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

Summary of Significant Accounting Policies - Segment Reporting (Details)

v3.25.0.1
Summary of Significant Accounting Policies - Segment Reporting (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Segment Reporting Information [Line Items]      
Total revenue $ 9,479,651 $ 8,549,924 $ 4,843,760
Cruise operating expense      
Total cruise operating expense 5,688,696 5,468,587 4,267,086
Other operating expense      
Depreciation and amortization 890,242 808,568 749,326
Total other operating expense 2,325,049 2,150,426 2,128,431
Interest expense, net 747,223 727,531 801,512
Other income (expense), net (54,224) 40,204 (76,566)
Net income (loss) before income taxes 772,907 163,176 (2,276,703)
Commissions, transportation and other      
Cruise operating expense      
Total cruise operating expense 1,917,443 1,883,279 1,034,629
Onboard and other      
Segment Reporting Information [Line Items]      
Total revenue 3,064,106 2,795,958 1,589,961
Cruise operating expense      
Total cruise operating expense 661,553 599,904 357,932
Payroll and related      
Cruise operating expense      
Total cruise operating expense 1,344,718 1,262,119 1,088,639
Fuel      
Cruise operating expense      
Total cruise operating expense 698,050 716,833 686,825
Food      
Cruise operating expense      
Total cruise operating expense 312,992 358,310 263,807
Other      
Cruise operating expense      
Total cruise operating expense 753,940 648,142 835,254
Single reportable segment      
Segment Reporting Information [Line Items]      
Total revenue 9,479,651 8,549,924 4,843,760
Cruise operating expense      
Adjusted total cruise operating expense 5,666,443 5,447,711 4,243,246
Other operating expense      
Adjusted marketing, general and administrative 1,362,404 1,241,482 1,286,585
Depreciation and amortization 890,242 808,568 749,326
Adjusted total other operating expense 2,252,646 2,050,050 2,035,911
Adjusted operating income (loss) 1,560,562 1,052,163 (1,435,397)
Non-cash compensation (94,656) (121,252) (116,360)
Interest expense, net 747,223 727,531 801,512
Other income (expense), net (54,224) 40,204 (76,566)
Net income (loss) before income taxes 772,907 163,176 (2,276,703)
Single reportable segment | Commissions, transportation and other      
Cruise operating expense      
Total cruise operating expense 1,917,443 1,883,279 1,034,629
Single reportable segment | Onboard and other      
Cruise operating expense      
Total cruise operating expense 661,553 599,904 357,932
Single reportable segment | Payroll and related      
Cruise operating expense      
Adjusted total cruise operating expense 1,322,465 1,241,243 1,064,799
Single reportable segment | Fuel      
Cruise operating expense      
Total cruise operating expense 698,050 716,833 686,825
Single reportable segment | Food      
Cruise operating expense      
Total cruise operating expense 312,992 358,310 263,807
Single reportable segment | Other      
Cruise operating expense      
Total cruise operating expense $ 753,940 $ 648,142 $ 835,254