Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Liquidity and Management's Plan (Details)

v3.21.2
Summary of Significant Accounting Policies - Liquidity and Management's Plan (Details)
$ in Thousands
1 Months Ended 9 Months Ended
Mar. 31, 2021
USD ($)
Mar. 31, 2020
item
Sep. 30, 2021
USD ($)
item
Dec. 31, 2021
Nov. 30, 2021
USD ($)
Nov. 09, 2021
item
Jan. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Debt Instrument [Line Items]                
Number of reporting units | item   3            
Number of ships operating | item           11    
Covenant, minimum liquidity             $ 200,000  
Proceeds from debt and equity financing $ 2,700,000              
Repayment and extinguishment of debt, amount $ 1,500,000              
Number of cruise ships | item     28          
Expected operating capacity of the fleet       75.00%        
Cash and cash equivalents     $ 1,934,816         $ 3,300,482
Substantial Doubt about Going Concern, within One Year [true false]     false          
Unfunded Loan Commitment [Member]                
Debt Instrument [Line Items]                
Maximum borrowing capacity         $ 1,000,000