Income Taxes - Schedule of Significant Components of Provision for Income Taxes for Continuing Operations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal	$ 8,445	$ 7,117	$ 6,376
State	1,422	360	(511)
Total current	9,867	7,477	5,865
Deferred:
Federal	1,970	3,183	3,603
State	399	555	230
Total deferred	2,369	3,738	3,833
Total income tax provision for continuing operations	$ 12,236	$ 11,215	$ 9,698

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.