Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Summary of Long-term debt (Details)

v3.6.0.2
Long-Term Debt - Summary of Long-term debt (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Total debt $ 6,398,687 $ 6,397,537
Less: current portion of long-term debt (560,193) (629,840)
Total long-term debt $ 5,838,494 $ 5,767,697
4.750% senior unsecured notes    
Debt Instrument [Line Items]    
Interest Rate 4.75%
Extended maturity year 2021  
Total debt $ 691,767
4.625% senior unsecured notes    
Debt Instrument [Line Items]    
Interest Rate 4.625% 4.625%
Extended maturity year 2020  
Total debt $ 592,031 $ 590,037
Norwegian Epic Term Loan    
Debt Instrument [Line Items]    
Interest Rate [1] 3.00% 2.43%
Extended maturity year [1] 2022  
Total debt [1] $ 395,830 $ 460,870
Senior Secured Revolving Credit Facility    
Debt Instrument [Line Items]    
Interest Rate 2.78%
Extended maturity year 2018  
Total debt $ 75,000
Secured Revolving Credit Facility One    
Debt Instrument [Line Items]    
Interest Rate 2.70%
Extended maturity year 2021  
Total debt $ 129,000
Senior secured term loan facility    
Debt Instrument [Line Items]    
Interest Rate 4.00%
Extended maturity year 2021  
Total debt $ 338,353
Term Loan Facilities    
Debt Instrument [Line Items]    
Interest Rate 2.77% 2.85%
Extended maturity year 2021  
Total debt $ 1,459,033 $ 1,185,720
Pride of Hawai'i Loan    
Debt Instrument [Line Items]    
Interest Rate [1] 1.83% 1.27%
Extended maturity year [1] 2018  
Total debt [1] $ 54,601 $ 89,867
Norwegian Jewel Term Loan    
Debt Instrument [Line Items]    
Interest Rate 1.83% 1.28%
Extended maturity year 2017  
Total debt $ 26,919 $ 53,534
Pride Of America Hermes Loan    
Debt Instrument [Line Items]    
Interest Rate [1] 1.90% 1.64%
Extended maturity year [1] 2017  
Total debt [1] $ 12,654 $ 37,778
Breakaway One Loan    
Debt Instrument [Line Items]    
Interest Rate [1] 2.49% 1.92%
Extended maturity year [1] 2025  
Total debt [1] $ 469,100 $ 522,859
Breakaway Two Loan    
Debt Instrument [Line Items]    
Interest Rate [1] 4.50% 4.50%
Extended maturity year [1] 2026  
Total debt [1] $ 537,478 $ 592,531
Breakaway Three Loan    
Debt Instrument [Line Items]    
Interest Rate [1] 2.98% 2.98%
Extended maturity year [1] 2027  
Total debt [1] $ 653,474 $ 711,187
Breakaway Four Loan    
Debt Instrument [Line Items]    
Interest Rate [1] 2.98% 2.98%
Extended maturity year [1] 2029  
Total debt [1] $ 150,834 $ 108,964
Norwegian Jewel Term Loan One    
Debt Instrument [Line Items]    
Interest Rate [1] 1.82% 1.27%
Extended maturity year [1] 2017  
Total debt [1] $ 7,260 $ 28,649
Norwegian Jade Term Loan    
Debt Instrument [Line Items]    
Interest Rate 1.82% 1.27%
Extended maturity year 2017  
Total debt $ 7,531 $ 29,149
Seahawk 1 term loan    
Debt Instrument [Line Items]    
Interest Rate [1] 3.92% 3.92%
Extended maturity year [1] 2030  
Total debt [1] $ 137,514 $ 40,845
Seahawk 2 term loan    
Debt Instrument [Line Items]    
Interest Rate [1] 3.92% 3.92%
Extended maturity year [1] 2031  
Total debt [1] $ 42,083 $ 40,845
5.25% senior unsecured notes    
Debt Instrument [Line Items]    
Interest Rate 5.25%
Extended maturity year 2019  
Total debt $ 670,059
Sirena loan    
Debt Instrument [Line Items]    
Interest Rate 2.75% 2.75%
Extended maturity year 2019  
Total debt $ 40,465 $ 53,229
Explorer Newbuild Loan    
Debt Instrument [Line Items]    
Interest Rate 3.43%
Extended maturity year 2028  
Total debt $ 320,821
Marina newbuild loan    
Debt Instrument [Line Items]    
Interest Rate [2] 1.54% 1.01%
Extended maturity year [2] 2023  
Total debt [2] $ 290,416 $ 335,135
Riviera newbuild loan    
Debt Instrument [Line Items]    
Interest Rate [3] 1.81% 1.08%
Extended maturity year [3] 2024  
Total debt [3] $ 337,174 $ 382,173
Capital lease and license obligations    
Debt Instrument [Line Items]    
Extended maturity year 2028  
Total debt $ 42,702 $ 50,753
[1] Currently U.S. dollar-denominated.
[2] Includes premium of $0.2 million and $0.3 million as of December 31, 2016 and 2015, respectively.
[3] Includes premium of $0.3 million and $0.4 million as of December 31, 2016 and 2015, respectively.