v3.10.0.1

Long-Term Debt (Tables) | 9 Months Ended
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Sep. 30, 2018
Debt Disclosure [Abstract] |
Summary of Long-Term Debt |
| As at |  | As at
| September 30, 2018 |  | December 31, 2017
| $ |  | $
Revolving Credit Facilities due through 2022 | 465,763 |  |  | 539,735 |
Term Loans due through 2021 | 348,946 |  |  | 423,512 |
Total principal | 814,709 |  |  | 963,247 |
Less: unamortized discount and debt issuance costs | (7,631 | ) |  | (10,945 | )
Total debt | 807,078 |  |  | 952,302 |
Less: current portion | (103,843 | ) |  | (166,745 | )
Non-current portion of long-term debt | 703,235 |  |  | 785,557 |

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