Annual report pursuant to Section 13 and 15(d)

Long-Term Debt (Detail Textuals)

v3.10.0.1
Long-Term Debt (Detail Textuals) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Apr. 04, 2018
Apr. 19, 2018
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Debt Instrument [Line Items]          
Interest expense, net     $ 270,400 $ 267,800 $ 276,900
Amortization of deferred financing costs     31,400 32,500 34,700
Loss on extinguishment of debt     (6,346) (22,211) (38,180)
Accrued interest liability     37,200 31,900  
Payment for Debt Extinguishment or Debt Prepayment Cost     $ 5,154 $ 15,506 $ 19,250
Senior Notes due 2021 (the "Notes")          
Debt Instrument [Line Items]          
Debt, principal amount $ 700,000        
Interest rate 4.75%        
Redemption amount $ 135,000        
Percentage of principal amount of redeemed 100.00%        
Payment for Debt Extinguishment or Debt Prepayment Cost $ 5,100        
Debt accrued interest 1,900        
Write-off of financing fees 1,200        
Aggregate principal amount of notes $ 565,000        
Norwegian Bliss          
Debt Instrument [Line Items]          
Contract price percentage   80.00%      
Debt, principal amount   $ 850,000      
Interest rate   3.92%      
Maturity date   Apr. 19, 2030