Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Detail Textuals)

v3.10.0.1
Subsequent Events (Detail Textuals)
$ in Thousands, € in Millions
 1 Months Ended 12 Months Ended
Jan. 31, 2019
USD ($)
Additionlships
Dec. 31, 2018
USD ($)
CruiseShip
Jan. 31, 2019
EUR (€)
Jan. 30, 2019
USD ($)
Dec. 31, 2017
USD ($)
Subsequent Event [Line Items]          
Principal amount outstanding   $ 6,492,091     $ 6,307,765
Number of additional ships | CruiseShip   3      
Ships launching period through 2027          
Subsequent Event [Line Items]          
Number of additional ships | CruiseShip   8      
Project Leonardo Ships          
Subsequent Event [Line Items]          
Number of additional ships | CruiseShip   11      
Project Leonardo Ships | Ships launching period through 2027          
Subsequent Event [Line Items]          
Number of additional ships | CruiseShip   6      
Revolving Loan Facility          
Subsequent Event [Line Items]          
Debt, principal amount   $ 875,000     875,000
Principal amount outstanding   130,000     78,000
Term Loan A          
Subsequent Event [Line Items]          
Principal amount outstanding   $ 1,256,167     $ 1,385,196
Subsequent Event | Ships launching period through 2027          
Subsequent Event [Line Items]          
Number of additional ships | Additionlships 5        
Export credit facility financing as percentage of contract price 80.00%   80.00%    
Subsequent Event | Project Leonardo Ships | Ships launching period in 2026 and 2027          
Subsequent Event [Line Items]          
Number of additional ships | Additionlships 2        
Aggregate contract price of new ships $ 917,400   € 800.0    
Subsequent Event | Explorer Class Ship | Ship to be delivered in 2023          
Subsequent Event [Line Items]          
Aggregate contract price of new ships $ 543,000   473.5    
Subsequent Event | Allura Class Ships | Ships to be delivered in 2022 and 2025          
Subsequent Event [Line Items]          
Number of additional ships | Additionlships 2        
Aggregate contract price of new ships $ 663,600   € 578.7    
Subsequent Event | Revolving Loan Facility          
Subsequent Event [Line Items]          
Debt, principal amount 875,000        
Subsequent Event | Term Loan A          
Subsequent Event [Line Items]          
Principal amount outstanding $ 1,600,000     $ 1,300,000  
Subsequent Event | Revolving Loan Facility and term loan A facility          
Subsequent Event [Line Items]          
Maturity date 2024        
Decrease in interest rate 0.25%