Leases - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Leased Assets [Line Items]
Operating lease renewal term (up to)	10 years
Operating lease, cost	$ 9,922	$ 7,400	$ 6,900
Lessor, operating lease renewal term	5 years
Rental income	$ 1,100	$ 1,200	$ 1,500
Minimum
Operating Leased Assets [Line Items]
Operating lease term	1 year
Maximum
Operating Leased Assets [Line Items]
Operating lease term	8 years