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Long-Term Debt (Details) - USD ($) $ in Millions |  |  | 1 Months Ended | 3 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 09, 2026 | Jan. 30, 2026 | May 06, 2026 | Mar. 31, 2026 | Mar. 31, 2025 | Apr. 30, 2026 | Apr. 03, 2026 | Mar. 19, 2026 | Mar. 18, 2026 | Mar. 04, 2026 | Dec. 31, 2025
Long-Term Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant Compliance |  |  |  | The Company was in compliance with all financial and non-financial covenants as of March 31, 2026, and through the filing of this report. |  |  |  |  |  |  |
Capitalized interest costs |  |  |  | $ 15.0 | $ 9.0 |  |  |  |  |  |
Civitas Resources Merger |  |  |  |  |  |  |  |  |  |  |
Long-Term Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Senior Notes Assumed - Principal |  | $ 4,900.0 |  |  |  |  |  |  |  |  |
Assumed Credit Facility Debt Paid |  | $ 201.0 |  |  |  |  |  |  |  |  |
6.625% Senior Unsecured Notes Due 2034 |  |  |  |  |  |  |  |  |  |  |
Long-Term Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Related Commitment Fees and Debt Issuance Costs | $ 15.0 |  |  |  |  |  |  |  |  |  |
Senior Unsecured Notes, Principal amount | $ 1,000.0 |  |  | 1,000.0 |  |  |  |  |  |  | $ 0.0
8.375% Senior Unsecured Notes Due 2028 |  |  |  |  |  |  |  |  |  |  |
Long-Term Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Tender Offer to Repurchase Senior Notes |  |  |  |  |  |  |  |  | $ 1,000.0 | $ 750.0 |
Senior Notes, repurchased principal amount |  |  |  |  |  |  |  | $ 784.0 |  |  |
Debt Instrument, Repurchase Amount |  |  |  |  |  |  |  | $ 808.0 |  |  |
Senior Unsecured Notes, Principal amount |  |  |  | 566.0 |  |  |  |  |  | $ 1,350.0 | $ 0.0
8.375% Senior Unsecured Notes Due 2028 | Premium Paid to Repurchase Senior Notes |  |  |  |  |  |  |  |  |  |  |
Long-Term Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  | $ (3.0) |  |  |  |  |  |  |
Subsequent Event |  |  |  |  |  |  |  |  |  |  |
Long-Term Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant Compliance |  |  | The Company was in compliance with all financial and non-financial covenants as of March 31, 2026, and through the filing of this report. |  |  |  |  |  |  |  |
Subsequent Event | 8.375% Senior Unsecured Notes Due 2028 |  |  |  |  |  |  |  |  |  |  |
Long-Term Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Senior Notes, repurchased principal amount |  |  |  |  |  |  | $ 110.0 |  |  |  |
Debt Instrument, Repurchase Amount |  |  |  |  |  |  | $ 114.0 |  |  |  |
Subsequent Event | 6.75% Senior Unsecured Notes Due 2026 And 5.000% Senior Unsecured Notes Due 2026 |  |  |  |  |  |  |  |  |  |  |
Long-Term Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Senior Unsecured Notes, Principal amount |  |  |  |  |  | $ 819.0 |  |  |  |  |

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