Income Taxes (Tables)
 12 Months Ended
Dec. 31, 2013
Income Taxes [Abstract]  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Year Ended December 31,
201320122011
(Dollars in thousands)
Current:
Federal$9,112$9,045$9,377
State1,3251,1431,025
Total current10,43710,18810,402
Deferred
Federal(811)(3,077)(6,243)
State14346(12)
Total deferred(668)(3,031)(6,255)
Total income tax expense$9,769$7,157$4,147
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
December 31,
20132012
(Dollars in thousands)
Deferred income tax assets:
Allowance for credit losses$3,805$2,755
Interest-rate swaps and caps1265
Accrued expenses8561,055
Deferred income1,8821,850
Deferred compensation1,6411,671
Other comprehensive income159—
Other (819)113
Total deferred income tax assets7,5367,509
Deferred income tax liabilities:
Lease accounting(22,386)(22,547)
Deferred acquisition costs(2,936)(2,656)
Other comprehensive income—(34)
Depreciation(90)(101)
Total deferred income tax liabilities(25,412)(25,338)
Net deferred income tax liability$(17,876)$(17,829)
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Year Ended December 31,
201320122011
Statutory federal income tax rate35.0%35.0%35.0%
State taxes, net of federal benefit3.7%4.1%5.1%
Other permanent differences(0.5)%0.1%0.2%
Interest on amended returns(0.6)%(0.3)%—%
Other—%(0.9)%(0.1)%
Effective rate37.6%38.0%40.2%