Leases - Summary of Operating Lease Cost (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Lease, Cost [Abstract]
Operating lease expense	$ 1,452	$ 1,388
Variable lease expense	459	386
Total lease expense	1,911	1,774
Operating cash outflows from operating leases	$ 1,841	$ 1,591