Leases - Schedule of Lease Cost and Other Information (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
Lease Cost
Operating lease cost	$ 2,761	$ 5,482
Short-term lease cost	1,204	2,383
Variable lease cost	301	599
Total lease cost	4,266	8,464
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flow from operating leases	2,787	5,534
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 828	$ 1,494