Annual report [Section 13 and 15(d), not S-K Item 405]

Long-Term Debt - Summary of Exchangeable Notes (Details)

v3.25.0.1
Long-Term Debt - Summary of Exchangeable Notes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Debt Instrument [Line Items]    
Fair Value $ 12,800,000 $ 13,500,000
Exchangeable Senior Notes Due 2024    
Debt Instrument [Line Items]    
Principal amount   146,601
Unamortized debt discount, including deferred financing fees   (557)
Net carrying amount   $ 146,044
Interest rate 6.00% 6.00%
Common share issuance for NCLC Exchangeable Notes 10,658,607  
Exchangeable Senior Notes Due 2025    
Debt Instrument [Line Items]    
Principal amount $ 449,990 $ 449,990
Unamortized debt discount, including deferred financing fees (1,463) (3,963)
Net carrying amount $ 448,527 $ 446,027
Interest rate 5.375% 5.38%
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 (12,289) (17,921)
Net carrying amount $ 1,137,711 $ 1,132,079
Interest rate 1.125% 1.13%
2.5% Exchangeable Senior Notes Due 2027    
Debt Instrument [Line Items]    
Principal amount $ 473,175 $ 473,175
Unamortized debt discount, including deferred financing fees (5,411) (7,836)
Net carrying amount $ 467,764 $ 465,339
Interest rate 2.50% 2.50%
Level 2 | Exchangeable Senior Notes Due 2024    
Debt Instrument [Line Items]    
Fair Value   $ 217,790
Level 2 | Exchangeable Senior Notes Due 2025    
Debt Instrument [Line Items]    
Fair Value $ 641,560 572,567
Level 2 | 1.125% Exchangeable Senior Notes Due 2027    
Debt Instrument [Line Items]    
Fair Value 1,177,347 1,068,431
Level 2 | 2.5% Exchangeable Senior Notes Due 2027    
Debt Instrument [Line Items]    
Fair Value $ 492,395 $ 453,784