Share Capital - Schedule of Share Capital (Detail) - shares	Mar. 31, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Authorized share capital	145,364,335	145,364,335
Common Shares [Member]
Class of Stock [Line Items]
Registered share capital	82,028,328	80,321,227
Authorized share capital	39,316,975	39,316,975
Common Shares [Member] | Employee Benefit Plans [Member]
Class of Stock [Line Items]
Conditional share capital	19,099,332	20,806,433
Common Shares [Member] | Bonds or Similar Debt Instruments [Member]
Class of Stock [Line Items]
Conditional share capital	4,919,700	4,919,700