Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details)

v3.20.4
Income Taxes (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Schedule Of Income Taxes [Line Items]      
Net operating loss carryforwards $ 0    
Unrecognized tax benefits 1,352 $ 732 $ 532
Tax benefit connection with the reversal of substantially all of valuation allowance on net operating loss carryforwards 39,600 35,700  
Prestige Cruises International Inc      
Schedule Of Income Taxes [Line Items]      
Net operating loss carryforwards $ 155,000 145,000  
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 $ 30,000    
U.S.      
Schedule Of Income Taxes [Line Items]      
Net operating loss carryforwards $ 352,900 238,800  
U.S. net operating loss carryforwards, expiration year 2030    
NORWAY      
Schedule Of Income Taxes [Line Items]      
Net operating loss carryforwards $ 13,400 13,300  
State and Local Jurisdiction      
Schedule Of Income Taxes [Line Items]      
Net operating loss carryforwards $ 5,400 3,400  
U.K.      
Schedule Of Income Taxes [Line Items]      
Net operating loss carryforwards   $ 5,500  
Minimum | U.S.      
Schedule Of Income Taxes [Line Items]      
U.S. net operating loss carryforwards, expiration year 2026    
Maximum | U.S.      
Schedule Of Income Taxes [Line Items]      
U.S. net operating loss carryforwards, expiration year 2040