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Loans and Allowance for Loan Losses (Details 7) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Summary of key information for impaired loans |  |
Unpaid Principal Balance | $ 16,137 | $ 15,542
Impaired loans | 11,974 | 11,157
Impaired loans with related allowance for loan losses | 8,612 | 7,492
Related allowance for loan losses | 2,749 | 2,644
Commercial [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 13,850 | 13,221
Impaired loans | 9,708 | 8,867
Impaired loans with related allowance for loan losses | 6,666 | 5,472
Related allowance for loan losses | 1,990 | 1,874
Commercial [Member] | Owner occupied RE [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 2,271 | 2,284
Impaired loans | 2,220 | 2,243
Impaired loans with related allowance for loan losses | 2,220 | 2,224
Related allowance for loan losses | 420 | 263
Commercial [Member] | Non-owner occupied RE [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 7,226 | 7,238
Impaired loans | 3,823 | 4,031
Impaired loans with related allowance for loan losses | 1,503 | 1,638
Related allowance for loan losses | 410 | 457
Commercial [Member] | Construction [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance |  |
Impaired loans |  |
Impaired loans with related allowance for loan losses |  |
Related allowance for loan losses |  |
Commercial [Member] | Business [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 4,353 | 3,699
Impaired loans | 3,665 | 2,593
Impaired loans with related allowance for loan losses | 2,943 | 1,610
Related allowance for loan losses | 1,160 | 1,154
Consumer [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 2,287 | 2,321
Impaired loans | 2,266 | 2,290
Impaired loans with related allowance for loan losses | 1,946 | 2,020
Related allowance for loan losses | 759 | 770
Consumer [Member] | Real estate [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 1,844 | 1,853
Impaired loans | 1,828 | 1,843
Impaired loans with related allowance for loan losses | 1,642 | 1,843
Related allowance for loan losses | 605 | 682
Consumer [Member] | Home equity [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 262 | 207
Impaired loans | 257 | 257
Impaired loans with related allowance for loan losses | 123 |
Related allowance for loan losses | 61 |
Consumer [Member] | Construction [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance |  |
Impaired loans |  |
Impaired loans with related allowance for loan losses |  |
Related allowance for loan losses |  |
Consumer [Member] | Other [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 181 | 261
Impaired loans | 181 | 190
Impaired loans with related allowance for loan losses | 181 | 177
Related allowance for loan losses | $ 93 | $ 88

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