Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Goodwill [Roll Forward]
Beginning balance	$ 288,386	$ 286,764
Foreign currency translation adjustment	126	22
Ending balance	288,512	288,386
Royal Caribbean International Cruise Ships
Goodwill [Roll Forward]
Beginning balance	286,754	286,764
Foreign currency translation adjustment	126	(10)
Ending balance	286,880	286,754
Celebrity Cruises
Goodwill [Roll Forward]
Beginning balance	1,632	0
Foreign currency translation adjustment	0	32
Ending balance	$ 1,632	1,632
Ocean Adventures
Goodwill [Roll Forward]
Goodwill attributable to purchase of Ocean Adventures		1,600
Ocean Adventures \| Royal Caribbean International Cruise Ships
Goodwill [Roll Forward]
Goodwill attributable to purchase of Ocean Adventures		0
Ocean Adventures \| Celebrity Cruises
Goodwill [Roll Forward]
Goodwill attributable to purchase of Ocean Adventures		$ 1,600

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Details

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