Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Other (Details)

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Summary of Significant Accounting Policies - Other (Details)
$ in Thousands, shares in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
USD ($)
item
shares
Jun. 30, 2023
USD ($)
shares
Jun. 30, 2024
USD ($)
item
shares
Jun. 30, 2023
USD ($)
shares
Dec. 31, 2023
USD ($)
Schedule Of Significant Accounting Policies [Line Items]          
Antidilutive securities excluded from computation of earnings per share | shares 7.1 55.7 53.3 89.6  
Foreign currency transaction gain (loss) $ 2,300 $ (11,100) $ 15,600 $ (19,800)  
Accounts receivable, net 209,343   209,343   $ 280,271
Ship, carrying value $ 16,632,973   $ 16,632,973   16,433,292
Number of cruise ships | item 32   32    
Credit Card Processors          
Schedule Of Significant Accounting Policies [Line Items]          
Accounts receivable, net $ 12,400   $ 12,400   $ 20,100
Sales Revenue, Net | Geographic Concentration Risk          
Schedule Of Significant Accounting Policies [Line Items]          
Concentration risk, benchmark     No other individual country’s revenues exceed 10% in any given period.    
Sales Revenue, Net | Geographic Concentration Risk | Minimum          
Schedule Of Significant Accounting Policies [Line Items]          
Percentage of revenue attributable to U.S.- sourced passengers     84.00%    
Sales Revenue, Net | Geographic Concentration Risk | Maximum          
Schedule Of Significant Accounting Policies [Line Items]          
Percentage of revenue attributable to U.S.- sourced passengers     87.00%