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Fair Value of Assets and Liabilities - Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Carrying Amount |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | $ 2,347,877 | $ 2,876,524
Estimated Fair Value |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | $ 1,586,515 | 2,919,651
Senior unsecured notes | Senior unsecured notes, 4.750% coupon rate, due 2024 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Coupon Rate | 4.75% |
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 unsecured notes | Carrying Amount | Senior unsecured notes, 4.750% coupon rate, due 2024 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | $ 249,628 | 249,348
Senior unsecured notes | Carrying Amount | Senior unsecured notes, 9.750% coupon rate, due 2025 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | 495,710 | 987,903
Senior unsecured notes | Carrying Amount | Senior unsecured notes, 4.750% coupon rate, due 2028 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | 493,473 | 492,199
Senior unsecured notes | Carrying Amount | Senior unsecured notes, 4.375% coupon rate, due 2031 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | 492,986 | 492,127
Senior unsecured notes | Carrying Amount | Senior unsecured notes, 5.625% coupon rate, due 2042 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | 342,565 | 342,183
Senior unsecured notes | Carrying Amount | Senior unsecured notes, 6.250% coupon rate, due 2046 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | 243,338 | 243,051
Senior unsecured notes | Estimated Fair Value | Senior unsecured notes, 4.750% coupon rate, due 2024 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | 211,250 | 257,695
Senior unsecured notes | Estimated Fair Value | Senior unsecured notes, 9.750% coupon rate, due 2025 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | 478,985 | 1,081,990
Senior unsecured notes | Estimated Fair Value | Senior unsecured notes, 4.750% coupon rate, due 2028 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | 284,375 | 491,480
Senior unsecured notes | Estimated Fair Value | Senior unsecured notes, 4.375% coupon rate, due 2031 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | 317,130 | 480,763
Senior unsecured notes | Estimated Fair Value | Senior unsecured notes, 5.625% coupon rate, due 2042 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | 151,200 | 309,260
Senior unsecured notes | Estimated Fair Value | Senior unsecured notes, 6.250% coupon rate, due 2046 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | 115,300 | 226,500
Secured debts | Carrying Amount |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | 30,177 | 69,713
Secured debts | Estimated Fair Value |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Secured and secured debt | $ 28,275 | $ 71,963

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