Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Abstract]
Effective tax rate from continuing operations	34.90%		47.00%	46.90%	49.00%
Valuation allowance	$ 1,700			$ 1,700
Net deferred tax assets	106,280	$ 106,300		106,280
Valuation allowance against state net operating loss carryforwards		860
Unrecognized tax benefits	$ 167	$ 167		$ 167