Description of Business and Organization (Details) - item	Jul. 31, 2025	Jun. 30, 2025
Description Of Business And Organization [Line Items]
Number of cruise ships		33
Capacity of ship, berths		70,100
Subsequent Event
Description Of Business And Organization [Line Items]
Number of additional cruise ships, option to cancel revised	2
Ships launching period in 2026 through 2028
Description Of Business And Organization [Line Items]
Number of additional ships		3
Ships launching period in 2030 through 2036
Description Of Business And Organization [Line Items]
Number of additional ships		4
Ships launching period in 2026 through 2036
Description Of Business And Organization [Line Items]
Number of additional ships		13
Ships launching period in 2027 through 2035
Description Of Business And Organization [Line Items]
Number of additional ships		4
Number of classes of ships		3
Ships launching period in 2026 and 2030
Description Of Business And Organization [Line Items]
Number of additional ships		2