Revenues - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Capitalized Contract Cost [Line Items]
Passenger ticket revenues	$ 2,993,075	$ 456,958	$ 6,236,548	$ 549,886
Contract liability	1,600,000		1,600,000		$ 800,000
Future cruise credits	500,000		500,000
Contract asset	139,600		139,600		52,900
Commission, transportation and other
Capitalized Contract Cost [Line Items]
Prepaid travel agent commissions	78,600		78,600		$ 75,400
Port Costs
Capitalized Contract Cost [Line Items]
Passenger ticket revenues	$ 210,200	$ 29,300	$ 446,300	$ 33,900
Minimum
Capitalized Contract Cost [Line Items]
Length of cruise			2 days
Maximum
Capitalized Contract Cost [Line Items]
Length of cruise			24 days