Loans (Details 3) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Financing Receivable Impaired [Line Items]
Unpaid Principal Balance, With no related allowance recorded	$ 6,093	$ 6,452
Unpaid Principal Balance, With an allowance recorded	6,303	6,908
Unpaid Principal Balance	12,396	13,360
Recorded Investment, With no related allowance recorded	5,623	5,720
Recorded Investment, With an allowance recorded	6,253	6,877
Recorded Investment	11,876	12,597
Allowance for Loan Losses Allocated	1,055	874
Commercial real estate, Owner occupied
Financing Receivable Impaired [Line Items]
Unpaid Principal Balance, With no related allowance recorded	2,437	2,448
Unpaid Principal Balance, With an allowance recorded	2,870	2,882
Recorded Investment, With no related allowance recorded	2,302	2,318
Recorded Investment, With an allowance recorded	2,863	2,882
Allowance for Loan Losses Allocated	671	446
Commercial real estate, Non-owner occupied
Financing Receivable Impaired [Line Items]
Unpaid Principal Balance, With no related allowance recorded	385	391
Unpaid Principal Balance, With an allowance recorded	1,532	1,548
Recorded Investment, With no related allowance recorded	384	391
Recorded Investment, With an allowance recorded	1,531	1,548
Allowance for Loan Losses Allocated	64	68
Commercial
Financing Receivable Impaired [Line Items]
Unpaid Principal Balance, With no related allowance recorded	440	531
Unpaid Principal Balance, With an allowance recorded	686	1,444
Recorded Investment, With no related allowance recorded	419	511
Recorded Investment, With an allowance recorded	669	1,429
Allowance for Loan Losses Allocated	219	272
Residential real estate, 1-4 family residential
Financing Receivable Impaired [Line Items]
Unpaid Principal Balance, With no related allowance recorded	2,360	2,421
Unpaid Principal Balance, With an allowance recorded	1,126	944
Recorded Investment, With no related allowance recorded	2,137	2,156
Recorded Investment, With an allowance recorded	1,101	928
Allowance for Loan Losses Allocated	98	85
Residential real estate, Home equity lines of credit
Financing Receivable Impaired [Line Items]
Unpaid Principal Balance, With no related allowance recorded	296	476
Unpaid Principal Balance, With an allowance recorded	89	90
Recorded Investment, With no related allowance recorded	281	251
Recorded Investment, With an allowance recorded	89	90
Allowance for Loan Losses Allocated	3	3
Consumer
Financing Receivable Impaired [Line Items]
Unpaid Principal Balance, With no related allowance recorded	175	185
Recorded Investment, With no related allowance recorded	$ 100	$ 93

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