Income Taxes - Summary of Expense (Benefit) for Income Tax (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current tax expense
Federal	$ 2,629	$ 3,806	$ 2,816
State	955	1,053	827
Current tax expense, Gross	3,584	4,859	3,643
Deferred tax expense (benefit)
Federal	967	(542)	(809)
State	208	(174)	(61)
Deferred tax expense (benefit), Gross	(467)	(716)	(870)
Income tax expense	$ 4,759	$ 4,143	$ 2,773

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.