Leases - Schedule of Lease Cost and Other Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Lease Cost
Operating lease cost	$ 10,908
Short-term lease cost	4,420
Variable lease cost	1,045
Total lease cost	16,373
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flow from operating leases	10,954
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 5,694