Redeemable Non-controlling Interest (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Jul. 31, 2018
Royal Caribbean International \| Silversea Cruises Group
Redeemable Noncontrolling Interest [Line Items]
Ownership percentage by noncontrolling owners	33.30%
Silversea Cruises
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interest	$ 537,770	$ 537,770
Percentage of business acquired		66.70%

Percentage of voting equity interests acquired at the acquisition date in the business combination.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
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- Definition

This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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