Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Details)

v3.20.1
Long-Term Debt (Details)
$ / shares in Units, € in Millions
1 Months Ended 3 Months Ended
May 08, 2020
May 31, 2020
USD ($)
D
$ / shares
Apr. 30, 2020
EUR (€)
installment
Mar. 31, 2020
USD ($)
Mar. 31, 2020
USD ($)
Apr. 30, 2020
USD ($)
Debt Instrument [Line Items]            
Long term-debt, reclassified       $ 1,400,000,000 $ 1,400,000,000  
Export Credit Backed Securities            
Debt Instrument [Line Items]            
Number of installments for amortization | installment     8      
$675 Million Senior Secured Revolving Loan Facility            
Debt Instrument [Line Items]            
Principal amount outstanding       675,000,000 675,000,000  
Maximum borrowing capacity       $ 675,000,000 675,000,000  
$675 Million Senior Secured Revolving Loan Facility | LIBOR            
Debt Instrument [Line Items]            
Basis spread on variable rate       0.80%    
$675 Million Senior Secured Revolving Loan Facility | Eurocurrency Loans | LIBOR            
Debt Instrument [Line Items]            
Basis spread on variable rate       1.75%    
$675 Million Senior Secured Revolving Loan Facility | Base Rate Loans | Base rate loans            
Debt Instrument [Line Items]            
Basis spread on variable rate       0.75%    
$260 Million Norwegian Jewel Term Loan            
Debt Instrument [Line Items]            
Principal amount   $ 260,000,000        
Private Exchangeable Notes            
Debt Instrument [Line Items]            
Redemption price as a percentage of face amount   100.00%        
Percentage of share price on debt instrument   250.00%        
Number of specified trading days | D   20        
Number of consecutive trading days | D   30        
Debt instrument amount   $ 1,000        
Ordinary share exchange rate   0.0826446        
Initial exchange price | $ / shares   $ 12.10        
Debt Instrument, Redemption Price, Percentage   100.00%        
Export Credit Backed Securities            
Debt Instrument [Line Items]            
Debt holiday period     12 months      
EUR 529.8 Million Breakaway One Loan            
Debt Instrument [Line Items]            
Principal amount | €     € 529.8      
EUR 529.8 Million Breakaway One Loan | Six Months London Interbank Offered Rate Libor            
Debt Instrument [Line Items]            
Basis spread on variable rate     0.90%      
EUR 529.8 Million Breakaway Two Loan            
Debt Instrument [Line Items]            
Principal amount | €     € 529.8      
EUR 529.8 Million Breakaway Two Loan | Six Months London Interbank Offered Rate Libor            
Debt Instrument [Line Items]            
Basis spread on variable rate     1.20%      
EUR 590.5 Million Breakaway Three Loan            
Debt Instrument [Line Items]            
Principal amount | €     € 590.5      
EUR 590.5 Million Breakaway Three Loan | Six Months London Interbank Offered Rate Libor            
Debt Instrument [Line Items]            
Basis spread on variable rate     1.50%      
EUR 729.9 Million Breakaway Four Loan            
Debt Instrument [Line Items]            
Principal amount | €     € 729.9      
EUR 729.9 Million Breakaway Four Loan | Six Months London Interbank Offered Rate Libor            
Debt Instrument [Line Items]            
Basis spread on variable rate     1.50%      
EUR 710.8 Million Seahawk 1 Term Loan            
Debt Instrument [Line Items]            
Principal amount | €     € 710.8      
EUR 710.8 Million Seahawk 1 Term Loan | Six Months London Interbank Offered Rate Libor            
Debt Instrument [Line Items]            
Basis spread on variable rate     1.00%      
EUR 748.7 Million Seahawk 2 Term Loan            
Debt Instrument [Line Items]            
Principal amount | €     € 748.7      
EUR 748.7 Million Seahawk 2 Term Loan | Six Months London Interbank Offered Rate Libor            
Debt Instrument [Line Items]            
Basis spread on variable rate     1.00%      
Subsequent Event | Export Credit Backed Securities            
Debt Instrument [Line Items]            
Principal amount outstanding           $ 386,000,000
Subsequent Event | $230 Pride of America Term Loan            
Debt Instrument [Line Items]            
Deferred term     1 year      
Principal amount           $ 230,000,000
Subsequent Event | $230 Pride of America Term Loan | Eurocurrency Loans | LIBOR            
Debt Instrument [Line Items]            
Basis spread on variable rate     1.75%      
Subsequent Event | $230 Pride of America Term Loan | Base Rate Loans | Base rate loans            
Debt Instrument [Line Items]            
Basis spread on variable rate     0.75%      
Subsequent Event | $260 Million Norwegian Jewel Term Loan            
Debt Instrument [Line Items]            
Annual debt repayment rate   25        
Subsequent Event | $260 Million Norwegian Jewel Term Loan | Eurocurrency Loans | LIBOR            
Debt Instrument [Line Items]            
Basis spread on variable rate   2.50%        
Subsequent Event | $260 Million Norwegian Jewel Term Loan | Base Rate Loans | Base rate loans            
Debt Instrument [Line Items]            
Basis spread on variable rate   1.50%        
Subsequent Event | Private Exchangeable Notes            
Debt Instrument [Line Items]            
Principal amount   $ 400,000,000        
Subsequent Event | Private Exchangeable Notes | Accreted Interest [Member] | Debt Instrument, First Year Post Issuance            
Debt Instrument [Line Items]            
Interest Rate   7.00%        
Subsequent Event | Private Exchangeable Notes | Accreted Interest [Member] | Debt Instrument, Four Years Following First Year Post Issuance            
Debt Instrument [Line Items]            
Interest Rate   4.50%        
Subsequent Event | Private Exchangeable Notes | Cash Interest | Debt Instrument, Four Years Following First Year Post Issuance            
Debt Instrument [Line Items]            
Interest Rate   3.00%        
Subsequent Event | Private Exchangeable Notes | Cash Interest | Debt Instrument, Final Year Prior To Maturity            
Debt Instrument [Line Items]            
Interest Rate   7.50%        
Subsequent Event | Senior Secured Notes Due 2024            
Debt Instrument [Line Items]            
Principal amount   $ 675,000,000.0        
Original issue discount and private offering   99.00%        
Interest Rate   12.25%        
Percentage of principal amount of debt redeemed   35.00%        
Percentage of thresholds, after percentage   65.00%        
Subsequent Event | Senior Secured Notes Due 2024 | Debt Redemption Prior To February 15, 2024            
Debt Instrument [Line Items]            
Redemption price as a percentage of face amount   100.00%        
Debt Instrument, Redemption Price, Percentage   100.00%        
Subsequent Event | Senior Secured Notes Due 2024 | Debt Redemption On Or After February 15, 2024            
Debt Instrument [Line Items]            
Redemption price as a percentage of face amount   100.00%        
Debt Instrument, Redemption Price, Percentage   100.00%        
Subsequent Event | Senior Secured Notes Due 2024 | Debt Redemption Prior To February 15, 2022            
Debt Instrument [Line Items]            
Redemption price as a percentage of face amount   112.25%        
Debt Instrument, Redemption Price, Percentage   112.25%        
Subsequent Event | Exchangeable Senior Secured Notes Due 2024            
Debt Instrument [Line Items]            
Principal amount   $ 862,500,000        
Interest Rate   6.00%        
Debt instrument amount   $ 1,000        
Ordinary share exchange rate   0.0727273        
Initial exchange price | $ / shares   $ 13.75        
Subsequent Event | Deferred Term A Loans | Fifth Amended And Restated Credit Agreement            
Debt Instrument [Line Items]            
Percentage of outstanding loans held by lender 87.57%          
Annual debt repayment rate 25          
Subsequent Event | Deferred Term A Loans | Fifth Amended And Restated Credit Agreement | Eurocurrency Loans | LIBOR            
Debt Instrument [Line Items]            
Basis spread on variable rate 2.50%          
Subsequent Event | Deferred Term A Loans | Fifth Amended And Restated Credit Agreement | Base Rate Loans | Base rate loans            
Debt Instrument [Line Items]            
Basis spread on variable rate 1.50%          
NCLC | $875.0 Million Senior Secured Revolving Loan Facility            
Debt Instrument [Line Items]            
Principal amount outstanding       $ 875,000,000 $ 875,000,000  
NCLC | $875.0 Million Senior Secured Revolving Loan Facility | LIBOR            
Debt Instrument [Line Items]            
Basis spread on variable rate         1.25%