Leases - Summary of Other Information Related to Leases (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 426	$ 259	$ 758	$ 512
Operating cash flows from finance leases	139	114	280	227
Financing cash flows from finance leases	$ 95	$ 148	$ 171	$ 299