Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Income Taxes (Detail) - Provision (Benefit) for Income Taxes from Continuing Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal									$ 0us-gaap_CurrentFederalTaxExpenseBenefit	$ (16)us-gaap_CurrentFederalTaxExpenseBenefit
State									229	29
Current income tax expense (benefit)									229us-gaap_CurrentIncomeTaxExpenseBenefit	13us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred:
Federal									5,010	(642)
State									(2,974)	(85)
Deferred income tax expense (benefit)									2,036us-gaap_DeferredIncomeTaxExpenseBenefit	(727)us-gaap_DeferredIncomeTaxExpenseBenefit
Provision (benefit) for income taxes	$ 3,267us-gaap_IncomeTaxExpenseBenefit	$ (1,169)us-gaap_IncomeTaxExpenseBenefit	$ 86us-gaap_IncomeTaxExpenseBenefit	$ 81us-gaap_IncomeTaxExpenseBenefit	$ (758)us-gaap_IncomeTaxExpenseBenefit	$ 19us-gaap_IncomeTaxExpenseBenefit	$ 25us-gaap_IncomeTaxExpenseBenefit	$ 0us-gaap_IncomeTaxExpenseBenefit	$ 2,265us-gaap_IncomeTaxExpenseBenefit	$ (714)us-gaap_IncomeTaxExpenseBenefit