v3.26.1
Fair Value of Assets and Liabilities - Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Senior Unsecured Notes | Senior unsecured notes, 4.750% interest rate, due 2028    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Interest rate 4.75%  
Senior Unsecured Notes | Senior unsecured notes, 4.375% interest rate, due 2031    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Interest rate 4.375%  
Senior Unsecured Notes | Senior unsecured notes, 5.625% interest rate, due 2042    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Interest rate 5.625%  
Senior Unsecured Notes | Senior unsecured notes, 6.250% interest rate, due 2046    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Interest rate 6.25%  
Senior Secured Notes | Senior secured notes, 7.250% interest rate, due 2030    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Interest rate 7.25%  
Carrying Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure $ 2,402,834 $ 2,400,824
Carrying Value | Senior Unsecured Notes | Senior unsecured notes, 4.750% interest rate, due 2028    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 497,926 497,290
Carrying Value | Senior Unsecured Notes | Senior unsecured notes, 4.375% interest rate, due 2031    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 495,990 495,561
Carrying Value | Senior Unsecured Notes | Senior unsecured notes, 5.625% interest rate, due 2042    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 343,873 343,683
Carrying Value | Senior Unsecured Notes | Senior unsecured notes, 6.250% interest rate, due 2046    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 244,338 244,192
Carrying Value | Senior Secured Notes | Senior secured notes, 7.250% interest rate, due 2030    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 366,019 365,005
Carrying Value | Secured debt and finance leases    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 454,688 455,093
Fair Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 2,244,104 2,190,141
Fair Value | Senior Unsecured Notes | Senior unsecured notes, 4.750% interest rate, due 2028    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 490,500 482,635
Fair Value | Senior Unsecured Notes | Senior unsecured notes, 4.375% interest rate, due 2031    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 457,700 440,000
Fair Value | Senior Unsecured Notes | Senior unsecured notes, 5.625% interest rate, due 2042    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 249,480 224,140
Fair Value | Senior Unsecured Notes | Senior unsecured notes, 6.250% interest rate, due 2046    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 183,700 175,000
Fair Value | Senior Secured Notes | Senior secured notes, 7.250% interest rate, due 2030    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 385,988 383,434
Fair Value | Secured debt and finance leases    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure $ 476,736 $ 484,932