Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense for intangible assets	$ 744	$ 668	$ 598
Estimated aggregate amortization expense of intangible assets in 2022	704
Estimated aggregate amortization expense of intangible assets in 2023	590
Estimated aggregate amortization expense of intangible assets in 2024	438
Estimated aggregate amortization expense of intangible assets in 2025	309
Estimated aggregate amortization expense of intangible assets in 2026	$ 196