v3.26.1
Variable Interest Entities - Income Statement (Details) - USD ($)
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Variable Interest Entity [Line Items]    
Lease Income $ 518,700,000 $ 359,600,000
Other Operating Income 42,900,000 40,500,000
Total revenues 583,700,000 421,600,000
Maintenance expense 140,700,000 103,500,000
Depreciation expense 169,200,000 103,600,000
Operating lease expense 7,400,000 7,600,000
Other operating expense 21,800,000 16,000,000.0
Selling, general and administrative expense 71,300,000 56,600,000
Total expenses (1) 410,400,000 287,300,000
Net gain on asset dispositions 51,000,000.0 33,400,000
Interest (expense) income, net (151,000,000.0) (94,900,000)
Income taxes (21,200,000) (16,600,000)
Net Income 79,100,000 78,600,000
Payment for management fee 1,500,000 1,400,000
Cash paid for the acquisition of operating assets 4,520,000,000 296,300,000
Net proceeds from the issuance of debt 973,700,000 879,800,000
Cash paid for the repayment of debt 1,000,100,000 406,600,000
Loss before Income Taxes 79,500,000 70,100,000
GABX    
Variable Interest Entity [Line Items]    
Depreciation expense
Variable Interest Entity, Primary Beneficiary | GABX    
Variable Interest Entity [Line Items]    
Total revenues 134,900,000 0
Total expenses (1) (100,200,000) 0
Net gain on asset dispositions 2,000,000.0 0
Interest (expense) income, net (43,900,000) 0
Income taxes (1,900,000) 0
Net Income (9,100,000) 0
Payment for management fee 12,500,000  
Cash paid for the acquisition of operating assets 4,230,800,000  
Net proceeds from the issuance of debt 992,000,000.0  
Cash paid for the repayment of debt 992,000,000.0  
Loss before Income Taxes $ (7,200,000) $ 0