Goodwill (Schedule of Goodwill) (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Jul. 09, 2020	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jul. 31, 2018
Goodwill [Roll Forward]
Beginning balance		$ 1,385,644	$ 1,385,644	$ 1,378,353
Silversea Goodwill adjustment				(5,224)
Goodwill attributable to the purchase of photo operation onboard our ships				12,518
Foreign currency translation adjustment			44	(3)
Transfer of goodwill attributable to the 2019 purchase of photo operations onboard our ships			0
Impairment charge			(576,208)
Ending balance			$ 809,480	1,385,644
Interest acquired	33.30%
Silversea Cruises
Goodwill [Roll Forward]
Interest acquired	33.30%		33.30%
Silversea Cruises
Goodwill [Roll Forward]
Percentage of business acquired					66.70%	66.70%
Royal Caribbean International
Goodwill [Roll Forward]
Beginning balance		299,226	$ 299,226	286,711
Silversea Goodwill adjustment				0
Goodwill attributable to the purchase of photo operation onboard our ships				12,518
Foreign currency translation adjustment			44	(3)
Transfer of goodwill attributable to the 2019 purchase of photo operations onboard our ships			(2,694)
Impairment charge		(576,200)	0
Ending balance			296,576	299,226
Celebrity Cruises
Goodwill [Roll Forward]
Beginning balance		1,632	1,632	1,632
Silversea Goodwill adjustment				0
Goodwill attributable to the purchase of photo operation onboard our ships				0
Foreign currency translation adjustment			0	0
Transfer of goodwill attributable to the 2019 purchase of photo operations onboard our ships			2,694
Impairment charge			0
Ending balance			4,326	1,632
Silversea Cruises
Goodwill [Roll Forward]
Beginning balance		$ 1,084,786	1,084,786	1,090,010
Silversea Goodwill adjustment				(5,224)
Goodwill attributable to the purchase of photo operation onboard our ships				0
Foreign currency translation adjustment			0	0
Transfer of goodwill attributable to the 2019 purchase of photo operations onboard our ships			0
Impairment charge			(576,208)
Ending balance			$ 508,578	$ 1,084,786