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Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 10, 2021."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 10, 2021."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. 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Shares will be delivered within 30 days of vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The Restricted Stock Units vested on July 3, 2023. Shares will be delivered within 30 days of vesting."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"951 Restricted Stock Units vest on October 2, 2023; and 952 Restricted Stock Units vest on January 2, 2024. SFNC shares will be delivered within 30 days of vesting. Events such as retirement, death, disability, and other specified events in the award agreement may result in earlier vesting."}],"balance_after":1903,"derivative":{"exercise_price":17.61,"underlying":"SFNC Common Stock","underlying_shares":951},"source":{"system":"sec-edgar","filing":"0001171843-23-004376","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/90498/000117184323004376/ownership.xml","form_type":"4"}},{"id":1834788,"issuer":{"id":4185,"kind":"organization","name":"SIMMONS FIRST NATIONAL CORP","symbol":"SFNC"},"owners":[{"id":33575,"kind":"person","name":"West Malynda K","position":1,"cik":"0001381734","reported_name":"West Malynda K","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"SFNC Common Stock","published_at":"2023-07-06T17:04:54.000Z","date":"2023-07-03","kind":"exercise","planned":false,"acquired":true,"shares":951,"price":17.61,"value":16747.11,"ownership":{"direct":true},"balance_after":15191,"source":{"system":"sec-edgar","filing":"0001171843-23-004376","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/90498/000117184323004376/ownership.xml","form_type":"4"}},{"id":1866406,"issuer":{"id":1923,"kind":"organization","name":"Murphy USA Inc.","symbol":"MUSA"},"owners":[{"id":33575,"kind":"person","name":"West Malynda K","position":1,"cik":"0001381734","reported_name":"West Malynda K","relationship":{"officer":true,"officer_title":"EVP, Fuels, CFO & Treasurer"}}],"security":"Dividend Equivalent Units","published_at":"2023-06-05T22:18:29.000Z","date":"2023-06-01","kind":"grant","planned":false,"acquired":true,"shares":1.696,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 8, 2023."},{"field":"shares","element":"transactionShares","label":"F5","text":"Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 8, 2023."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 8, 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 8, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 8, 2023."}],"balance_after":5.519,"derivative":{"underlying":"Common Stock","underlying_shares":1.696},"source":{"system":"sec-edgar","filing":"0001127602-23-017918","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1381734/000112760223017918/form4.xml","form_type":"4"}},{"id":1866405,"issuer":{"id":1923,"kind":"organization","name":"Murphy USA Inc.","symbol":"MUSA"},"owners":[{"id":33575,"kind":"person","name":"West Malynda K","position":1,"cik":"0001381734","reported_name":"West Malynda K","relationship":{"officer":true,"officer_title":"EVP, Fuels, CFO & Treasurer"}}],"security":"Dividend Equivalent Units","published_at":"2023-06-05T22:18:29.000Z","date":"2023-06-01","kind":"grant","planned":false,"acquired":true,"shares":2.114,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. 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Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 9, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 9, 2022."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 9, 2022."}],"balance_after":3.823,"derivative":{"underlying":"Common Stock","underlying_shares":2.114},"source":{"system":"sec-edgar","filing":"0001127602-23-017918","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1381734/000112760223017918/form4.xml","form_type":"4"}},{"id":1866404,"issuer":{"id":1923,"kind":"organization","name":"Murphy USA Inc.","symbol":"MUSA"},"owners":[{"id":33575,"kind":"person","name":"West Malynda K","position":1,"cik":"0001381734","reported_name":"West Malynda K","relationship":{"officer":true,"officer_title":"EVP, Fuels, CFO & Treasurer"}}],"security":"Dividend Equivalent Units","published_at":"2023-06-05T22:18:29.000Z","date":"2023-06-01","kind":"grant","planned":false,"acquired":true,"shares":3.159,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. 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Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 10, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 10, 2021."}],"balance_after":34.01,"derivative":{"underlying":"Common Stock","underlying_shares":3.159},"source":{"system":"sec-edgar","filing":"0001127602-23-017918","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1381734/000112760223017918/form4.xml","form_type":"4"}},{"id":1866403,"issuer":{"id":1923,"kind":"organization","name":"Murphy USA Inc.","symbol":"MUSA"},"owners":[{"id":33575,"kind":"person","name":"West Malynda K","position":1,"cik":"0001381734","reported_name":"West Malynda K","relationship":{"officer":true,"officer_title":"EVP, Fuels, CFO & Treasurer"}}],"security":"Dividend Equivalent Units","published_at":"2023-06-05T22:18:29.000Z","date":"2023-06-01","kind":"grant","planned":false,"acquired":true,"shares":16.97,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Reflects the accrual of dividend equivalent units on pension restoration RSUs granted on September 6, 2013."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reflects the accrual of dividend equivalent units on pension restoration RSUs granted on September 6, 2013."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Reflects the accrual of dividend equivalent units on pension restoration RSUs granted on September 6, 2013."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Reflects the accrual of dividend equivalent units on pension restoration RSUs granted on September 6, 2013."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Reflects the accrual of dividend equivalent units on pension restoration RSUs granted on September 6, 2013."}],"balance_after":205.609,"derivative":{"underlying":"Common Stock","underlying_shares":16.97},"source":{"system":"sec-edgar","filing":"0001127602-23-017918","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1381734/000112760223017918/form4.xml","form_type":"4"}},{"id":1903805,"issuer":{"id":4185,"kind":"organization","name":"SIMMONS FIRST NATIONAL CORP","symbol":"SFNC"},"owners":[{"id":33575,"kind":"person","name":"West Malynda K","position":1,"cik":"0001381734","reported_name":"West Malynda K","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2023-05-05T22:13:55.000Z","date":"2023-05-03","kind":"exercise","planned":false,"acquired":false,"shares":951,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The Restricted Stock Units vested on May 3, 2023. Shares will be delivered within 30 days of vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The Restricted Stock Units vested on May 3, 2023. Shares will be delivered within 30 days of vesting."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"951 Restricted Stock Units vest on July 3, 2023; 951 Restricted Stock Units vest on October 2, 2023; and 952 Restricted Stock Units vest on January 2, 2024. SFNC shares will be delivered within 30 days of vesting. 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SFNC shares will be delivered within 30 days of vesting. Events such as retirement, death, disability, and other specified events in the award agreement may result in earlier vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"951 Restricted Stock Units vest on May 3, 2023; 951 Restricted Stock Units vest on July 3, 2023; 951 Restricted Stock Units vest on October 2, 2023; and 952 Restricted Stock Units vest on January 2, 2024. SFNC shares will be delivered within 30 days of vesting. 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