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Summarized Information About Incentive Share, Deferred Share and Restricted Stock Units (Detail) | 12 Months Ended
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Dec. 31, 2019 shares
Restricted Stock Units |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Outstanding at January 1, 2019 | 5,302,825
Granted | 854,800
Vested / Exercised | (1,241,280)
Forfeited and cancelled | (3,540)
Outstanding at December 31, 2019 | 4,912,805
Deferred Share Units |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Outstanding at January 1, 2019 | 151,695
Granted | 18,468
Vested / Exercised | 0
Forfeited and cancelled | 0
Outstanding at December 31, 2019 | 170,163

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