Annual report [Section 13 and 15(d), not S-K Item 405]

Income Taxes (Details)

v3.25.0.1
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Prestige Cruises International Inc          
Schedule Of Income Taxes [Line Items]          
Net operating loss carryforwards $ 155.0   $ 155.0    
U.S. net operating loss carryforwards, expiration year     2030    
U.S.          
Schedule Of Income Taxes [Line Items]          
Net operating loss carryforwards 848.4 $ 845.5 $ 848.4 $ 845.5  
U.S. net operating loss carryforwards, expiration year     2030    
Valuation allowance 161.9   $ 13.0 2.3 $ 43.3
NORWAY          
Schedule Of Income Taxes [Line Items]          
Net operating loss carryforwards 9.5 10.8 9.5 10.8  
State and Local Jurisdiction          
Schedule Of Income Taxes [Line Items]          
Net operating loss carryforwards 30.3 32.1 30.3 32.1  
BERMUDA          
Schedule Of Income Taxes [Line Items]          
Net operating loss carryforwards 3,700.0 3,500.0 $ 3,700.0 $ 3,500.0  
Valuation allowance $ 15.4 $ 532.4      
Minimum [Member] | U.S.          
Schedule Of Income Taxes [Line Items]          
U.S. net operating loss carryforwards, expiration year     2028    
Maximum [Member] | U.S.          
Schedule Of Income Taxes [Line Items]          
U.S. net operating loss carryforwards, expiration year     2044