COVID-19 - (Additional Information) (Detail) $ in Millions	1 Months Ended		3 Months Ended
	Dec. 31, 2021 USD ($)	Jan. 31, 2021 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2022 CAD ($)
Extraordinary And Unusual Items [Abstract]
Increase in credit losses			$ 0
Provision for credit losses			100,000
Net proceeds from sale of convertible unsecured subordinated debentures	$ 25,600,000	$ 29,500,000
Subsidies expected to be repaid upon finalization of compensation to specified executives			400,000	$ 0.5
Reversal of incremental provision			600,000
Government subsidies receivable			$ 0