Leases - Summary of Supplemental other Information Related to Operating Leases Balance Sheet (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Leases
Operating lease obligations (see Note 7 and 9)	$ 1,124	$ 1,535
Operating lease right-of-use assets (included in "Other assets" in Balance Sheet)	$ 596	$ 798
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets Noncurrent	Other Assets Noncurrent
Weighted-average remaining lease term (years)	2 years 3 months 18 days	3 years 3 months 18 days
Weighted-average discount rate	7.20%	7.20%