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The award vested on February 15, 2025. During the 3-year vesting period, the award was credited with dividend equivalents that were paid out in shares of common stock at the time the underlying units vested and were issued. The award and credited dividend equivalents were payable one share of the Issuer's common stock for each vested restricted unit, including additional restricted units resulting from the dividend equivalents."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted units awarded under Issuer's Amended and Restated Equity Compensation Plan (2018). The award vested on February 15, 2025. During the 3-year vesting period, the award was credited with dividend equivalents that were paid out in shares of common stock at the time the underlying units vested and were issued. The award and credited dividend equivalents were payable one share of the Issuer's common stock for each vested restricted unit, including additional restricted units resulting from the dividend equivalents."}],"balance_after":1732.823,"source":{"system":"sec-edgar","filing":"0000950170-25-024171","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1587732/000095017025024171/ownership.xml","form_type":"4"}},{"id":1255047,"issuer":{"id":3906,"kind":"organization","name":"ONE Gas, Inc."},"owners":[{"id":64683,"kind":"person","name":"Brumfield Brian F.","position":1,"cik":"0001951536","reported_name":"Brumfield Brian F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common stock, par value $0.01","published_at":"2025-02-20T21:15:11.000Z","date":"2025-02-18","kind":"exercise","planned":false,"acquired":true,"shares":1902.343,"price":71.53,"value":136074.59479,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted units awarded under Issuer's Amended and Restated Equity Compensation Plan (2018). The award vested on February 15, 2025. During the 3-year vesting period, the award was credited with dividend equivalents that were paid out in shares of common stock at the time the underlying units vested and were issued. The award and credited dividend equivalents were payable one share of the Issuer's common stock for each vested restricted unit, including additional restricted units resulting from the dividend equivalents."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted units awarded under Issuer's Amended and Restated Equity Compensation Plan (2018). The award vested on February 15, 2025. During the 3-year vesting period, the award was credited with dividend equivalents that were paid out in shares of common stock at the time the underlying units vested and were issued. The award and credited dividend equivalents were payable one share of the Issuer's common stock for each vested restricted unit, including additional restricted units resulting from the dividend equivalents."}],"balance_after":2634.54,"source":{"system":"sec-edgar","filing":"0000950170-25-024171","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1587732/000095017025024171/ownership.xml","form_type":"4"}},{"id":1628111,"issuer":{"id":3906,"kind":"organization","name":"ONE Gas, Inc."},"owners":[{"id":64683,"kind":"person","name":"Brumfield Brian F.","position":1,"cik":"0001951536","reported_name":"Brumfield Brian F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Restricted Units 2024","published_at":"2024-02-21T21:10:23.000Z","date":"2024-02-19","kind":"grant","planned":false,"acquired":true,"shares":679,"price":60.74,"value":41242.46,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Restricted units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award vests on February 13, 2027, in accordance with the terms of the Restricted Unit Award Agreement.  During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out at the time the underlying units are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested restricted unit and dividend equivalent."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Restricted units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award vests on February 13, 2027, in accordance with the terms of the Restricted Unit Award Agreement.  During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out at the time the underlying units are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested restricted unit and dividend equivalent."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Restricted units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award vests on February 13, 2027, in accordance with the terms of the Restricted Unit Award Agreement.  During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out at the time the underlying units are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested restricted unit and dividend equivalent."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Restricted units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award vests on February 13, 2027, in accordance with the terms of the Restricted Unit Award Agreement.  During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out at the time the underlying units are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested restricted unit and dividend equivalent."}],"balance_after":679,"derivative":{"underlying":"Common stock, par value $0.01","underlying_shares":679},"source":{"system":"sec-edgar","filing":"0000950170-24-017918","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1587732/000095017024017918/ownership.xml","form_type":"4"}},{"id":1628110,"issuer":{"id":3906,"kind":"organization","name":"ONE Gas, Inc."},"owners":[{"id":64683,"kind":"person","name":"Brumfield Brian F.","position":1,"cik":"0001951536","reported_name":"Brumfield Brian F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Performance Units 2024","published_at":"2024-02-21T21:10:23.000Z","date":"2024-02-19","kind":"grant","planned":false,"acquired":true,"shares":2037,"price":60.74,"value":123727.38,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Performance units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award will vest on February 13, 2027, for a percentage (0% to 200%) of the performance units awarded based upon the Issuer's total shareholder return compared to total stockholder return of a selected peer group over the performance period from January 1, 2024, through December 31, 2026, in accordance with the terms of the Performance Unit Award Agreement. During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out at the time the underlying units are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested performance unit and dividend equivalent."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Performance units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award will vest on February 13, 2027, for a percentage (0% to 200%) of the performance units awarded based upon the Issuer's total shareholder return compared to total stockholder return of a selected peer group over the performance period from January 1, 2024, through December 31, 2026, in accordance with the terms of the Performance Unit Award Agreement. During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out at the time the underlying units are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested performance unit and dividend equivalent."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Performance units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award will vest on February 13, 2027, for a percentage (0% to 200%) of the performance units awarded based upon the Issuer's total shareholder return compared to total stockholder return of a selected peer group over the performance period from January 1, 2024, through December 31, 2026, in accordance with the terms of the Performance Unit Award Agreement. During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out at the time the underlying units are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested performance unit and dividend equivalent."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Performance units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award will vest on February 13, 2027, for a percentage (0% to 200%) of the performance units awarded based upon the Issuer's total shareholder return compared to total stockholder return of a selected peer group over the performance period from January 1, 2024, through December 31, 2026, in accordance with the terms of the Performance Unit Award Agreement. During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out at the time the underlying units are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested performance unit and dividend equivalent."}],"balance_after":2037,"derivative":{"underlying":"Common stock, par value $0.01","underlying_shares":2037},"source":{"system":"sec-edgar","filing":"0000950170-24-017918","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1587732/000095017024017918/ownership.xml","form_type":"4"}},{"id":1998633,"issuer":{"id":3906,"kind":"organization","name":"ONE Gas, Inc."},"owners":[{"id":64683,"kind":"person","name":"Brumfield Brian F.","position":1,"cik":"0001951536","reported_name":"Brumfield Brian F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See remarks"}}],"security":"Restricted Units 2023","published_at":"2023-02-22T21:06:06.000Z","date":"2023-02-20","kind":"grant","acquired":true,"shares":504,"price":81.79,"value":41222.16,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Restricted units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award vests on February 14, 2026.  During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out in shares of common stock at the time the underlying units vest and are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested restricted unit and dividend equivalent."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Restricted units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award vests on February 14, 2026.  During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out in shares of common stock at the time the underlying units vest and are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested restricted unit and dividend equivalent."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Restricted units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award vests on February 14, 2026.  During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out in shares of common stock at the time the underlying units vest and are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested restricted unit and dividend equivalent."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Restricted units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award vests on February 14, 2026.  During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out in shares of common stock at the time the underlying units vest and are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested restricted unit and dividend equivalent."}],"balance_after":504,"derivative":{"underlying":"Common stock, par value $0.01","underlying_shares":504},"source":{"system":"sec-edgar","filing":"0000899243-23-005836","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1587732/000089924323005836/doc4.xml","form_type":"4"}},{"id":1998632,"issuer":{"id":3906,"kind":"organization","name":"ONE Gas, Inc."},"owners":[{"id":64683,"kind":"person","name":"Brumfield Brian F.","position":1,"cik":"0001951536","reported_name":"Brumfield Brian F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See remarks"}}],"security":"Performance Units 2023","published_at":"2023-02-22T21:06:06.000Z","date":"2023-02-20","kind":"grant","acquired":true,"shares":1513,"price":81.79,"value":123748.27,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Performance units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award will vest on February 14, 2026, for a percentage (0% to 200%) of the performance units awarded based upon the Issuer's total shareholder return compared to total stockholder return of a selected peer group over the performance period from January 1, 2023, through December 31, 2025. The total shareholder return beginning stock price for the performance period is the average of the closing stock price for the 20 trading days immediately preceding the beginning of the performance period.  The total shareholder return ending stock price for the performance period is the average of the closing price for the 20 trading days leading up to and including the last day of the performance period."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"(Continued from Footnote 1) During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out in shares of common stock at the time the underlying units vest and shares are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested performance unit and dividend equivalent."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Performance units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award will vest on February 14, 2026, for a percentage (0% to 200%) of the performance units awarded based upon the Issuer's total shareholder return compared to total stockholder return of a selected peer group over the performance period from January 1, 2023, through December 31, 2025. The total shareholder return beginning stock price for the performance period is the average of the closing stock price for the 20 trading days immediately preceding the beginning of the performance period.  The total shareholder return ending stock price for the performance period is the average of the closing price for the 20 trading days leading up to and including the last day of the performance period."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"(Continued from Footnote 1) During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out in shares of common stock at the time the underlying units vest and shares are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested performance unit and dividend equivalent."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Performance units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award will vest on February 14, 2026, for a percentage (0% to 200%) of the performance units awarded based upon the Issuer's total shareholder return compared to total stockholder return of a selected peer group over the performance period from January 1, 2023, through December 31, 2025. The total shareholder return beginning stock price for the performance period is the average of the closing stock price for the 20 trading days immediately preceding the beginning of the performance period.  The total shareholder return ending stock price for the performance period is the average of the closing price for the 20 trading days leading up to and including the last day of the performance period."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"(Continued from Footnote 1) During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out in shares of common stock at the time the underlying units vest and shares are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested performance unit and dividend equivalent."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Performance units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award will vest on February 14, 2026, for a percentage (0% to 200%) of the performance units awarded based upon the Issuer's total shareholder return compared to total stockholder return of a selected peer group over the performance period from January 1, 2023, through December 31, 2025. The total shareholder return beginning stock price for the performance period is the average of the closing stock price for the 20 trading days immediately preceding the beginning of the performance period.  The total shareholder return ending stock price for the performance period is the average of the closing price for the 20 trading days leading up to and including the last day of the performance period."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"(Continued from Footnote 1) During the 3-year vesting period, the award will be credited with dividend equivalents that will be paid out in shares of common stock at the time the underlying units vest and shares are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested performance unit and dividend equivalent."}],"balance_after":1513,"derivative":{"underlying":"Common stock, par value $0.01","underlying_shares":1513},"source":{"system":"sec-edgar","filing":"0000899243-23-005836","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1587732/000089924323005836/doc4.xml","form_type":"4"}},{"id":2125131,"issuer":{"id":3906,"kind":"organization","name":"ONE Gas, Inc."},"owners":[{"id":64683,"kind":"person","name":"Brumfield Brian F.","position":1,"cik":"0001951536","reported_name":"Brumfield Brian F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See remarks"}}],"security":"Restricted Units 2022","published_at":"2022-11-03T20:05:27.000Z","date":"2022-11-01","kind":"grant","acquired":true,"shares":1749,"price":80.03,"value":139972.47,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Restricted units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award vests on February 15, 2025.  During the vesting period, the award will be credited with dividend equivalents that will be paid out in shares of common stock at the time the underlying units vest and are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested restricted unit and dividend equivalent."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Restricted units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award vests on February 15, 2025.  During the vesting period, the award will be credited with dividend equivalents that will be paid out in shares of common stock at the time the underlying units vest and are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested restricted unit and dividend equivalent."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Restricted units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award vests on February 15, 2025.  During the vesting period, the award will be credited with dividend equivalents that will be paid out in shares of common stock at the time the underlying units vest and are issued. The award and credited dividend equivalents will be payable one share of the Issuer's common stock for each vested restricted unit and dividend equivalent."}],"balance_after":1749,"derivative":{"underlying":"Common stock, par value $0.01","underlying_shares":1749},"source":{"system":"sec-edgar","filing":"0000899243-22-034885","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1587732/000089924322034885/doc4.xml","form_type":"4"}}]}