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(Loss) Per Share (Tables) | 3 Months Ended
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Mar. 31, 2021
Earnings Per Share [Abstract] |
Reconciliation Between Basic and Diluted Earnings Per Share | A reconciliation between basic and diluted (loss) per share is as follows (in thousands, except per share data):
| Quarter Ended March 31,
| 2021 |  | 2020
Net (Loss) attributable to Royal Caribbean Cruises Ltd. for basic and diluted loss per share | $ | (1,131,722) |  |  | $ | (1,444,479) |
Weighted-average common shares outstanding | 243,004 |  |  | 209,097 |
Diluted weighted-average shares outstanding | 243,004 |  |  | 209,097 |
Basic (loss) per share | $ | (4.66) |  |  | $ | (6.91) |
Diluted (loss) per share | $ | (4.66) |  |  | $ | (6.91) |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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