Fair Value Measurements - Debt at at Carrying and Fair Value (Details) - Level 2 - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Carrying Value | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Notes Receivable, Fair Value Disclosure | $ 45,800 | $ 44,800 |
| Discounted cash flow | Carrying Value | ||
| Liabilities: | ||
| Long-term debt (fixed-rate), net of discount | 9,419,233 | 8,525,032 |
| Debt issuance costs | 25,700 | 23,200 |
| Discounted cash flow | Fair Value | ||
| Liabilities: | ||
| Long-term debt (fixed-rate), net of discount | 9,175,662 | 8,199,785 |
| Discounted cash flow | Subsidiaries | Carrying Value | ||
| Liabilities: | ||
| Long-term debt (fixed-rate), net of discount | 6,459,069 | 6,457,684 |
| Debt issuance costs | 21,400 | 22,200 |
| Discounted cash flow | Subsidiaries | Fair Value | ||
| Liabilities: | ||
| Long-term debt (fixed-rate), net of discount | $ 6,052,126 | $ 6,054,647 |