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Debt (Tables) | 12 Months Ended
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Dec. 31, 2020
Debt |
Schedule of Debt | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Carrying amount
​ | ​ | December 31, | ​ | December 31,
​ |  | 2020 |  | 2019
Short-term debt | ​ | $ | 29,145 | ​ | $ | 4,705
​ | ​ | ​ | ​ | ​ | ​ | ​
Long-term debt: | ​ |  |  | ​ |  |
​ | ​ | ​ | ​ | ​ | ​ | ​
Term loan and long-term revolver loan: | ​ |  |  | ​ |  |
Term loan denominated in Canadian dollars, secured, bearing interest at a weighted average rate of 2.72%, due in monthly installments of interest only and quarterly installments of principal, maturing in October 2023 | ​ |  | 98,420 | ​ |  | 155,355
Long-term revolver loan denominated in Canadian dollars, secured, bearing interest at a weighted average rate of 2.72%, due in monthly installments of interest only, maturing in October 2023 | ​ |  | 46,184 | ​ |  | —
Less: unamortized debt issue costs | ​ |  | (690) | ​ |  | (807)
Senior unsecured notes: | ​ |  | ​ | ​ |  | ​
Bearing interest at 5.375% due in semi-annual installments, with the full amount of principal due in January 2025 | ​ |  | 500,000 | ​ |  | 500,000
Less: unamortized debt issue costs | ​ |  | (7,266) | ​ |  | (9,067)
Total long-term debt | ​ |  | 636,648 | ​ |  | 645,481
​ | ​ | ​ | ​ | ​ | ​ | ​
Total debt | ​ | $ | 665,793 | ​ | $ | 650,186
​ | ​ | ​ | ​ | ​ | ​ | ​
Long-term debt: | ​ |  |  | ​ |  |
Current portion | ​ | $ | 10,360 | ​ | $ | 18,277
Non-current portion | ​ |  | 626,288 | ​ |  | 627,204
Total long-term debt | ​ | $ | 636,648 | ​ | $ | 645,481
Schedule Of Future Principal Loan Repayments | ​
​ | ​ | ​ | ​
​ |  | Face value
2021 |  | $ | 10,360
2022 |  | ​ | 10,360
2023 |  | ​ | 123,884
2024 |  | ​ | —
2025 | ​ | ​ | 500,000
Thereafter |  | ​ | —
​ | ​ | $ | 644,604
​

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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