Leases - Summary of additional information regarding Company's Leases (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Lease cost:
Operating lease cost	$ 3,174	$ 3,352
Short-term lease cost	1,426	1,859
Total lease cost	4,600	$ 5,211
Other information:
Cash paid for amounts included in the measurement of operating liabilities (operating leases)	$ 3,587
Weighted-average remaining lease term (in years) – operating leases	9 years 4 months 24 days
Weighted-average discount rate – operating leases	6.30%