Income Taxes - Schedule of Significant Components of Provision for Income Taxes for Continuing Operations (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current [Abstract]
Federal	$ 7,059us-gaap_CurrentFederalTaxExpenseBenefit	$ 8,445us-gaap_CurrentFederalTaxExpenseBenefit	$ 7,117us-gaap_CurrentFederalTaxExpenseBenefit
State	940	1,422	360
Total current	7,999us-gaap_CurrentIncomeTaxExpenseBenefit	9,867us-gaap_CurrentIncomeTaxExpenseBenefit	7,477us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred [Abstract]
Federal	5,266	1,970	3,183
State	1,009	399	555
Total deferred	6,275us-gaap_DeferredIncomeTaxExpenseBenefit	2,369us-gaap_DeferredIncomeTaxExpenseBenefit	3,738us-gaap_DeferredIncomeTaxExpenseBenefit
Total income tax provision for continuing operations	$ 14,274us-gaap_IncomeTaxExpenseBenefit	$ 12,236us-gaap_IncomeTaxExpenseBenefit	$ 11,215us-gaap_IncomeTaxExpenseBenefit

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.