Annual report pursuant to Section 13 and 15(d)

Description of Business (Details)

v3.20.4
Description of Business (Details)
Dec. 31, 2020
item
Description Of Business And Organization [Line Items]  
Number of cruise ships 28
Capacity of ship, berths 59,150
Ships Launching Period Through 2027  
Description Of Business And Organization [Line Items]  
Number of additional ships 9
Increased number of berths 83,000
Ships Launching Period Through 2027 | Project Leonardo Ships  
Description Of Business And Organization [Line Items]  
Number of additional ships 6
Ships Launching Period Through 2023 And 2025  
Description Of Business And Organization [Line Items]  
Number of additional ships 2
Ship to be delivered in 2023  
Description Of Business And Organization [Line Items]  
Number of additional ships 1