Quarterly report pursuant to Section 13 or 15(d)

Reconciliation between Basic and Diluted Earnings (Loss) Per Share (Detail)

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Reconciliation between Basic and Diluted Earnings (Loss) Per Share (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Earnings Per Share [Line Items]    
Net income (loss) attributable to Norwegian Cruise Line Holdings Ltd. $ (96,395) $ 3,284
Basic weighted-average shares outstanding 198,350,433 178,140,455
Dilutive effect of awards   814,505
Diluted weighted-average shares outstanding 198,350,433 178,954,960
Basic earnings (loss) per share $ (0.49) $ 0.02
Diluted earnings (loss) per share $ (0.49) $ 0.02