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Long-Term Notes (Details) $ in Thousands, $ in Millions | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2022 CAD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 CAD ($) | Dec. 31, 2022 USD ($) | Jun. 01, 2022 USD ($) | Dec. 31, 2021 USD ($) | Feb. 05, 2020
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Long-term notes | $ 547,598 |  | $ 874,527 |  |  |  |
Repurchased and cancelled principal notes | 376,589 |  | 251,969 |  |  |  |
Early redemption expense | 6,286 |  | 4,858 |  |  |  |
Unamortized debt issuance costs |  |  |  |  | $ 1.7 |  |
Principal |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Long-term notes | 554,597 |  | 885,920 |  |  |  |
Loan repayments | 374,100 |  |  |  |  |  |
Changes in reported amount of U.S. denominated debt | 42,800 |  |  |  |  |  |
Unamortized debt issuance costs |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Long-term notes | $ (6,999) |  | (11,393) |  |  |  |
5.625% notes due June 1, 2024 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Notional amount |  |  |  | $ 0.0 | $ 200.0 | $ 200.0 |
5.625% notes due June 1, 2024 | Fixed interest rate |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Borrowings, interest rate | 5.625% |  |  | 5.625% |  |  |
5.625% notes due June 1, 2024 | Principal |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Long-term notes | $ 0 |  | 253,120 |  |  |  |
8.75% Notes Due April 1, 2027 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Notional amount |  |  |  | $ 409.8 |  | $ 500.0 |
Repurchased and cancelled principal notes |  | $ 90.2 |  |  |  |  |
Early redemption expense | $ 2,500 |  |  |  |  |  |
8.75% Notes Due April 1, 2027 | Fixed interest rate |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Borrowings, interest rate | 8.75% |  |  | 8.75% |  |  | 8.75%
8.75% Notes Due April 1, 2027 | Principal |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Long-term notes | $ 554,597 |  | $ 632,800 |  |  |  |

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