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Stock-based Compensation - Schedule of Directors' Deferred Share Unit Plan (Details) - Directors' Deferred Share Unit Plan
3 Months Ended
Mar. 31, 2022
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of shares, beginning balance 456,260
Number of shares, granted 0
Number of shares, settled 0
Number of shares, cancelled 0
Number of shares, ending balance 456,260