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Stock-based compensation (Tables)
12 Months Ended
Dec. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of stock-based compensation expenses included in general and administrative expenses
Stock-based compensation expenses included in general and administrative expenses are as follows:
Year ended December 31,Note20242023
Restricted share unit plan21(a)$3,470 $2,702 
Performance restricted share unit plan21(b)2,501 2,677 
Deferred stock unit plan21(c)2,735 10,449 
 $8,706 $15,828 
Schedule of restricted share unit plan activity
Number of unitsWeighted-average exercise price
$ per share
Outstanding at December 31, 2022535,898 14.44 
Granted199,468 27.44 
Vested(256,193)8.77 
Forfeited(13,867)17.60 
Outstanding at December 31, 2023465,306 23.04 
Granted201,389 26.60 
Vested(120,109)20.14 
Forfeited(17,100)27.70 
Outstanding at December 31, 2024529,486 24.86 
Schedule of performance restricted share units
Number of unitsWeighted-average exercise price
$ per share
Outstanding at December 31, 2022431,714 12.47 
Granted101,597 25.62 
Vested(213,623)8.48 
Outstanding at December 31, 2023319,688 19.32 
Granted204,303 26.32 
Vested(61,935)20.14 
Forfeited(50,674)20.14 
Outstanding at December 31, 2024411,382 22.57 
Schedule of assumptions used in estimate of fair value
The Company estimated the fair value of the PSUs granted during the years ended December 31, 2024, and 2023 using a Monte Carlo simulation with the following assumptions:
20242023
Risk-free interest rate3.83 %4.21 %
Expected volatility36.50 %38.90 %
Schedule of stock plan activity
Number of units
Outstanding at December 31, 20221,020,213 
Granted31,575 
Redeemed(286,152)
Outstanding at December 31, 2023765,636 
Granted35,945 
Outstanding at December 31, 2024801,581