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Shareholders' Equity - Share Purchase Warrants and Deferred share unit plan (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2024
USD ($)
EquityInstruments
shares
Dec. 31, 2023
USD ($)
EquityInstruments
shares
Share-Based Compensation Expenses    
Number of other equity instruments outstanding in share-based payment arrangement at beginning of year | shares 102,104  
Number of other equity instruments outstanding in share-based payment arrangement at end of year | shares 111,359 102,104
DSU plan    
Share-Based Compensation Expenses    
Number of other equity instruments outstanding in share-based payment arrangement at beginning of year 119,429 110,128
Granted 13,975 11,816
Settled (38,568) (2,515)
Number of other equity instruments outstanding in share-based payment arrangement at end of year 94,836 119,429
DSU liability | $ $ 11.1 $ 13.3