Annual report pursuant to Section 13 and 15(d)

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

v3.20.4
Summary of Significant Accounting Policies - Liquidity and Management's Plan (Details)
$ in Thousands
1 Months Ended 12 Months Ended
Apr. 30, 2022
USD ($)
Mar. 31, 2020
USD ($)
item
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Debt Instrument [Line Items]        
Number of reporting units | item   3    
Cash and cash equivalents     $ 3,300,482 $ 252,876
Principal amount outstanding     $ 1,552,480  
Substantial Doubt about Going Concern, within One Year [true false]     false  
Forecast        
Debt Instrument [Line Items]        
Debt amortization payments and ship milestone payments $ 560,000      
$875.0 million senior secured Revolving Loan Facility        
Debt Instrument [Line Items]        
Principal amount outstanding     $ 875,000  
$675 Million Senior Secured Revolving Loan Facility        
Debt Instrument [Line Items]        
Principal amount outstanding   $ 675,000    
NCLC | $875.0 million senior secured Revolving Loan Facility        
Debt Instrument [Line Items]        
Principal amount outstanding   $ 875,000