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Fair Value of Assets and Liabilities - Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
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Senior Unsecured Notes | Senior unsecured notes, 9.750% coupon rate, due 2025 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Coupon rate | 9.75% |
Senior Unsecured Notes | Senior unsecured notes, 4.750% coupon rate, due 2028 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Coupon rate | 4.75% |
Senior Unsecured Notes | Senior unsecured notes, 4.375% coupon rate, due 2031 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Coupon rate | 4.375% |
Senior Unsecured Notes | Senior unsecured notes, 5.625% coupon rate, due 2042 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Coupon rate | 5.625% |
Senior Unsecured Notes | Senior unsecured notes, 6.250% coupon rate, due 2046 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Coupon rate | 6.25% |
Senior Secured Notes | Senior secured notes, zero coupon rate, due 2026 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Coupon rate | 0.00% |
Carrying Value |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | $ 2,837,844 | $ 2,816,849
Carrying Value | Senior Unsecured Notes | Senior unsecured notes, 9.750% coupon rate, due 2025 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 497,892 | 497,454
Carrying Value | Senior Unsecured Notes | Senior unsecured notes, 4.750% coupon rate, due 2028 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 495,065 | 494,746
Carrying Value | Senior Unsecured Notes | Senior unsecured notes, 4.375% coupon rate, due 2031 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 494,060 | 493,845
Carrying Value | Senior Unsecured Notes | Senior unsecured notes, 5.625% coupon rate, due 2042 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 343,041 | 342,946
Carrying Value | Senior Unsecured Notes | Senior unsecured notes, 6.250% coupon rate, due 2046 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 243,699 | 243,627
Carrying Value | Senior Secured Notes | Senior secured notes, zero coupon rate, due 2026 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 751,890 | 731,211
Carrying Value | Secured debt and finance leases |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 12,197 | 13,020
Estimated Fair Value |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 2,444,237 | 2,399,525
Estimated Fair Value | Senior Unsecured Notes | Senior unsecured notes, 9.750% coupon rate, due 2025 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 500,350 | 490,750
Estimated Fair Value | Senior Unsecured Notes | Senior unsecured notes, 4.750% coupon rate, due 2028 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 405,400 | 384,110
Estimated Fair Value | Senior Unsecured Notes | Senior unsecured notes, 4.375% coupon rate, due 2031 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 374,350 | 375,000
Estimated Fair Value | Senior Unsecured Notes | Senior unsecured notes, 5.625% coupon rate, due 2042 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 200,480 | 211,400
Estimated Fair Value | Senior Unsecured Notes | Senior unsecured notes, 6.250% coupon rate, due 2046 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 153,600 | 154,000
Estimated Fair Value | Senior Secured Notes | Senior secured notes, zero coupon rate, due 2026 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 798,419 | 771,981
Estimated Fair Value | Secured debt and finance leases |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | $ 11,638 | $ 12,284

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