Property and Equipment and Intangible Assets - Asset retirement obligations (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
|
| Activity relating to our asset retirement obligations | |||||
| Balance at beginning of period | $ 338,506 | $ 289,059 | $ 327,031 | $ 278,287 | |
| Liabilities incurred | 1,188 | 4,651 | 4,885 | 8,959 | |
| Accretion expense | 8,026 | 6,765 | 15,804 | 13,229 | |
| Balance at end of period | 347,720 | $ 300,475 | 347,720 | $ 300,475 | |
| Corresponding assets, net of accumulated depreciation, related to asset retirement obligations | $ 209,000 | $ 209,000 | $ 216,000 | ||