Property, Plant and Equipment - Net Changes in Capitalized Exploratory Well Costs (Details) - USD ($) |
6 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Movement in Property, Plant and Equipment [Roll Forward] | ||
| Beginning balance | $ 72,055,000 | $ 49,118,000 |
| Additions pending the determination of proved reserves | 38,469,000 | 20,391,000 |
| Capitalized exploratory well costs charged to expense | 0 | (26,471,000) |
| Ending balance | $ 110,524,000 | $ 43,038,000 |