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Capital Management (Tables) | 12 Months Ended
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Dec. 31, 2020
Capital Management [Abstract] |
Summary of Capitalisation and Ratio | As at December 31, 2020 and 2019, these ratios were as follows:
|  | 2020 |  |  | 2019 |
Long-term debt |  | $ | 1,236,210 |  |  | $ | 1,427,181 |
Shareholders’ equity |  |  | 1,406,640 |  |  |  | 1,527,432 |
Total capitalization |  | $ | 2,642,850 |  |  | $ | 2,954,613 |
Long-term debt to long-term debt plus equity ratio |  |  | 0.47 |  |  |  | 0.48 |

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