Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Details)

v3.20.2
Long-Term Debt (Details)
$ / shares in Units, € in Millions, shares in Millions
1 Months Ended 3 Months Ended 6 Months Ended
May 08, 2020
USD ($)
Jul. 31, 2020
USD ($)
$ / shares
Jun. 30, 2020
USD ($)
May 31, 2020
USD ($)
D
$ / shares
Apr. 30, 2020
USD ($)
installment
Mar. 31, 2020
USD ($)
Jun. 30, 2020
USD ($)
Mar. 31, 2020
USD ($)
Jun. 30, 2020
USD ($)
shares
Jun. 30, 2019
USD ($)
Apr. 30, 2020
EUR (€)
Debt Instrument [Line Items]                      
Principal amount outstanding     $ 1,088,923,000       $ 1,088,923,000   $ 1,088,923,000    
Debt modification cost $ 16,200,000                    
Loss on extinguishment of debt $ 5,000,000.0               5,014,000 $ 3,988,000  
Beneficial conversion feature             131,240,000   131,240,000    
Outstanding principal amount of notes     $ 1,262,500,000       $ 1,262,500,000   1,262,500,000    
Interest expense, net                 $ 12,529,000    
Export Credit Backed Securities                      
Debt Instrument [Line Items]                      
Principal amount outstanding         $ 386,000,000            
Number of installments for amortization | installment         8            
Debt holiday period         12 months            
Supplemental Agreement                      
Debt Instrument [Line Items]                      
Annual debt repayment rate       25              
$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      
Repayment of Epic credit facility   $ 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%          
$230 Pride of America Term Loan                      
Debt Instrument [Line Items]                      
Principal amount         $ 230,000,000            
$230 Pride of America Term Loan | Eurocurrency Loans | LIBOR                      
Debt Instrument [Line Items]                      
Basis spread on variable rate         1.75%            
$230 Pride of America Term Loan | 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              
Annual debt repayment rate       25              
$260 Million Norwegian Jewel Term Loan | Eurocurrency Loans | LIBOR                      
Debt Instrument [Line Items]                      
Basis spread on variable rate       2.50%              
$260 Million Norwegian Jewel Term Loan | Base Rate Loans | Base rate loans                      
Debt Instrument [Line Items]                      
Basis spread on variable rate       1.50%              
Private Exchangeable Notes                      
Debt Instrument [Line Items]                      
Principal amount       $ 400,000,000              
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       82.6446              
Initial exchange price | $ / shares       $ 12.10              
Remaining discount amortization period                 5 years 10 months 24 days    
Percentage of Effective interest rate     17.45%       17.45%   17.45%    
If-converted value above par value                 $ 143,100,000    
Shares available | shares                 33.1    
Private Exchangeable Notes | Maximum                      
Debt Instrument [Line Items]                      
Ordinary share exchange rate       90.9090              
Private Exchangeable Notes | Accreted Interest [Member] | Debt Instrument, First Year Post Issuance                      
Debt Instrument [Line Items]                      
Interest Rate       7.00%              
Private Exchangeable Notes | Accreted Interest [Member] | Debt Instrument, Four Years Following First Year Post Issuance                      
Debt Instrument [Line Items]                      
Interest Rate       4.50%              
Private Exchangeable Notes | Cash Interest | Debt Instrument, Four Years Following First Year Post Issuance                      
Debt Instrument [Line Items]                      
Interest Rate       3.00%              
Private Exchangeable Notes | Cash Interest | Debt Instrument, Final Year Prior To Maturity                      
Debt Instrument [Line Items]                      
Interest Rate       7.50%              
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%              
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%              
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%              
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%              
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       72.7273              
Initial exchange price | $ / shares       $ 13.75              
Remaining discount amortization period                 3 years 10 months 24 days    
Percentage of Effective interest rate     7.09%       7.09%   7.09%    
If-converted value above par value                 $ 168,100,000    
Shares available | shares                 62.7    
Exchangeable Senior Secured Notes Due 2024 | Maximum                      
Debt Instrument [Line Items]                      
Ordinary share exchange rate       89.4454              
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                    
Deferred Term A Loans | Fifth Amended And Restated Credit Agreement | Eurocurrency Loans | LIBOR                      
Debt Instrument [Line Items]                      
Basis spread on variable rate 2.50%                    
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%                    
Deferred Loans | Supplemental Agreement                      
Debt Instrument [Line Items]                      
Principal amount outstanding     $ 156,000,000       $ 156,000,000   $ 156,000,000    
Explorer Newbuild Loan | Six Months London Interbank Offered Rate Libor                      
Debt Instrument [Line Items]                      
Basis spread on variable rate     2.80%                
Splendor Newbuild Loan | Six Months London Interbank Offered Rate Libor                      
Debt Instrument [Line Items]                      
Basis spread on variable rate     1.75%                
Marina Newbuild Loan | Six Months London Interbank Offered Rate Libor                      
Debt Instrument [Line Items]                      
Basis spread on variable rate     0.55%                
Riviera Newbuild Loan | Six Months London Interbank Offered Rate Libor                      
Debt Instrument [Line Items]                      
Basis spread on variable rate     0.55%                
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 | 2025 Exchangeable Notes                      
Debt Instrument [Line Items]                      
Principal amount   $ 450,000,000.0                  
Interest Rate   5.375%                  
Debt instrument amount   $ 1,000                  
Ordinary share exchange rate   53.3333                  
Initial exchange price | $ / shares   $ 18.75                  
Subsequent Event | 2025 Exchangeable Notes | Maximum                      
Debt Instrument [Line Items]                      
Ordinary share exchange rate   66.6666                  
Subsequent Event | 2026 Senior Secured Notes                      
Debt Instrument [Line Items]                      
Principal amount   $ 750,000,000.0                  
Interest Rate   10.25%                  
Percentage of principal amount of debt redeemed   35.00%                  
Percentage of thresholds, after percentage   65.00%                  
Subsequent Event | 2026 Senior Secured Notes | Debt Redemption Prior To August 1, 2023                      
Debt Instrument [Line Items]                      
Redemption price as a percentage of face amount   100.00%                  
Subsequent Event | 2026 Senior Secured Notes | Debt Redemption On Or Prior To August 1, 2023 [Member]                      
Debt Instrument [Line Items]                      
Redemption price as a percentage of face amount   110.25%                  
NCLC                      
Debt Instrument [Line Items]                      
Principal amount           $ 1,550,000,000   1,550,000,000      
NCLC | $875 Million Senior Secured Revolving Loan Facility                      
Debt Instrument [Line Items]                      
Principal amount outstanding           875,000,000   $ 875,000,000      
NCLC | $875 Million Senior Secured Revolving Loan Facility | LIBOR                      
Debt Instrument [Line Items]                      
Basis spread on variable rate               1.50%      
NCLC | $675 Million Senior Secured Revolving Loan Facility                      
Debt Instrument [Line Items]                      
Principal amount outstanding           $ 675,000,000   $ 675,000,000