Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Detail Textuals)

v3.7.0.1
Subsequent Events (Detail Textuals)
Apr. 30, 2017
CruiseShip
Berth
Gross_Ton
Mar. 31, 2017
CruiseShip
Berth
Gross_Ton
Subsequent Event [Line Items]    
Number of cruises ships | CruiseShip   24
Capacity of berths | Berth   46,500
Project Leonardo | Ships launching period through 2025    
Subsequent Event [Line Items]    
Number of cruises ships | CruiseShip   4
Capacity of ship, tons | Gross_Ton   140,000
Capacity of berths | Berth   3,300
Export credit facility financing as percentage of contract prices   80.00%
Subsequent event | Norwegian Joy    
Subsequent Event [Line Items]    
Capacity of ship, tons | Gross_Ton 168,000  
Capacity of berths | Berth 3,880  
Subsequent event | Project Leonardo | Ships launching period through 2025    
Subsequent Event [Line Items]    
Number of cruises ships | CruiseShip 4  
Export credit facility financing as percentage of contract prices 80.00%