Supplemental Cash Flow Information - Summary of Supplemental Cash Flow Information Related to Leases (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 994	$ 854
Operating cash flows from finance leases	264	142
Financing cash flows from finance leases		105
Non-cash additions to Right-of-use assets and lease liabilities
Operating leases	$ 33	$ 423