Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets - Gross carrying amounts included in goodwill and intangible assets related to accumulated amortization and weighted average amortization periods (Detail 1)

v2.4.1.9
Goodwill and Intangible Assets - Gross carrying amounts included in goodwill and intangible assets related to accumulated amortization and weighted average amortization periods (Detail 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]  
Gross Carrying Amount $ 1,007,525us-gaap_FiniteLivedIntangibleAssetsGross
Accumulated Amortization (12,528)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Weighted - Average Amortization Period (Years) 4 years 2 months 12 days
Customer relationships  
Finite-Lived Intangible Assets [Line Items]  
Gross Carrying Amount 120,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
Accumulated Amortization (4,556)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
Weighted - Average Amortization Period (Years) 6 years
Backlog  
Finite-Lived Intangible Assets [Line Items]  
Gross Carrying Amount 70,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= nclh_BacklogMember
Accumulated Amortization (7,972)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= nclh_BacklogMember
Weighted - Average Amortization Period (Years) 1 year
Tradenames (Indefinite-lived)  
Finite-Lived Intangible Assets [Line Items]  
Gross Carrying Amount 817,525us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
Accumulated Amortization