Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Reconciliation between Basic and Diluted Earnings Per Share (Detail)

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Summary of Significant Accounting Policies - Reconciliation between Basic and Diluted Earnings Per Share (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Earnings Per Share [Abstract]        
Net income attributable to Norwegian Cruise Line Holdings Ltd. $ 201,078 $ 170,858 $ 363,961 $ 65,622
Net income $ 203,278 $ 172,894 $ 368,249 $ 66,479
Basic weighted-average shares outstanding 203,220,218 204,425,308 204,444,469 202,279,989
Dilutive effect of awards 5,286,963 6,277,936 5,548,178 6,393,619
Diluted weighted-average shares outstanding 208,507,181 210,703,244 209,992,647 208,673,608
Basic earnings per share (in dollars per share) $ 0.99 $ 0.84 $ 1.78 $ 0.32
Diluted earnings per share (in dollars per share) $ 0.97 $ 0.82 $ 1.75 $ 0.32