Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Organization (Detail Textuals)

v3.10.0.1
Description of Business and Organization (Detail Textuals)
 6 Months Ended
Jun. 30, 2018
CruiseShip
Berth
Description Of Business And Organization [Line Items]  
Number of cruises ships 26
Capacity of ship, berths | Berth 54,400
Project Leonardo  
Description Of Business And Organization [Line Items]  
Number of cruises ships 2
Increased number of berths | Berth 78,900
Ships Launching Period Through 2027  
Description Of Business And Organization [Line Items]  
Number of additional ships 8
Ships Launching Period In 2022 And 2027 | Project Leonardo  
Description Of Business And Organization [Line Items]  
Number of additional ships 6