Fair Value Measurements and Derivatives - Effects of Cash Flow Hedge Accounting on Consolidated Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Total cruise operating expense	$ 1,387,423	$ 1,280,418
Depreciation and amortization	222,929	194,790
Interest expense, net	247,418	196,728
Other income (expense), net	14,551	(18,571)
Amount of Gain (Loss) Recognized in Other Comprehensive Loss	47,253	(18,475)
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (Expense)	3,333	9,874
Fuel
Derivative Instruments, Gain (Loss) [Line Items]
Total cruise operating expense	197,734	194,868
Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Other Comprehensive Loss	47,253	(18,475)
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (Expense)	3,333	9,874
Cash Flow Hedging | Fuel
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (Expense)	6,577	12,597
Cash Flow Hedging | Depreciation and amortization
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (Expense)	(4,119)	(2,686)
Cash Flow Hedging | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (Expense)	875	(37)
Cash Flow Hedging | Fuel contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Other Comprehensive Loss	47,253	(29,015)
Cash Flow Hedging | Fuel contracts | Fuel
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (Expense)	6,577	12,597
Cash Flow Hedging | Fuel contracts | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (gain) loss reclassified from accumulated other comprehensive income (loss) into income (expense) as a result that a forecasted transaction is no longer probable of occurring	(875)	37
Cash Flow Hedging | Foreign currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Other Comprehensive Loss		10,540
Cash Flow Hedging | Foreign currency contracts | Depreciation and amortization
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (Expense)	$ (4,119)	$ (2,686)