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v3.23.1

Fair Value of Assets and Liabilities - Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
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Carrying Amount |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | $ 2,348,481 | $ 2,347,877
Carrying Amount | 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 (percent) | 4.75% |
Fair value disclosure | $ 249,698 | 249,628
Carrying Amount | 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 (percent) | 9.75% |
Fair value disclosure | $ 496,146 | 495,710
Carrying Amount | 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 (percent) | 4.75% |
Fair value disclosure | $ 493,791 | 493,473
Carrying Amount | 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 (percent) | 4.375% |
Fair value disclosure | $ 493,201 | 492,986
Carrying Amount | 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 (percent) | 5.625% |
Fair value disclosure | $ 342,660 | 342,565
Carrying Amount | 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 (percent) | 6.25% |
Fair value disclosure | $ 243,411 | 243,338
Carrying Amount | Secured Debts |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 29,574 | 30,177
Estimated Fair Value |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 1,742,742 | 1,586,515
Estimated Fair Value | Senior Unsecured Notes | Senior unsecured notes, 4.750% coupon rate, due 2024 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | 225,153 | 211,250
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 | 479,980 | 478,985
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 | 337,550 | 284,375
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 | 359,530 | 317,130
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 | 178,640 | 151,200
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 | 133,800 | 115,300
Estimated Fair Value | Secured Debts |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value disclosure | $ 28,089 | $ 28,275

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