Derivative Instruments - Fair value gains (losses) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Summary of realized and unrealized gains (losses) on derivative instruments | |||
| Derivative fair value gains (losses) | $ 111,049 | $ 731 | $ 166,324 |
| Commodity derivatives | |||
| Summary of realized and unrealized gains (losses) on derivative instruments | |||
| Loss on early settlement of natural gas swaption agreement | 0 | 0 | 202,000 |
| Commodity derivatives | Revenue | |||
| Summary of realized and unrealized gains (losses) on derivative instruments | |||
| Derivative fair value gains (losses) | 112,536 | 2,846 | 165,448 |
| Embedded derivatives | Revenue | |||
| Summary of realized and unrealized gains (losses) on derivative instruments | |||
| Derivative fair value gains (losses) | $ (1,487) | $ (2,115) | $ 876 |