Norwegian Cruise Line Holdings Ltd. Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail Textuals) - 3 months ended Mar. 31, 2018 € in Billions, $ in Billions	USD ($) CruiseShip Berth Gross_Ton	EUR (€) CruiseShip Berth Gross_Ton
Commitments and Contingencies Disclosure [Line Items]
Number of cruises ships	25	25
Capacity of berths \| Berth	50,400	50,400
Ships launching period through 2025
Commitments and Contingencies Disclosure [Line Items]
Number of additional ships	6
Ships launching period through 2025 \| Project Leonardo
Commitments and Contingencies Disclosure [Line Items]
Number of cruises ships	4	4
Capacity of ship, tons \| Gross_Ton	140,000	140,000
Capacity of berths \| Berth	3,300	3,300
Number of additional ships	4
Ships launching period in 2026 and 2027
Commitments and Contingencies Disclosure [Line Items]
Number of additional ships	2
Ship order delivery in winter 2020
Commitments and Contingencies Disclosure [Line Items]
Capacity of ship, tons \| Gross_Ton	55,000	55,000
Capacity of berths \| Berth	750	750
Ship Construction Contracts
Commitments and Contingencies Disclosure [Line Items]
Number of cruises ships	7	7
Aggregate contract price of new ships based on the euro/U.S. dollar exchange rate	$ 6.9	€ 5.6
Export credit facility financing as percentage of contract price	80.00%	80.00%
Ship Construction Contracts \| Breakaway plus class ships
Commitments and Contingencies Disclosure [Line Items]
Number of cruises ships	1	1
Capacity of ship, tons \| Gross_Ton	168,000	168,000
Capacity of berths \| Berth	4,000	4,000