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Income Taxes (Schedule of Components of Income Tax Expense) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Tax Disclosure [Abstract]      
Current tax expense $ 1,926us-gaap_CurrentIncomeTaxExpenseBenefit $ 1,198us-gaap_CurrentIncomeTaxExpenseBenefit $ 2,209us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred tax expense (benefit) 142us-gaap_DeferredOtherTaxExpenseBenefit 1,190us-gaap_DeferredOtherTaxExpenseBenefit 350us-gaap_DeferredOtherTaxExpenseBenefit
Total income tax expense $ 2,068us-gaap_IncomeTaxExpenseBenefit $ 2,388us-gaap_IncomeTaxExpenseBenefit $ 2,559us-gaap_IncomeTaxExpenseBenefit