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Loans and Allowance for Loan Losses (Details 4) - Consumer Loans [Member] - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | $ 426,452 | $ 402,187
Pass [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 419,187 | 395,094
Special mention [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 3,068 | 3,189
Substandard [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 4,197 | 3,904
Doubtful [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Loss [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Real estate [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 230,695 | 215,588
Real estate [Member] | Pass [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 226,785 | 211,563
Real estate [Member] | Special mention [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 860 | 1,064
Real estate [Member] | Substandard [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 3,050 | 2,961
Real estate [Member] | Doubtful [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Real estate [Member] | Loss [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Home equity [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 143,673 | 137,105
Home equity [Member] | Pass [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 140,439 | 134,124
Home equity [Member] | Special mention [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 2,184 | 2,109
Home equity [Member] | Substandard [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 1,050 | 872
Home equity [Member] | Doubtful [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Home equity [Member] | Loss [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Construction [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 31,535 | 31,922
Construction [Member] | Pass [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 31,535 | 31,922
Construction [Member] | Special mention [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Construction [Member] | Substandard [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Construction [Member] | Doubtful [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Construction [Member] | Loss [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Other [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 20,549 | 17,572
Other [Member] | Pass [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 20,428 | 17,485
Other [Member] | Special mention [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 24 | 16
Other [Member] | Substandard [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 97 | 71
Other [Member] | Doubtful [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Other [Member] | Loss [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |

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- Definition Amount, before allowance and fees, of loans and leases receivable. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522 + Details
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