Indebtedness - Schedule of Activity in Deferred Financing Charges (Details) - CAD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Schedule of Activity in Deferred Financing Charges [Line Items] | ||||
| Impact of foreign exchange | $ 4,290 | $ (10,918) | $ 6,038 | $ (11,177) |
| Telesat Lightspeed Financing Warrants [Member] | ||||
| Schedule of Activity in Deferred Financing Charges [Line Items] | ||||
| Balance | 429,100 | |||
| Transferred to debt issue costs | (55,182) | |||
| Impact of foreign exchange | 14,758 | |||
| Balance | 388,676 | 388,676 | ||
| Debt issue costs [Member] | ||||
| Schedule of Activity in Deferred Financing Charges [Line Items] | ||||
| Balance | 26,834 | |||
| Transferred to debt issue costs | (3,450) | |||
| Impact of foreign exchange | 922 | |||
| Balance | 24,306 | 24,306 | ||
| Total [Member] | ||||
| Schedule of Activity in Deferred Financing Charges [Line Items] | ||||
| Balance | 455,934 | |||
| Transferred to debt issue costs | (58,632) | |||
| Impact of foreign exchange | 15,680 | |||
| Balance | $ 412,982 | $ 412,982 | ||