v3.26.1
Fair Value of Assets and Liabilities - Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
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, 7.250% coupon rate, due 2030    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Coupon rate 7.25%  
Carrying Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure $ 2,401,576 $ 2,400,824
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 497,608 497,290
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 495,775 495,561
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 343,778 343,683
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 244,266 244,192
Carrying Value | Senior Secured Notes | Senior secured notes, 7.250% coupon rate, due 2030    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 365,516 365,005
Carrying Value | Secured debt and finance leases    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 454,633 455,093
Fair Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 2,181,678 2,190,141
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 480,465 482,635
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 444,350 440,000
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 226,520 224,140
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 171,200 175,000
Fair Value | Senior Secured Notes | Senior secured notes, 7.250% coupon rate, due 2030    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure 378,221 383,434
Fair Value | Secured debt and finance leases    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value disclosure $ 480,922 $ 484,932