Income Taxes - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Components Of Income Tax Expense Benefit [Line Items]
Change in estimate, increase in net income	$ 2,400
Change in estimate, increase in earnings per share	$ 0.13
Net decrease in valuation allowance	$ 1,600
Change of intention for foreign earnings	1,300
Unremitted foreign earnings	$ 198,900	$ 184,600
Minimum percentage of income tax benefit	50.00%
Gross unrecognized tax benefit	$ 18,400	15,800
Interest and penalties on unrecognized tax benefits	2,100	200
Accrued interest and penalties related to unrecognized tax benefits	3,000	$ 800
Maximum [Member]
Components Of Income Tax Expense Benefit [Line Items]
Interest and penalties on unrecognized tax benefits			$ 100
U.S. federal [Member]
Components Of Income Tax Expense Benefit [Line Items]
Operating loss carry forwards, net of tax	4,100
State [Member]
Components Of Income Tax Expense Benefit [Line Items]
Operating loss carry forwards, net of tax	15,100
Foreign Jurisdictions [Member]
Components Of Income Tax Expense Benefit [Line Items]
Operating loss carry forwards, net of tax	$ 155,500