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Equity-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
May 31, 2025 | May 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Enerplus Corporation Acquisition |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Cash paid to settle Enerplus equity-based compensation awards | $ 102,393 | $ 102,400 |  |  |  |
Equity-Classified Awards |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share-based compensation expense |  |  | $ 6,500 | $ 5,900 | $ 19,500 | $ 16,100
Liability-Classified Awards |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share-based compensation expense |  |  | $ 0 | $ 0 | $ 0 | $ 0
Restricted Stock Units (RSUs) |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Awards granted (in shares) |  |  |  |  | 200,461 |
Weighted average grant date fair value (in dollars per share) |  |  |  |  | $ 118.27 |
Restricted Stock Units (RSUs) | Vesting period one |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Award vesting period |  |  |  |  | 1 year |
Restricted Stock Units (RSUs) | Vesting period two |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Award vesting period |  |  |  |  | 3 years |
Restricted Stock Units (RSUs) | Vesting period three |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Award vesting period |  |  |  |  | 4 years |
Absolute TSR |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Additional shares granted (in shares) |  |  |  |  | 24,730 |
Weighted average grant date value (in dollars per share) |  |  |  |  | $ 170.38 |
Absolute TSR | Minimum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Shares granted percentage of earnings (as a percent) |  |  |  |  | 0.00% |
Absolute TSR | Maximum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Shares granted percentage of earnings (as a percent) |  |  |  |  | 300.00% |
Relative TSR |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Shares granted percentage of earnings (as a percent) |  |  |  |  | 100.00% |
Additional shares granted (in shares) |  |  |  |  | 74,219 |
Weighted average grant date value (in dollars per share) |  |  |  |  | $ 136.18 |
Relative TSR | Minimum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Shares granted percentage of earnings (as a percent) |  |  |  |  | 0.00% |
Relative TSR | Maximum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Shares granted percentage of earnings (as a percent) |  |  |  |  | 200.00% |
Leverage Stock Units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Award vesting period |  |  |  |  | 3 years |
Phantom Units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Awards granted (in shares) |  |  |  |  | 11,900 |
Weighted average grant date fair value (in dollars per share) |  |  |  |  | $ 121.70 |
Number of shares for cash payment value (in shares) |  |  | 1 |  | 1 |

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