Annual report pursuant to Section 13 and 15(d)

Quarterly Selected Financial Data (Parentheticals) (Detail)

v2.4.1.9
Quarterly Selected Financial Data (Parentheticals) (Detail) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]                      
Share-based compensation       $ 2,700,000us-gaap_AllocatedShareBasedCompensationExpense         $ 20,600,000us-gaap_AllocatedShareBasedCompensationExpense $ 23,100,000us-gaap_AllocatedShareBasedCompensationExpense $ 5,200,000us-gaap_AllocatedShareBasedCompensationExpense
Income tax expenses benefit       6,700,000us-gaap_IncomeTaxExpenseBenefit         (2,267,000)us-gaap_IncomeTaxExpenseBenefit 11,802,000us-gaap_IncomeTaxExpenseBenefit 706,000us-gaap_IncomeTaxExpenseBenefit
Non cash expense 13,600,000us-gaap_OtherNoncashExpense 7,000,000us-gaap_OtherNoncashExpense 5,000,000us-gaap_OtherNoncashExpense   4,100,000us-gaap_OtherNoncashExpense 9,300,000us-gaap_OtherNoncashExpense 69,100,000us-gaap_OtherNoncashExpense 110,400,000us-gaap_OtherNoncashExpense      
Tax restructuring cost 900,000nclh_TaxRestructuringCost 800,000nclh_TaxRestructuringCost 2,300,000nclh_TaxRestructuringCost                
Legal accounting and integration costs 37,200,000nclh_LegalAccountingAndIntegrationCosts 20,300,000nclh_LegalAccountingAndIntegrationCosts                  
Financing related cost 15,400,000nclh_FinancingRelatedCost                    
Acquisition expense 25,600,000nclh_AcquisitionExpense                    
Fair value adjustment of deferred revenue 13,000,000nclh_FairValueAdjustmentOfDeferredRevenue                    
Amortization 12,600,000us-gaap_AdjustmentForAmortization                    
Tax expense to change in corporate structure $ 10,600,000nclh_TaxExpenseToChangeInCorporateStructure