Fair Value Measurements and Derivative Instruments (Interest Rate Risk) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed interest rate on long-term debt		75.00%		65.70%
Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Notional amount		$ 1,900,000		$ 2,900,000
Cash flow hedge | Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Notional Amount		1,920,365
Unsecured senior notes | Fair value hedging | Interest rate swaps
Interest Rate Fair Value Hedges [Abstract]
Long term debt, stated interest rate (as a percent)			5.25%
Celebrity Reflection term loan | Cash flow hedge | Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Notional Amount		$ 109,083
All-in Swap Fixed Rate		2.85%
Quantum of the Seas term loan | Cash flow hedge | Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Notional Amount		$ 245,000
All-in Swap Fixed Rate		3.74%
Anthem of the Seas term loan | Cash flow hedge | Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Notional Amount		$ 271,875
All-in Swap Fixed Rate		3.86%
Ovation of the Seas term loan | Cash flow hedge | Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Notional Amount		$ 380,417
All-in Swap Fixed Rate		3.16%
Harmony of the Seas term loan | Cash flow hedge | Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Notional Amount	[1]	$ 338,990
All-in Swap Fixed Rate	[1]	2.26%
Odyssey of the Seas term loan | Cash flow hedge | Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Notional Amount	[2]	$ 383,333
All-in Swap Fixed Rate	[2]	3.21%
Odyssey of the Seas term loan | Cash flow hedge | Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Notional Amount	[2]	$ 191,667
All-in Swap Fixed Rate	[2]	2.84%
London Interbank Offered Rate (LIBOR) | Celebrity Reflection term loan | Cash flow hedge | Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Debt Floating Rate		0.40%
London Interbank Offered Rate (LIBOR) | Quantum of the Seas term loan | Cash flow hedge | Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Debt Floating Rate		1.30%
London Interbank Offered Rate (LIBOR) | Anthem of the Seas term loan | Cash flow hedge | Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Debt Floating Rate		1.30%
London Interbank Offered Rate (LIBOR) | Ovation of the Seas term loan | Cash flow hedge | Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Debt Floating Rate		1.00%
London Interbank Offered Rate (LIBOR) | Odyssey of the Seas term loan | Cash flow hedge | Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Debt Floating Rate	[2]	0.96%
London Interbank Offered Rate (LIBOR) | Odyssey of the Seas term loan | Cash flow hedge | Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Debt Floating Rate	[2]	0.96%
Euro Interbank Offered Rate (EURIBOR) | Harmony of the Seas term loan | Cash flow hedge | Interest rate swaps
Interest Rate Cash Flow Hedges [Abstract]
Debt Floating Rate	[1]	1.15%

[1] Interest rate swap agreements hedging the Euro-denominated term loan for Harmony of the Seas include EURIBOR zero-floors matching the hedged debt EURIBOR zero-floor. Amount presented is based on the exchange rate as of December 31, 2022.

[2] Interest rate swap agreements hedging the term loan of Odyssey of the Seas include LIBOR zero-floors matching the debt LIBOR zero-floor. The effective dates of the $383.3 million and $191.7 million interest rate swap agreements are October 2020 and October 2022, respectively. The unsecured term loan for the financing of Odyssey of the Seas was drawn on March 2021.