v3.26.1
Summary of Significant Accounting Policies - Segment Reporting (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting Information [Line Items]        
Total revenue $ 2,640,544 $ 2,517,497 $ 4,971,765 $ 4,645,050
Cruise operating expense        
Total cruise operating expense 1,586,808 1,456,847 2,964,689 2,760,785
Other operating expense        
Depreciation and amortization 271,205 243,760 531,921 475,057
Total other operating expense 690,409 636,814 1,410,806 1,259,487
Interest expense, net (170,887) (236,782) (336,874) (454,654)
Other income (expense), net 33,517 (156,425) 74,220 (180,930)
Net income (loss) before income taxes 225,957 30,629 333,616 (10,806)
Service cost 614 552 1,228 1,105
Professional advisory fees 175   5,242  
Severance costs and other fees 7,460   17,652  
Commissions, transportation and other        
Cruise operating expense        
Total cruise operating expense 484,668 487,835 882,273 883,178
Onboard and other        
Segment Reporting Information [Line Items]        
Total revenue 910,706 808,512 1,699,606 1,517,381
Cruise operating expense        
Total cruise operating expense 191,446 187,684 343,314 326,542
Payroll and related        
Cruise operating expense        
Total cruise operating expense 394,573 346,133 774,789 680,637
Fuel        
Cruise operating expense        
Total cruise operating expense 219,384 157,377 388,310 332,391
Food        
Cruise operating expense        
Total cruise operating expense 87,322 81,323 168,004 156,911
Other        
Cruise operating expense        
Total cruise operating expense 209,415 196,495 407,999 381,126
Single reportable segment        
Segment Reporting Information [Line Items]        
Total revenue 2,640,544 2,517,497 4,971,765 4,645,050
Cruise operating expense        
Adjusted total cruise operating expense 1,580,609 1,450,887 2,952,653 2,749,448
Other operating expense        
Adjusted marketing, general and administrative 394,420 372,563 820,700 748,482
Depreciation and amortization 271,205 243,760 531,921 475,057
Adjusted total other operating expense 665,625 616,323 1,352,621 1,223,539
Adjusted operating income 394,310 450,287 666,491 672,063
Non-cash compensation, severance and professional advisory fees (30,983) (26,451) (70,221) (47,285)
Interest expense, net (170,887) (236,782) (336,874) (454,654)
Other income (expense), net 33,517 (156,425) 74,220 (180,930)
Net income (loss) before income taxes 225,957 30,629 333,616 (10,806)
Single reportable segment | Commissions, transportation and other        
Cruise operating expense        
Total cruise operating expense 484,668 487,835 882,273 883,178
Single reportable segment | Onboard and other        
Cruise operating expense        
Total cruise operating expense 191,446 187,684 343,314 326,542
Single reportable segment | Payroll and related        
Cruise operating expense        
Adjusted total cruise operating expense 388,374 340,173 762,753 669,300
Single reportable segment | Fuel        
Cruise operating expense        
Total cruise operating expense 219,384 157,377 388,310 332,391
Single reportable segment | Food        
Cruise operating expense        
Total cruise operating expense 87,322 81,323 168,004 156,911
Single reportable segment | Other        
Cruise operating expense        
Total cruise operating expense $ 209,415 $ 196,495 $ 407,999 $ 381,126