Leases - Schedule of Lease Liability Payments (Detail) $ in Thousands	Jun. 30, 2019 USD ($)
Leases [Abstract]
2019 (excluding the six months ended June 30, 2019)	$ 5,379
2020	9,343
2021	6,616
2022	5,457
2023	4,249
Subsequent to 2023	18,011
Total Undiscounted Cash Flows	49,055
Less: Imputed interest	(10,356)
Present value	38,699
Current operating lease liabilities	8,987	[1]
Non-current operating lease liabilities	29,712
Total lease liabilities	$ 38,699

[1] This item is included in Accrued liabilities line on the Company’s Condensed Consolidated Balance Sheet