Revenues - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Capitalized Contract Cost [Line Items]
Passenger ticket revenues	$ 2,184,242	$ 50,914	$ 3,243,473	$ 92,928
Contract liability	1,900,000		1,900,000		$ 800,000
Future cruise credits	600,000		600,000
Contract asset	118,900		118,900		52,900
Commission, transportation and other
Capitalized Contract Cost [Line Items]
Prepaid travel agent commissions	119,400		119,400		$ 75,400
Port Costs
Capitalized Contract Cost [Line Items]
Passenger ticket revenues	$ 236,200	$ 3,200	$ 313,100	$ 4,700
Minimum
Capitalized Contract Cost [Line Items]
Length of cruise			2 days
Maximum
Capitalized Contract Cost [Line Items]
Length of cruise			25 days