Share-Based Compensation - Restricted Stock Awards and Units and Deferred Share Units General Information (Details)	12 Months Ended
	Dec. 31, 2021
Restricted Stock Awards | Graded vesting | Minimum
Share-based Compensation
Award vesting period	3 years
Restricted Stock Awards | Graded vesting | Maximum
Share-based Compensation
Award vesting period	4 years
Restricted Stock Awards | Cliff vesting
Share-based Compensation
Award vesting period	5 years
Restricted Stock Units | Minimum
Share-based Compensation
Award vesting period	3 years
Restricted Stock Units | Maximum
Share-based Compensation
Award vesting period	4 years
Deferred Share Units | Minimum
Share-based Compensation
Award vesting period	3 years
Deferred Share Units | Maximum
Share-based Compensation
Award vesting period	4 years