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SHARE-BASED PAYMENTS - Deferred share unit plan (Details) - DSUs
$ in Millions
12 Months Ended
Dec. 31, 2024
USD ($)
EquityInstruments
$ / shares
Dec. 31, 2023
USD ($)
EquityInstruments
$ / shares
Share-based payment transaction    
Minimum percentage of compensation for computing number of share units to outside director (as a percent) 50.00%  
DSUs granted 173,000 329,000
Weighted average grant-date fair value (C$/ unit) | $ / shares $ 10.91 $ 6.66
Number of share units outstanding 2,128,217  
Recognized liability | $ $ 19.8 $ 11.9