| Schedule of long-term debt | 
|   | 
  | 
Interest Rate December 31, | 
  | 
  | 
Maturities | 
  | 
  | 
Balance December 31, | 
  | 
 
|   | 
  | 
2018 | 
  | 
  | 
2017 | 
  | 
  | 
Through | 
  | 
  | 
2018 | 
  | 
  | 
2017 | 
  | 
 
|   | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
(in thousands) | 
  | 
 
|   | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
 
| $875.0 million senior secured revolving credit facility | 
  | 
  | 
3.96 | 
% | 
  | 
  | 
3.27 | 
% | 
  | 
  | 
2021 | 
  | 
  | 
$ | 
130,000 | 
  | 
  | 
$ | 
78,000 | 
  | 
 
| Term Loan A | 
  | 
  | 
4.01 | 
% | 
  | 
  | 
3.32 | 
% | 
  | 
  | 
2021 | 
  | 
  | 
  | 
1,256,167 | 
  | 
  | 
  | 
1,385,196 | 
  | 
 
| $375.0 million Term Loan B (1) | 
  | 
  | 
4.26 | 
% | 
  | 
  | 
3.18 | 
% | 
  | 
  | 
2021 | 
  | 
  | 
  | 
368,982 | 
  | 
  | 
  | 
371,914 | 
  | 
 
| $700.0 million 4.750% senior unsecured notes | 
  | 
  | 
4.75 | 
% | 
  | 
  | 
4.75 | 
% | 
  | 
  | 
2021 | 
  | 
  | 
  | 
561,021 | 
  | 
  | 
  | 
693,413 | 
  | 
 
| €662.9 million Norwegian Epic term loan (2) | 
  | 
  | 
4.58 | 
% | 
  | 
  | 
3.44 | 
% | 
  | 
  | 
2022 | 
  | 
  | 
  | 
259,394 | 
  | 
  | 
  | 
328,646 | 
  | 
 
| €308.1 million Pride of Hawai’i loan (2) | 
  | 
  | 
— | 
  | 
  | 
  | 
2.31 | 
% | 
  | 
  | 
2018 | 
  | 
  | 
  | 
— | 
  | 
  | 
  | 
18,438 | 
  | 
 
| €529.8 million Breakaway one loan (2) | 
  | 
  | 
4.09 | 
% | 
  | 
  | 
2.97 | 
% | 
  | 
  | 
2025 | 
  | 
  | 
  | 
360,680 | 
  | 
  | 
  | 
415,039 | 
  | 
 
| €529.8 million Breakaway two loan (2) | 
  | 
  | 
4.50 | 
% | 
  | 
  | 
4.50 | 
% | 
  | 
  | 
2026 | 
  | 
  | 
  | 
426,503 | 
  | 
  | 
  | 
482,133 | 
  | 
 
| €590.5 million Breakaway three loan (2) | 
  | 
  | 
2.98 | 
% | 
  | 
  | 
2.98 | 
% | 
  | 
  | 
2027 | 
  | 
  | 
  | 
537,223 | 
  | 
  | 
  | 
595,494 | 
  | 
 
| €729.9 million Breakaway four loan (2) | 
  | 
  | 
2.98 | 
% | 
  | 
  | 
2.98 | 
% | 
  | 
  | 
2029 | 
  | 
  | 
  | 
694,536 | 
  | 
  | 
  | 
758,595 | 
  | 
 
| €666 million Seahawk 1 term loan (2) | 
  | 
  | 
3.92 | 
% | 
  | 
  | 
3.92 | 
% | 
  | 
  | 
2030 | 
  | 
  | 
  | 
756,061 | 
  | 
  | 
  | 
184,837 | 
  | 
 
| €666 million Seahawk 2 term loan (2) | 
  | 
  | 
3.92 | 
% | 
  | 
  | 
3.92 | 
% | 
  | 
  | 
2031 | 
  | 
  | 
  | 
187,612 | 
  | 
  | 
  | 
90,351 | 
  | 
 
| Leonardo newbuild one loan | 
  | 
  | 
2.68 | 
% | 
  | 
  | 
— | 
  | 
  | 
  | 
2034 | 
  | 
  | 
  | 
48,009 | 
  | 
  | 
  | 
— | 
  | 
 
| Leonardo newbuild two loan | 
  | 
  | 
2.77 | 
% | 
  | 
  | 
— | 
  | 
  | 
  | 
2035 | 
  | 
  | 
  | 
48,009 | 
  | 
  | 
  | 
— | 
  | 
 
| Leonardo newbuild three loan | 
  | 
  | 
1.22 | 
% | 
  | 
  | 
— | 
  | 
  | 
  | 
2036 | 
  | 
  | 
  | 
43,667 | 
  | 
  | 
  | 
— | 
  | 
 
| Leonardo newbuild four loan | 
  | 
  | 
1.31 | 
% | 
  | 
  | 
— | 
  | 
  | 
  | 
2037 | 
  | 
  | 
  | 
43,667 | 
  | 
  | 
  | 
— | 
  | 
 
| Sirena loan | 
  | 
  | 
2.75 | 
% | 
  | 
  | 
2.75 | 
% | 
  | 
  | 
2019 | 
  | 
  | 
  | 
13,856 | 
  | 
  | 
  | 
27,344 | 
  | 
 
| Explorer newbuild loan | 
  | 
  | 
3.43 | 
% | 
  | 
  | 
3.43 | 
% | 
  | 
  | 
2028 | 
  | 
  | 
  | 
268,970 | 
  | 
  | 
  | 
295,093 | 
  | 
 
| Marina newbuild loan (3) | 
  | 
  | 
3.07 | 
% | 
  | 
  | 
2.00 | 
% | 
  | 
  | 
2023 | 
  | 
  | 
  | 
201,007 | 
  | 
  | 
  | 
245,706 | 
  | 
 
| Riviera newbuild loan (4) | 
  | 
  | 
3.32 | 
% | 
  | 
  | 
2.11 | 
% | 
  | 
  | 
2024 | 
  | 
  | 
  | 
247,203 | 
  | 
  | 
  | 
292,183 | 
  | 
 
| Capital lease and license obligations | 
  | 
  | 
Various | 
  | 
  | 
  | 
Various | 
  | 
  | 
  | 
2028 | 
  | 
  | 
  | 
39,524 | 
  | 
  | 
  | 
45,383 | 
  | 
 
| Total debt | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
6,492,091 | 
  | 
  | 
  | 
6,307,765 | 
  | 
 
| Less: current portion of long-term debt | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
(681,218 | 
) | 
  | 
  | 
(619,373 | 
) | 
 
| Total long-term debt | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
$ | 
5,810,873 | 
  | 
  | 
$ | 
5,688,392 | 
  | 
 
 
  
|   | 
(1) | 
Includes original issue discount of $0.7 million and $0.9 million as of December 31, 2018 and 2017, respectively. | 
 
|   | 
(2) | 
Currently U.S. dollar-denominated. | 
 
|   | 
(3) | 
Includes premium of $0.1 million and $0.2 million as of December 31, 2018 and 2017, respectively. | 
 
|   | 
(4) | 
Includes premium of $0.2 million as of December 31, 2018 and 2017. | 
 
 
 |