Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Income Tax [Line Items]
Undistributed non-U.S. subsidiary earnings	$ 46,800
Undistributed earnings subject to U.S. federal income tax	16,400
Valuation allowance	13,167	$ 14,442
Deferred tax liability not recognized related to tax basis difference in investment in foreign subsidiaries	$ 7,600
Income tax year under examination	2012
Liability for uncertain tax positions	$ 8,100	$ 2,800
Increase decrease in liability for uncertain tax positions	5,300
Unrecognized tax benefits	$ 5,800
Minimum
Income Tax [Line Items]
Operating loss carryforward period	20
Maximum
Income Tax [Line Items]
Operating loss carryforward period	indefinite