v3.26.1
Accumulated Other Comprehensive Income (Loss) - Accumulated Other Comprehensive Income (Details) - CAD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Accumulated Other Comprehensive Income Loss [Line Items]      
Beginning balance $ 478,566 $ 400,566 $ 760,022
Ending balance 697,594 478,566 400,566
Foreign Currency Translation Adjustments      
Accumulated Other Comprehensive Income Loss [Line Items]      
Beginning balance 535 (31,178) (30,261)
Other comprehensive income 9,995 13,120 (917)
Disposal and liquidation of consolidated entities   18,593  
Ending balance 10,530 535 (31,178)
Changes of Own Credit Risk of Financial Liabilities      
Accumulated Other Comprehensive Income Loss [Line Items]      
Beginning balance   15,127 16,401
Disposal of consolidated entities     11,060
Other comprehensive income     (12,334)
Extinguishment of promissory note and issuance of exchangeable shares   (15,127)  
Ending balance     15,127
Accumulated Other Comprehensive Income (Loss)      
Accumulated Other Comprehensive Income Loss [Line Items]      
Beginning balance 535 (16,051) (13,860)
Disposal of consolidated entities     11,060
Other comprehensive income 9,995 13,120 (13,251)
Disposal and liquidation of consolidated entities   18,593  
Extinguishment of promissory note and issuance of exchangeable shares   (15,127)  
Ending balance $ 10,530 $ 535 $ (16,051)