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Fair Value (Narrative) (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Jun. 30, 2015
Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Loans held for sale $ 510,000   $ 510,000     $ 1,672,000
Unpaid principal balance of impairment loan at collateral 804,000   804,000     867,000
Valuation allowance 7,000   7,000     20,000
Write-downs of impaired collateral-dependent loans 0 $ 0 0 $ 0    
Credit Card Portfolio [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Loans held for sale 163,000   163,000   $ 175,000  
Fair Value, Inputs, Level 1 [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Assets measured at fair value on a recurring basis 0   0     0
Liabilities measured at fair value on a recurring basis 0   0     0
Assets measured at fair value on a nonrecurring basis 0   0     0
Liabilities measured at fair value on a nonrecurring basis 0   0     0
Fair Value, Inputs, Level 2 [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Loans held for sale 673,000   673,000     1,672,000
Assets measured at fair value on a nonrecurring basis 0   0     0
Liabilities measured at fair value on a nonrecurring basis 0   0     0
Fair Value, Inputs, Level 2 [Member] | Construction Loans [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Loans held for sale 0   0     1,833,000
Fair Value, Inputs, Level 3 [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Assets measured at fair value on a recurring basis 0   0     0
Liabilities measured at fair value on a recurring basis $ 0   $ 0     $ 0