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Fair Value of Assets and Liabilities - Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Carrying Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value disclosure	$ 2,816,849	$ 2,347,877
Estimated Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value disclosure	$ 2,399,525	1,586,515
Senior Unsecured Notes | Senior unsecured notes, 4.750% coupon rate, due 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Interest rate (as a percent)	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
Interest rate (as a percent)	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
Interest rate (as a percent)	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
Interest rate (as a percent)	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
Interest rate (as a percent)	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
Interest rate (as a percent)	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
Fair value disclosure	$ 0	249,628
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
Fair value disclosure	497,454	495,710
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
Fair value disclosure	494,746	493,473
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
Fair value disclosure	493,845	492,986
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
Fair value disclosure	342,946	342,565
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
Fair value disclosure	243,627	243,338
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
Fair value disclosure	0	211,250
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
Fair value disclosure	490,750	478,985
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
Fair value disclosure	384,110	284,375
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
Fair value disclosure	375,000	317,130
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
Fair value disclosure	211,400	151,200
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
Fair value disclosure	$ 154,000	115,300
Senior Secured Notes | Senior secured notes, zero coupon rate, due 2026
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Interest rate (as a percent)	0.00%
Senior Secured Notes | Carrying Amount | Senior secured notes, zero coupon rate, due 2026
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value disclosure	$ 731,211	0
Senior Secured Notes | Estimated Fair Value | Senior secured notes, zero coupon rate, due 2026
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value disclosure	771,981	0
Secured debts | Carrying Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value disclosure	13,020	30,177
Secured debts | Estimated Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value disclosure	$ 12,284	$ 28,275

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