Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details)

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Income Taxes (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Mar. 31, 2019
Schedule Of Income Taxes [Line Items]        
Valuation allowance $ 45.0 $ 39.6    
Tax benefit connection with the reversal of substantially all of valuation allowance on net operating loss carryforwards       $ 35.7
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  
Tax benefit connection with the reversal of substantially all of valuation allowance on net operating loss carryforwards   30.0    
U.S.        
Schedule Of Income Taxes [Line Items]        
Net operating loss carryforwards 525.3 352.9 $ 525.3  
U.S. net operating loss carryforwards, expiration year     2030  
NORWAY        
Schedule Of Income Taxes [Line Items]        
Net operating loss carryforwards 13.2 13.4 $ 13.2  
State and Local Jurisdiction        
Schedule Of Income Taxes [Line Items]        
Net operating loss carryforwards $ 12.5 $ 5.4 $ 12.5  
Minimum | U.S.        
Schedule Of Income Taxes [Line Items]        
U.S. net operating loss carryforwards, expiration year     2028  
Maximum | U.S.        
Schedule Of Income Taxes [Line Items]        
U.S. net operating loss carryforwards, expiration year     2041