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Share Capital - Additional Information (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended
Aug. 29, 2025
USD ($)
Apr. 18, 2024
CAD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
CAD ($)
shares
Jun. 30, 2026
CAD ($)
shares
Mar. 31, 2026
CAD ($)
shares
Class Of Stock [Line Items]            
Exchangeable shares | shares     0      
Principal amount         $ 285,365 $ 280,972
Common stock, shares issued | shares         423,021,942 422,068,225
CBI Exchange            
Class Of Stock [Line Items]            
Shares issued | shares   17,149,925        
Exchangeable shares | shares   17,149,925        
CBI Exchange Agreement            
Class Of Stock [Line Items]            
Exchangeable shares | shares   9,111,549        
Price per exchangeable share | $ / shares   $ 8.91        
Greenstar            
Class Of Stock [Line Items]            
Principal amount   $ 81,220        
Promissory Note            
Class Of Stock [Line Items]            
Principal amount   $ 100,000        
August 2025 ATM Program            
Class Of Stock [Line Items]            
Sale of common stock $ 200,000,000          
Number of units issued | shares     0      
Combined gross sales proceeds 200,000,000          
August 2025 ATM Program | Maximum [Member]            
Class Of Stock [Line Items]            
Gross proceed fom sale of common stock $ 50,000,000          
February 2025 ATM Program            
Class Of Stock [Line Items]            
Sale of common stock       $ 38,261    
Number of units issued | shares       21,006,528    
Gross proceed fom sale of common stock       $ 38,261    
August 2025 Equity Distribution Agreement            
Class Of Stock [Line Items]            
Aggregate offering price of issuance and sale of common shares     $ 200,000,000