v3.25.2
Long-Term Debt - Summary of Exchangeable Notes (Details) - USD ($)
$ in Thousands
Aug. 01, 2025
Jun. 30, 2025
Dec. 31, 2024
Debt Instrument [Line Items]      
Fair Value   $ 13,600,000 $ 12,800,000
Exchangeable Senior Notes Due 2025      
Debt Instrument [Line Items]      
Principal amount   96,101 449,990
Unamortized debt discount, including deferred financing fees   (81) (1,463)
Net carrying amount   96,020 448,527
Exchangeable Senior Notes Due 2025 | Subsequent Event      
Debt Instrument [Line Items]      
Common share issuance for NCLC Exchangeable Notes 5,120,487    
1.125% Exchangeable Senior Notes Due 2027      
Debt Instrument [Line Items]      
Principal amount   1,150,000 1,150,000
Unamortized debt discount, including deferred financing fees   (9,517) (12,289)
Net carrying amount   $ 1,140,483 1,137,711
Interest rate   1.125%  
2.5% Exchangeable Senior Notes Due 2027      
Debt Instrument [Line Items]      
Principal amount   $ 473,175 473,175
Unamortized debt discount, including deferred financing fees   (4,232) (5,411)
Net carrying amount   $ 468,943 467,764
Interest rate   2.50%  
Exchangeable Senior Notes Due 2030      
Debt Instrument [Line Items]      
Principal amount   $ 353,876  
Unamortized debt discount, including deferred financing fees   (3,214)  
Net carrying amount   $ 350,662  
Interest rate   0.875%  
Level 2 | Exchangeable Senior Notes Due 2025      
Debt Instrument [Line Items]      
Fair Value   $ 106,147 641,560
Level 2 | 1.125% Exchangeable Senior Notes Due 2027      
Debt Instrument [Line Items]      
Fair Value   1,123,734 1,177,347
Level 2 | 2.5% Exchangeable Senior Notes Due 2027      
Debt Instrument [Line Items]      
Fair Value   470,525 $ 492,395
Level 2 | Exchangeable Senior Notes Due 2030      
Debt Instrument [Line Items]      
Fair Value   $ 376,170