Income Taxes - Provisions (benefit) for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Current:
Federal	$ 660	$ 2,216	$ (529)	$ 3,000
State	31	500	1,273	797
Total Current	691	2,716	744	3,797
Deferred:
Federal	(2,568)	3,256	10,825	5,536
State	(538)	373	717	634
Total Deferred	(3,106)	3,629	11,542	6,170
Provisions (benefit) for income taxes	$ (2,415)	$ 6,345	$ 12,286	$ 9,967

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.