Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail Textuals)

v2.4.1.9
Summary of Significant Accounting Policies - Additional Information (Detail Textuals) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Accounting Policies [Abstract]    
Number of exculdes shares, as including these would be antidilutive 4,745,812us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount  
Amounts of tax included on a gross basis $ 51.9nclh_BusinessAndOtherTaxesOnRevenues $ 37.9nclh_BusinessAndOtherTaxesOnRevenues