Quarterly report pursuant to Section 13 or 15(d)

Reconciliation between Basic and Diluted Earnings Per Share (Detail)

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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, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Earnings Per Share [Line Items]        
Net income attributable to Norwegian Cruise Line Holdings Ltd. $ 170,858 $ 128,188 $ 65,622 $ 167,503
Net income $ 172,894 $ 128,188 $ 66,479 $ 167,503
Basic weighted-average shares outstanding 204,425,308 178,252,763 202,279,989 178,198,984
Dilutive effect of awards 6,277,936 797,287 6,393,619 787,520
Diluted weighted-average shares outstanding 210,703,244 179,050,050 208,673,608 178,986,504
Basic earnings per share $ 0.84 $ 0.72 $ 0.32 $ 0.94
Diluted earnings per share $ 0.82 $ 0.72 $ 0.32 $ 0.94