Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Detail Textuals)

v3.6.0.2
Commitments and Contingencies (Detail Textuals)
€ in Millions, £ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2016
USD ($)
Gross_Ton
CruiseShip
Dec. 31, 2016
GBP (£)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2016
EUR (€)
Gross_Ton
CruiseShip
Dec. 31, 2016
GBP (£)
Gross_Ton
CruiseShip
Commitments and Contingencies Disclosure [Line Items]            
Total expense under non-cancelable operating lease commitments | $ $ 15.0   $ 12.6 $ 9.2    
British Travel Agents            
Commitments and Contingencies Disclosure [Line Items]            
Aggregate contract price of new ships | £           £ 10.5
Ship Construction Contracts            
Commitments and Contingencies Disclosure [Line Items]            
Scheduled delivery date of ships under construction spring of 2017, spring of 2018 and the fall of 2019 spring of 2017, spring of 2018 and the fall of 2019        
Cruising ships to be built | CruiseShip 3       3 3
Capacity of ship, tons | Gross_Ton 164,600       164,600 164,600
Aggregate contract price of new ships $ 2,700.0       € 2,600.0  
Export credit facility financing as percentage of contract price 80.00%       80.00% 80.00%
Ship Construction Contracts | Fincantieri Shipyard            
Commitments and Contingencies Disclosure [Line Items]            
Aggregate contract price of new ships $ 443.8       € 422.0  
Export credit facility financing as percentage of contract price 80.00%       80.00% 80.00%
Other Commitments            
Commitments and Contingencies Disclosure [Line Items]            
Performance guarantee required to be maintained | $ $ 30.0          
Secuirty gurantee | £   £ 10.5