Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Other (Details)

v3.21.2
Summary of Significant Accounting Policies - Other (Details)
$ in Thousands, shares in Millions
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2020
item
Jun. 30, 2021
USD ($)
item
shares
Jun. 30, 2020
USD ($)
shares
Jun. 30, 2021
USD ($)
item
segment
shares
Jun. 30, 2020
USD ($)
shares
Dec. 31, 2020
USD ($)
Schedule Of Significant Accounting Policies [Line Items]            
Antidilutive securities excluded from computation of earnings per share | shares   99.2 59.2 110.0 33.1  
Number of reporting units | item 3          
Goodwill   $ 98,134   $ 98,134   $ 98,134
Indefinite-lived intangible assets, trade names   $ 500,525   $ 500,525   500,525
Number of reportable segments | segment       1    
Number of cruise ships | item   28   28    
Ship, carrying value   $ 13,431,884   $ 13,431,884   13,411,226
Paid-in-kind interest           19,300
Foreign currency transaction gain   200   5,000 $ 9,700  
Foreign currency transaction loss     $ 10,200      
Accounts receivable, net   422,598   422,598   $ 20,578
Credit Card Processors            
Schedule Of Significant Accounting Policies [Line Items]            
Accounts receivable, net   $ 400,700   $ 400,700    
Sales Revenue, Net | Geographic Concentration Risk            
Schedule Of Significant Accounting Policies [Line Items]            
Concentration risk, benchmark       No other individual country’s revenues exceed 10% in any given period.