Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Taxes [Line Items]
Accumulated undistributed foreign earnings	$ 251,000
Valuation allowance against deferred assets - non-current	14,524	$ 50,636
Gross unrecognized tax benefits, including interest and penalties	18,190	17,008
Unrecognized tax benefit that if recognized would impact effective tax rate	18,190	17,008
Accrued for interest and penalties	$ 4,111	$ 3,198
Foreign | Minimum
Income Taxes [Line Items]
Tax credit carryforwards expiring year	2015
State | Minimum
Income Taxes [Line Items]
Net operating losses carried forward expiring period	5 years
State | Maximum
Income Taxes [Line Items]
Net operating losses carried forward expiring period	20 years
Net operating losses carried forward expiring year	2036