Income Taxes - Schedule of Income Tax Reconciliation (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Pre-tax (loss) income from continuing operations		$ (2,120)	$ (10,663)	$ 10,008
Federal tax (benefit) expense, at statutory rates		(742)	(3,732)	3,503
State tax expense, net of federal tax effects		842	13	1,748
Entity restructuring reduction in state deferred tax assets		0	1,597	0
Non-deductible transaction costs		102	849	0
Permanent non-deductible expenses		223	203	241
Impact of equity investment income at statutory tax rate		1,795	128	575
Change in state valuation allowance	$ 860	860	0	0
Non-deductible executive compensation		508	0	0
Tax effect of uncertain tax position		4	(302)	86
Employment credits		(100)	(100)	(276)
Other		(36)	(63)	0
Reduction in gross deferred tax assets due to IRC Section 382 limitations		0	0	227
Total income tax expense (benefit)		$ 3,456	$ (1,407)	$ 6,104