":"KNIFE RIVER CERTIFICATION OF CHIEF FINANCIAL OFFICER","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000034/a2025q1ex312.htm","primary":false,"translateUrl":"","linkName":"a2025q1ex312.htm","type":"EX-31.2","id":"NTFILEDkXbFrCNgZWPAM4M","market":"us","size":8808},{"description":"KNIFE RIVER CERTIFICATION OF CEO AND CFO","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000034/a2025q1ex32.htm","primary":false,"translateUrl":"","linkName":"a2025q1ex32.htm","type":"EX-32","id":"NTFILE5nyUxTzW345xP9Pz","market":"us","size":5323},{"description":"KNIFE RIVER MINE SAFETY DISCLOSURES","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000034/a2025q1ex95.htm","primary":false,"translateUrl":"","linkName":"a2025q1ex95.htm","type":"EX-95","id":"NTFILEHmNhYbTVcL4FC1V9","market":"us","size":31484}],"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":"2025-05-06 12:00","pubTimestamp":1746504000,"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":"19604023","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552025000031-KNF","pdf_url":"","pub_time":1746504000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"KNF","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000031/0001955520-25-000031-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":"KNIFE RIVER CORPORATION EX-99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000031/a2025q1ex99.htm","primary":true,"translateUrl":"","linkName":"a2025q1ex99.htm","type":"EX-99","id":"NTFILEBAg85MRMDL3nLZAq","market":"us","size":360768},{"description":"KNIFE RIVER CORPORATION FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000031/knf-20250506.htm","primary":false,"translateUrl":"","linkName":"knf-20250506.htm","type":"8-K","id":"NTFILEE81YCnbw5Vwx5Box","market":"us","size":23664},{"description":"KNIFE RIVER CORPORATION LOGO","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000031/earnings_releasexheadercopy.jpg","primary":false,"translateUrl":"","linkName":"earnings_releasexheadercopy.jpg","type":"GRAPHIC","id":"NTFILE5ZmWt5SKPEhCtMzS","market":"us","size":485846}],"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":"2025-05-06 12:00","pubTimestamp":1746504000,"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":"19316464","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552025000016-KNF","pdf_url":"","pub_time":1743134400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"KNF","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000016/0001955520-25-000016-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/1955520/000195552025000016/a2025ex99segmentreorganiza.htm","primary":true,"translateUrl":"","linkName":"a2025ex99segmentreorganiza.htm","type":"EX-99","id":"NTFILE9pZgTA4JA5kP4piM","market":"us","size":396630},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000016/knf-20250328.htm","primary":false,"translateUrl":"","linkName":"knf-20250328.htm","type":"8-K","id":"NTFILE2M1ZX1T7K3TgW8qU","market":"us","size":26658}],"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":"2025-03-28 12:00","pubTimestamp":1743134400,"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":"19222451","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552025000013-KNF","pdf_url":"","pub_time":1741579200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"KNF","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000013/0001955520-25-000013-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant;\nItem 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-10.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000013/exhibit101-firstamendment.htm","primary":true,"translateUrl":"","linkName":"exhibit101-firstamendment.htm","type":"EX-10.1","id":"NTFILEzLBNDYV5M6oUK5ot","market":"us","size":3060926},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000013/knf-20250307.htm","primary":false,"translateUrl":"","linkName":"knf-20250307.htm","type":"8-K","id":"NTFILE7QNi9YXsQXuVahy4","market":"us","size":32953},{"description":"EX-99.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000013/exhibit991-pressreleasedat.htm","primary":false,"translateUrl":"","linkName":"exhibit991-pressreleasedat.htm","type":"EX-99.1","id":"NTFILEBSgDzXP4XDuCxCTg","market":"us","size":16659},{"description":"EXHIBIT 99 GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000013/pressrelease.jpg","primary":false,"translateUrl":"","linkName":"pressrelease.jpg","type":"GRAPHIC","id":"NTFILE47d24Acvjhjncpqa","market":"us","size":20076}],"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":"2025-03-10 12:00","pubTimestamp":1741579200,"title_zh":"Form 8-K - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant;\nItem 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":"19134951","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552025000010-KNF","pdf_url":"","pub_time":1740114000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"KNF","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/1955520/000195552025000010/0001955520-25-000010-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":"KNIFE RIVER FORM 10-K 2024","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000010/knf-20241231.htm","primary":true,"translateUrl":"","linkName":"knf-20241231.htm","type":"10-K","id":"NTFILEFixVWd9NdDz3s1aM","market":"us","size":3417788},{"description":"KNIFE RIVER 401(K) RETIREMENT PLAN","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000010/a2024ex1018.htm","primary":false,"translateUrl":"","linkName":"a2024ex1018.htm","type":"EX-10.18","id":"NTFILE4gmAD2GMbzGjYi95","market":"us","size":12353},{"description":"KNIFE RIVER INSIDER TRADING POLICY","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000010/a2024ex19.htm","primary":false,"translateUrl":"","linkName":"a2024ex19.htm","type":"EX-19","id":"NTFILE3TYBjdXPvtr4L2b4","market":"us","size":65497},{"description":"KNIFE RIVER CORPORATION LIST OF SUBSIDIARIES","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000010/a2024ex21.htm","primary":false,"translateUrl":"","linkName":"a2024ex21.htm","type":"EX-21","id":"NTFILE76A5BzyQyy6hzJo4","market":"us","size":27221},{"description":"KNIFE RIVER AUDITOR CONSENT","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000010/a2024ex23.htm","primary":false,"translateUrl":"","linkName":"a2024ex23.htm","type":"EX-23","id":"NTFILED4TaZSeJhgykZpCZ","market":"us","size":2041},{"description":"KNIFE RIVER CERTIFICATION OF CHIEF EXECUTIVE OFFICER","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000010/a2024q4ex311.htm","primary":false,"translateUrl":"","linkName":"a2024q4ex311.htm","type":"EX-31.1","id":"NTFILEjxuaRN3ZkYUFJ6eH","market":"us","size":9165},{"description":"KNIFE RIVER CERTIFICATION OF CHIEF FINANCIAL OFFICER","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000010/a2024q4ex312.htm","primary":false,"translateUrl":"","linkName":"a2024q4ex312.htm","type":"EX-31.2","id":"NTFILE256Qweg4STY6hjbR","market":"us","size":8812},{"description":"KNIFE RIVER CERTIFICATION OF CEO AND CFO","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000010/a2024q4ex32.htm","primary":false,"translateUrl":"","linkName":"a2024q4ex32.htm","type":"EX-32","id":"NTFILE7yKXBmYTujfMbARX","market":"us","size":5326},{"description":"KNIFE RIVER MINE SAFETY DISCLOSURES","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000010/a2024q4ex95.htm","primary":false,"translateUrl":"","linkName":"a2024q4ex95.htm","type":"EX-95","id":"NTFILE25MQYndD8SvxSx6H","market":"us","size":141824},{"description":"KNIFE RIVER PROPERTIES MAP","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000010/knf-20241231_g1.jpg","primary":false,"translateUrl":"","linkName":"knf-20241231_g1.jpg","type":"GRAPHIC","id":"NTFILE6veocsPrHejz243a","market":"us","size":194190}],"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":"2025-02-21 13:00","pubTimestamp":1740114000,"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":"19134942","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552025000006-KNF","pdf_url":"","pub_time":1739422800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"KNF","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000006/0001955520-25-000006-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":"KNIFE RIVER CORPORATION EX-99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000006/a2024q4ex99.htm","primary":true,"translateUrl":"","linkName":"a2024q4ex99.htm","type":"EX-99","id":"NTFILEG5L2DTySTBPmWyzH","market":"us","size":475676},{"description":"KNIFE RIVER CORPORATION 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000006/knf-20250213.htm","primary":false,"translateUrl":"","linkName":"knf-20250213.htm","type":"8-K","id":"NTFILE6R2fSutPTiArpV6U","market":"us","size":23718},{"description":"KNIFE RIVER CORPORATION LOGO","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000006/earnings_releasexheadercopy.jpg","primary":false,"translateUrl":"","linkName":"earnings_releasexheadercopy.jpg","type":"GRAPHIC","id":"NTFILEDaq8wj2L36THuHq9","market":"us","size":485846}],"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":"2025-02-13 13:00","pubTimestamp":1739422800,"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":"19054726","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552025000003-KNF","pdf_url":"","pub_time":1737090000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"KNF","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1955520/000195552025000003/0001955520-25-000003-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 9.01: Financial Statements and Exhibits","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/1955520/000195552025000003/knf-20250117.htm","primary":true,"translateUrl":"","linkName":"knf-20250117.htm","type":"8-K","id":"NTFILEJ8KkpFHbS6DnTUjJ","market":"us","size":23002}],"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":"2025-01-17 13:00","pubTimestamp":1737090000,"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 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18983799","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552024000054-KNF","pdf_url":"","pub_time":1734997105000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"KNF","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1955520/0001955520-24-000054-index.html","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-2.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000054/exhibit21-assetandequitypu.htm","primary":true,"translateUrl":"","linkName":"exhibit21-assetandequitypu.htm","type":"EX-2.1","id":"NTFILE24AjRrs2Fn6Lqq1Z","market":"us","size":1120865},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000054/knf-20241220.htm","primary":false,"translateUrl":"","linkName":"knf-20241220.htm","type":"8-K","id":"NTFILEBzBWRp3hKgZY2mtC","market":"us","size":50178}],"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":"2024-12-24 07:38","pubTimestamp":1734997105,"title_zh":"Form 8-K - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18793421","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552024000051-KNF","pdf_url":"","pub_time":1730696400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"KNF","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000051/0001955520-24-000051-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":"KNIFE RIVER FORM 10-Q 09-30-2024","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000051/knf-20240930.htm","primary":true,"translateUrl":"","linkName":"knf-20240930.htm","type":"10-Q","id":"NTFILEEf3vmhZZb8hXhf6o","market":"us","size":2299198},{"description":"KNIFE RIVER CERTIFICATION OF CHIEF EXECUTIVE OFFICER","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000051/a2024q3ex31a.htm","primary":false,"translateUrl":"","linkName":"a2024q3ex31a.htm","type":"EX-31.A","id":"NTFILEv7fh5SRL8PNSrBas","market":"us","size":9170},{"description":"KNIFE RIVER CERTIFICATION OF CHIEF FINANCIAL OFFICER","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000051/a2024q3ex31b.htm","primary":false,"translateUrl":"","linkName":"a2024q3ex31b.htm","type":"EX-31.B","id":"NTFILECDtCBy5W13cqaULz","market":"us","size":8817},{"description":"KNIFE RIVER CERTIFICATION OF CEO AND CFO","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000051/a2024q3ex32.htm","primary":false,"translateUrl":"","linkName":"a2024q3ex32.htm","type":"EX-32","id":"NTFILEFm1fzpKboaj6ZJEc","market":"us","size":5332},{"description":"KNIFE RIVER MINE SAFETY DISCLOSURES","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000051/a2024q3ex95.htm","primary":false,"translateUrl":"","linkName":"a2024q3ex95.htm","type":"EX-95","id":"NTFILE3C76LFpKLGsS19ER","market":"us","size":44353}],"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":"2024-11-04 13:00","pubTimestamp":1730696400,"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":"18791687","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552024000049-KNF","pdf_url":"","pub_time":1730696400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"KNF","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000049/0001955520-24-000049-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":"KNIFE RIVER CORPORATION EX 99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000049/a2024q3ex99.htm","primary":true,"translateUrl":"","linkName":"a2024q3ex99.htm","type":"EX-99","id":"NTFILEDZsoCa2vxMLKcSDu","market":"us","size":730742},{"description":"KNIFE RIVER CORPORATION FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000049/knf-20241104.htm","primary":false,"translateUrl":"","linkName":"knf-20241104.htm","type":"8-K","id":"NTFILEGsFfP4BCXh2PARek","market":"us","size":23679},{"description":"KNIFE RIVER CORPORATION LOGO","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000049/earnings_releasexheadercopy.jpg","primary":false,"translateUrl":"","linkName":"earnings_releasexheadercopy.jpg","type":"GRAPHIC","id":"NTFILEyDKNccfrNYd7hfRS","market":"us","size":485846}],"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":"2024-11-04 13:00","pubTimestamp":1730696400,"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":"18500212","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552024000045-KNF","pdf_url":"","pub_time":1724212800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"KNF","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000045/0001955520-24-000045-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 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-10.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000045/exhibit101-changeinctrlsev.htm","primary":true,"translateUrl":"","linkName":"exhibit101-changeinctrlsev.htm","type":"EX-10.1","id":"NTFILEE7LLRiX6wy7B4D1v","market":"us","size":132492},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000045/knf-20240820.htm","primary":false,"translateUrl":"","linkName":"knf-20240820.htm","type":"8-K","id":"NTFILE6hce7LTxiycB9mxF","market":"us","size":30746}],"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":"2024-08-21 12:00","pubTimestamp":1724212800,"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 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18455113","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552024000040-KNF","pdf_url":"","pub_time":1722916800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"KNF","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000040/0001955520-24-000040-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":"KNIFE RIVER FORM 10-Q 06-30-2024","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000040/knf-20240630.htm","primary":true,"translateUrl":"","linkName":"knf-20240630.htm","type":"10-Q","id":"NTFILEJ44XvEmF1ceQSoTq","market":"us","size":2201203},{"description":"KNIFE RIVER CERTIFICATION OF CHIEF EXECUTIVE OFFICER","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000040/a2024q2ex31a.htm","primary":false,"translateUrl":"","linkName":"a2024q2ex31a.htm","type":"EX-31.A","id":"NTFILE3PjwHTQkBQh9m62t","market":"us","size":9168},{"description":"KNIFE RIVER CERTIFICATION OF CHIEF FINANCIAL OFFICER","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000040/a2024q2ex31b.htm","primary":false,"translateUrl":"","linkName":"a2024q2ex31b.htm","type":"EX-31.B","id":"NTFILEExwteEk3vJ6X9Gc8","market":"us","size":8815},{"description":"KNIFE RIVER CERTIFICATION OF CEO AND CFO","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000040/a2024q2ex32.htm","primary":false,"translateUrl":"","linkName":"a2024q2ex32.htm","type":"EX-32","id":"NTFILE8V4Zjoz6YUSCeMSt","market":"us","size":5325},{"description":"KNIFE RIVER MINE SAFETY DISCLOSURES","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000040/a2024q2ex95.htm","primary":false,"translateUrl":"","linkName":"a2024q2ex95.htm","type":"EX-95","id":"NTFILEqrU6jdcY7j3GvdTo","market":"us","size":30361},{"description":"KNIFE RIVER CORPORATION DIRECTOR COMPENSATION POLICY","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000040/a2024ex10a.htm","primary":false,"translateUrl":"","linkName":"a2024ex10a.htm","type":"EX-10.A","id":"NTFILEDyhXDfYSocitptk4","market":"us","size":14475},{"description":"FORM OF KNIFE RIVER CORPORATION RESTRICTED STOCK UNIT AWARD AGREEMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000040/a2024ex10b.htm","primary":false,"translateUrl":"","linkName":"a2024ex10b.htm","type":"EX-10.B","id":"NTFILEJE85HoNV98KZFMdq","market":"us","size":32284},{"description":"KNIFE RIVER SECTION 16 OFFICERS AND DIRECTORS","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000040/a2024ex10c.htm","primary":false,"translateUrl":"","linkName":"a2024ex10c.htm","type":"EX-10.C","id":"NTFILEFTZeWzmM9sY3BkKp","market":"us","size":16629}],"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":"18454819","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552024000037-KNF","pdf_url":"","pub_time":1722916800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"KNF","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000037/0001955520-24-000037-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":"KNIFE RIVER CORPORATION EX 99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000037/a2024q2ex99.htm","primary":true,"translateUrl":"","linkName":"a2024q2ex99.htm","type":"EX-99","id":"NTFILE6W5pYTowtvRntD8Y","market":"us","size":725835},{"description":"KNIFE RIVER CORPORATION FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000037/knf-20240806.htm","primary":false,"translateUrl":"","linkName":"knf-20240806.htm","type":"8-K","id":"NTFILE8vrogxFVVAnPjnqn","market":"us","size":23673},{"description":"KNIFE RIVER CORPORATION LOGO","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000037/earnings_releasexheadercopy.jpg","primary":false,"translateUrl":"","linkName":"earnings_releasexheadercopy.jpg","type":"GRAPHIC","id":"NTFILE5gD9xNP2ZZnM1HR2","market":"us","size":485846}],"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":"2024-08-06 12:00","pubTimestamp":1722916800,"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":"18316755","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552024000034-KNF","pdf_url":"","pub_time":1719460800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"KNF","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000034/0001955520-24-000034-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 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":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000034/exhibit991-chiodoappointme.htm","primary":true,"translateUrl":"","linkName":"exhibit991-chiodoappointme.htm","type":"EX-99.1","id":"NTFILE66HcVW31WD6i6T5y","market":"us","size":7177},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000034/knf-20240627.htm","primary":false,"translateUrl":"","linkName":"knf-20240627.htm","type":"8-K","id":"NTFILE5EjX2eJi6fdMR1EM","market":"us","size":26267},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000034/pressrelease.jpg","primary":false,"translateUrl":"","linkName":"pressrelease.jpg","type":"GRAPHIC","id":"NTFILE9iGLMcw79tn1xMRm","market":"us","size":20076}],"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":"2024-06-27 12:00","pubTimestamp":1719460800,"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 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":"18258840","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552024000032-KNF","pdf_url":"","pub_time":1718078400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","symbol":"KNF","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/1955520/000195552024000032/0001955520-24-000032-index.htm","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":"KNIFE RIVER CORPORATION FORM 11-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000032/a2023form11-k.htm","primary":true,"translateUrl":"","linkName":"a2023form11-k.htm","type":"11-K","id":"NTFILEEUr5eXXDw8ab3YkN","market":"us","size":188032},{"description":"CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000032/a2023form11-kex23.htm","primary":false,"translateUrl":"","linkName":"a2023form11-kex23.htm","type":"EX-23","id":"NTFILEHrmNKfddjz9oSRMt","market":"us","size":2034}],"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":"2024-06-11 12:00","pubTimestamp":1718078400,"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":"18163074","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552024000028-KNF","pdf_url":"","pub_time":1715918400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"KNF","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000028/0001955520-24-000028-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 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":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000028/knf-20240514.htm","primary":true,"translateUrl":"","linkName":"knf-20240514.htm","type":"8-K","id":"NTFILE8SnDND5D2GCm3QQ4","market":"us","size":41151}],"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":"2024-05-17 12:00","pubTimestamp":1715918400,"title_zh":"Form 8-K - Current report","summary_en":"Item 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},{"cdn_pdf":false,"hasAttachments":true,"id":"18110488","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552024000026-KNF","pdf_url":"","pub_time":1715054400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"KNF","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000026/0001955520-24-000026-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":null,"gpt_en_title":null,"attachments":[{"description":"KNIFE RIVER FORM 10-Q 03-31-2024","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000026/knf-20240331.htm","primary":true,"translateUrl":"","linkName":"knf-20240331.htm","type":"10-Q","id":"NTFILEAc2EWQEA7jFWNcWT","market":"us","size":1600313},{"description":"KNIFE RIVER CERTIFICATION OF CHIEF EXECUTIVE OFFICER","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000026/a2024q1ex31a.htm","primary":false,"translateUrl":"","linkName":"a2024q1ex31a.htm","type":"EX-31.A","id":"NTFILE2CuQz7YhMXbYDEsm","market":"us","size":9165},{"description":"KNIFE RIVER CERTIFICATION OF CHIEF FINANCIAL OFFICER","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000026/a2024q1ex31b.htm","primary":false,"translateUrl":"","linkName":"a2024q1ex31b.htm","type":"EX-31.B","id":"NTFILEDTXzfSuuB9yjdddq","market":"us","size":8812},{"description":"KNIFE RIVER CERTIFICATION OF CEO AND CFO","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000026/a2024q1ex32.htm","primary":false,"translateUrl":"","linkName":"a2024q1ex32.htm","type":"EX-32","id":"NTFILE4te8LfvVc1UEPoPd","market":"us","size":5323},{"description":"KNIFE RIVER MINE SAFETY DISCLOSURES","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000026/a2024q1ex95.htm","primary":false,"translateUrl":"","linkName":"a2024q1ex95.htm","type":"EX-95","id":"NTFILEJ7a27dd5oK8e7Cog","market":"us","size":52985}],"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":"2024-05-07 12:00","pubTimestamp":1715054400,"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":"18108886","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552024000022-KNF","pdf_url":"","pub_time":1715054400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"KNF","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000022/0001955520-24-000022-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":"KNIFE RIVER CORPORATION EX 99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000022/a2024q1ex99.htm","primary":true,"translateUrl":"","linkName":"a2024q1ex99.htm","type":"EX-99","id":"NTFILEFgCXo233zgNVEiZT","market":"us","size":500066},{"description":"KNIFE RIVER CORPORATION FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000022/knf-20240507.htm","primary":false,"translateUrl":"","linkName":"knf-20240507.htm","type":"8-K","id":"NTFILE6JfMLpm6p1s2ofAy","market":"us","size":23659},{"description":"KNIFE RIVER CORPORATION LOGO","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000022/earnings_releasexheadercopya.jpg","primary":false,"translateUrl":"","linkName":"earnings_releasexheadercopya.jpg","type":"GRAPHIC","id":"NTFILEGvyQ8mKpSkmFAAei","market":"us","size":485846}],"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":"2024-05-07 12:00","pubTimestamp":1715054400,"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":"17640548","market":"us","labels":[],"media":"sec.gov","original_id":"AN195552024000007-KNF","pdf_url":"","pub_time":1709010000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"KNF","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/1955520/000195552024000007/0001955520-24-000007-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":null,"gpt_en_title":null,"attachments":[{"description":"KNIFE RIVER FORM 10-K 2023","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000007/knf-20231231.htm","primary":true,"translateUrl":"","linkName":"knf-20231231.htm","type":"10-K","id":"NTFILEHY9JK4SixZGRGD8Y","market":"us","size":3581407},{"description":"KNIFE RIVER CORPORATION DESCRIPTION OF SECURITIES REGISTERED","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000007/a2023ex43.htm","primary":false,"translateUrl":"","linkName":"a2023ex43.htm","type":"EX-4.3","id":"NTFILEHKyJqrUWdxNLE6yz","market":"us","size":29728},{"description":"KNIFE RIVER RESTRICTED STOCK AWARD AGREEMENT","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000007/a2023ex107.htm","primary":false,"translateUrl":"","linkName":"a2023ex107.htm","type":"EX-10.7","id":"NTFILE7f527i3V6yF8dTis","market":"us","size":37656},{"description":"KNIFE RIVER FORM OF PERFORMANCE SHARE AWARD AGREEMENT","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000007/a2023ex108.htm","primary":false,"translateUrl":"","linkName":"a2023ex108.htm","type":"EX-10.8","id":"NTFILEDrxyGTYhdvfY2ioe","market":"us","size":29408},{"description":"KNIFE RIVER 401(K) RETIREMENT PLAN","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000007/a2023ex1016.htm","primary":false,"translateUrl":"","linkName":"a2023ex1016.htm","type":"EX-10.16","id":"NTFILE4dhEGe6gNk65fEvQ","market":"us","size":9459},{"description":"KNIFE RIVER CORPORATION LIST OF SUBSIDIARIES","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000007/a2023ex21.htm","primary":false,"translateUrl":"","linkName":"a2023ex21.htm","type":"EX-21","id":"NTFILEeYMWBUK5eCGHPeFR","market":"us","size":24945},{"description":"KNIFE RIVER AUDITOR CONSENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000007/a2023ex23.htm","primary":false,"translateUrl":"","linkName":"a2023ex23.htm","type":"EX-23","id":"NTFILEE5fpVpjvHYWn115h","market":"us","size":1944},{"description":"KNIFE RIVER CORPORATION INCENTIVE COMPENSATION RECOVERY POLICY","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000007/a2023ex97.htm","primary":false,"translateUrl":"","linkName":"a2023ex97.htm","type":"EX-97","id":"NTFILEA7Z8veuNB78TUho9","market":"us","size":33037},{"description":"KNIFE RIVER CERTIFICATION OF CHIEF EXECUTIVE OFFICER","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000007/a2023q4ex31a.htm","primary":false,"translateUrl":"","linkName":"a2023q4ex31a.htm","type":"EX-31.1","id":"NTFILE6Bks6YKaqdWKQqiB","market":"us","size":9174},{"description":"KNIFE RIVER CERTIFICATION OF CHIEF FINANCIAL OFFICER","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000007/a2023q4ex31b.htm","primary":false,"translateUrl":"","linkName":"a2023q4ex31b.htm","type":"EX-31.2","id":"NTFILE7VxeJsp6LC1trAJP","market":"us","size":8816},{"description":"KNIFE RIVER CERTIFICATION OF CEO AND CFO","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000007/a2023q4ex32.htm","primary":false,"translateUrl":"","linkName":"a2023q4ex32.htm","type":"EX-32","id":"NTFILEGWLfZbPvFymJ6uQe","market":"us","size":5327},{"description":"KNIFE RIVER MINE SAFETY DISCLOSURES","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000007/a2023q4ex95.htm","primary":false,"translateUrl":"","linkName":"a2023q4ex95.htm","type":"EX-95","id":"NTFILE8tbCtftHowuqvcZ1","market":"us","size":144087},{"description":"KNIFE RIVER PROPERTIES MAP","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1955520/000195552024000007/knf-20231231_g1.jpg","primary":false,"translateUrl":"","linkName":"knf-20231231_g1.jpg","type":"GRAPHIC","id":"NTFILE3Nz7zvZTf2yK6DwJ","market":"us","size":759443}],"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":"2024-02-27 13:00","pubTimestamp":1709010000,"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}],"pageSize":20,"totalPage":3,"pageCount":2,"totalSize":55,"code":"91000000","status":"200"}]}}