Leases - Schedule of Breakout of Operating leases (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 12,458	$ 13,482
Other current liabilities	2,117	2,085
Operating lease liabilities	11,655	12,738
Total operating lease liabilities	$ 13,772	$ 14,823
Weighted average remaining lease term	6 years 9 months 18 days	7 years 3 months 18 days
Weighted average discount rate	5.55%	5.54%