Leases - Schedule of Breakout of Operating leases (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 11,737	$ 13,482
Other current liabilities	$ 2,004	$ 2,085
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
Operating lease liabilities	$ 11,018	$ 12,738
Total operating lease liabilities	$ 13,022	$ 14,823
Weighted average remaining lease term	6 years 4 months 24 days	7 years 3 months 18 days
Weighted average discount rate	5.54%	5.54%