Summary of Significant Accounting Policies (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) item	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Schedule Of Significant Accounting Policies [Line Items]
Foreign currency transaction gain (loss)	$ 8,400	$ 4,800
Accounts receivable, net	544,961		$ 1,167,473
Ship, carrying value	$ 13,532,399		13,528,806
Number of cruise ships | item	28
Credit Card Processors
Schedule Of Significant Accounting Policies [Line Items]
Accounts receivable, net	$ 426,200		$ 1,100,000
Revenue | 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.