Share Capital and Equity - Summary of Share Capital and Equity (Details)	Sep. 30, 2021 shares
Class Of Stock [Line Items]
Number of shares outstanding	593,920,448
Class A Shares
Class Of Stock [Line Items]
Number of shares outstanding	592,644,240
Class C Shares
Class Of Stock [Line Items]
Number of shares outstanding	1,276,208
Class A Subordinate Voting Shares
Class Of Stock [Line Items]
Number of shares outstanding	592,644,240
Class C Multiple Voting Shares
Class Of Stock [Line Items]
Number of shares outstanding	1,276,208