Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Leases [Abstract]
Operating cash flows for operating leases	$ 167	$ 160	$ 553	$ 413
Operating cash flows for finance leases	1	2	4	6
Financing cash flows for finance leases	$ 11	$ 25	$ 48	$ 54