Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Income Tax Disclosure [Abstract]
Effective tax rate from continuing operations	38.80%		40.70%
Valuation allowance	$ 1,700
Net deferred tax assets	105,421	$ 106,300
Deferred tax asset, increase (decrease)		860
Unrecognized tax benefits	$ 167	$ 167