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Employee Benefit Plans - Schedule of Condensed Consolidated Statements of Income (Loss) (Details) $ in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 CAD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 CAD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 CAD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 CAD ($) | Sep. 30, 2024 USD ($)
Pension Plans Canadian [Member] |  |  |  |  |  |  |  |
Schedule of Condensed Consolidated Statements of Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Operating expenses | $ 1,062 |  | $ 1,088 |  | $ 3,184 |  | $ 3,262 |
Interest expense (income) | (624) |  | (419) |  | (1,856) |  | (1,261) |
Pension Plans US [Member] |  |  |  |  |  |  |  |
Schedule of Condensed Consolidated Statements of Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Operating expenses |  | $ 132 |  | $ 177 |  | $ 403 |  | $ 530
Interest expense (income) |  | 35 |  | 100 |  | 106 |  | 301
Pension Plans Total [Member] |  |  |  |  |  |  |  |
Schedule of Condensed Consolidated Statements of Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Operating expenses | 1,194 |  | 1,265 |  | 3,587 |  | 3,792 |
Interest expense (income) | (589) |  | (319) |  | (1,750) |  | (960) |
Other Post-employment Benefit Plans Canadian [Member] |  |  |  |  |  |  |  |
Schedule of Condensed Consolidated Statements of Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Operating expenses | 167 |  | 146 |  | 502 |  | 440 |
Interest expense (income) | 263 |  | 234 |  | 790 |  | 704 |
Other Post-employment Benefit Plans US [Member] |  |  |  |  |  |  |  |
Schedule of Condensed Consolidated Statements of Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Operating expenses |  |  |  |  |  |  |  |
Interest expense (income) |  | $ 58 |  | $ 47 |  | $ 159 |  | $ 140
Other Post-employment Benefit Plans Total [Member] |  |  |  |  |  |  |  |
Schedule of Condensed Consolidated Statements of Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Operating expenses | 167 |  | 146 |  | 502 |  | 440 |
Interest expense (income) | $ 321 |  | $ 281 |  | $ 949 |  | $ 844 |

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