Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Detail Textuals)

v3.19.3
Long-Term Debt (Detail Textuals) - USD ($)
9 Months Ended
May 15, 2019
Jan. 10, 2019
Jan. 02, 2019
Sep. 30, 2019
Sep. 30, 2018
Debt Instrument [Line Items]          
Loss on extinguishment of debt       $ (3,988,000) $ (6,346,000)
Fourth Amended And Restated Credit Agreement | New Term A Loan Facility and New Revolving Loan Facility | Eurocurrency loans | Maximum          
Debt Instrument [Line Items]          
Basis spread on variable rate     1.75%    
Fourth Amended And Restated Credit Agreement | New Term A Loan Facility and New Revolving Loan Facility | Eurocurrency loans | Minimum          
Debt Instrument [Line Items]          
Basis spread on variable rate     1.00%    
Fourth Amended And Restated Credit Agreement | New Term A Loan Facility and New Revolving Loan Facility | Base rate loans | Maximum          
Debt Instrument [Line Items]          
Basis spread on variable rate     0.75%    
Fourth Amended And Restated Credit Agreement | New Term A Loan Facility and New Revolving Loan Facility | Base rate loans | Minimum          
Debt Instrument [Line Items]          
Basis spread on variable rate     0.00%    
NCLC | Bank of America          
Debt Instrument [Line Items]          
Loss on extinguishment of debt $ (1,100,000)        
NCLC | Term Loan A Facility | Nordea Bank ABP          
Debt Instrument [Line Items]          
Principal amount   $ 230,000,000      
NCLC | Term Loan A Facility | Bank of America          
Debt Instrument [Line Items]          
Principal amount $ 260,000,000        
NCLC | Term Loan A Facility | LIBOR | Nordea Bank ABP          
Debt Instrument [Line Items]          
Description of variable rate basis   LIBOR      
Basis spread on variable rate   1.00%      
Maturity date   Jan. 10, 2021      
Basis spread on variable rate after extension of maturity date   1.10%      
NCLC | Term Loan A Facility | LIBOR | Bank of America          
Debt Instrument [Line Items]          
Description of variable rate basis LIBOR        
Basis spread on variable rate 0.80%        
Maturity date May 15, 2022        
NCLC | Fourth Amended And Restated Credit Agreement          
Debt Instrument [Line Items]          
Loss on extinguishment of debt     $ (2,900,000)    
NCLC | Fourth Amended And Restated Credit Agreement | Revolving Loan Facility          
Debt Instrument [Line Items]          
Revolving Loan Facility     875,000,000    
NCLC | Fourth Amended And Restated Credit Agreement | New Term A Loan Facility and New Revolving Loan Facility | Maximum          
Debt Instrument [Line Items]          
Commitment fee     0.30    
NCLC | Fourth Amended And Restated Credit Agreement | New Term A Loan Facility and New Revolving Loan Facility | Eurocurrency loans          
Debt Instrument [Line Items]          
Basis spread on variable rate       1.25%  
NCLC | Fourth Amended And Restated Credit Agreement | Term Loan          
Debt Instrument [Line Items]          
Prior principal amount     1,300,000,000    
Principal amount     $ 1,600,000,000