Leases - Schedule of Future Minimum Rental Payments For Finance and Operating Leases (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Finance Leases, 2021	$ 1,186
Finance Leases, 2022	1,080
Finance Leases, 2023	568
Finance Leases, 2024	160
Finance Leases, 2025	152
Finance Leases, Thereafter	425
Finance Leases, Total	3,571
Finance Leases, Less: Imputed interest	(183)
Finance Leases, Total lease liabilities, net of interest	3,388	$ 3,068
Operating Leases, 2021	2,879
Operating Leases, 2022	2,870
Operating Leases, 2023	2,499
Operating Leases, 2024	2,279
Operating Leases, 2025	2,229
Operating Leases, Thereafter	3,163
Operating Leases, Total	15,919
Operating Leases, Less: Imputed interest	(1,538)
Operating Leases, Total lease liabilities, net of interest	$ 14,381	$ 16,231