Leases - Summary of Other Information Related to Operating Leases (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 435	$ 415
ROU assets obtained in exchange for new operating lease liabilities	$ 1,495	$ 1,872
Weighted-average remaining lease term - operating leases, in years	3 years 10 months 24 days	4 years 10 months 24 days
Weighted-average discount rate - operating leases	2.80%	2.70%