Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Organization (Details)

v3.7.0.1
Description of Business and Organization (Details)
 6 Months Ended
Jun. 30, 2017
CruiseShip
Berth
Description Of Business And Organization [Line Items]  
Number of cruises ships 25
Capacity of ship, berths | Berth 50,400
Project Leonardo  
Description Of Business And Organization [Line Items]  
Increased number of berths | Berth 72,300
Ships launching period through 2025  
Description Of Business And Organization [Line Items]  
Number of additional ships 7
Ships launching period through 2025 | Project Leonardo  
Description Of Business And Organization [Line Items]  
Number of cruises ships 4
Capacity of ship, berths | Berth 3,300
Number of additional ships 4
Ships launching period in 2026 and 2027  
Description Of Business And Organization [Line Items]  
Number of additional ships 2