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Income Taxes - Summary of Provision for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Current federal	$ 2,474	$ 58	$ 163
Current state	1,444	273	214
Deferred federal	2,315	4,804	3,723
Deferred state	191	797	304
Provision for income taxes	$ 6,424	$ 5,932	$ 4,404

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