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Each RSU represents the contingent right to receive one share of the issuer's common stock."}],"balance_after":28739,"source":{"system":"sec-edgar","filing":"0001225208-24-002952","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1955520/000122520824002952/doc4.xml","form_type":"4"}},{"id":1829977,"issuer":{"id":4128,"kind":"organization","name":"Knife River Corp"},"owners":[{"id":82548,"kind":"person","name":"Christenson Nancy K.","position":1,"cik":"0001974711","reported_name":"Christenson Nancy K.","relationship":{"officer":true,"officer_title":"VP of Administration"}}],"security":"Common Stock","published_at":"2023-07-13T21:18:30.000Z","date":"2023-07-12","kind":"grant","planned":false,"acquired":true,"shares":4146,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (RSUs) that vest on December 31, 2025, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 10,737 shares of the issuer's common stock, 3,361 RSUs that vest on December 31, 2023, 3,935 RSUs that vest on December 31, 2024, and 4,407 RSUs that vest on December 31, 2025, provided, in each case, that the reporting person remains employed by the issuer as of the applicable vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock. Such RSUs were converted from certain previously granted equity-based awards of MDU Resources Group, Inc., the issuer's former parent company, in connection with approximately 90% of the issuer's outstanding common stock being distributed to shareholders of MDU Resources Group, Inc. on May 31, 2023."}],"balance_after":26586,"source":{"system":"sec-edgar","filing":"0001225208-23-007501","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1955520/000122520823007501/doc4.xml","form_type":"4"}}]}