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Loans and Allowance for Loan Losses (Details 5) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Real estate [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | $ 273,050 | $ 215,588
Consumer loans [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 480,117 | 402,187
Consumer loans [Member] | Other [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 22,575 | 17,572
Consumer loans [Member] | Pass [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 472,685 | 395,094
Consumer loans [Member] | Pass [Member] | Other [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 22,367 | 17,485
Consumer loans [Member] | Substandard [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 5,604 | 3,904
Consumer loans [Member] | Substandard [Member] | Other [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 120 | 71
Consumer loans [Member] | Doubtful [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Consumer loans [Member] | Doubtful [Member] | Other [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Consumer loans [Member] | Special Mention [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 1,828 | 3,189
Consumer loans [Member] | Special Mention [Member] | Other [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 88 | 16
Consumer loans [Member] | Loss [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Consumer loans [Member] | Loss [Member] | Other [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Consumer loans [Member] | Real estate [Member] | Pass [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 269,422 | 211,563
Consumer loans [Member] | Real estate [Member] | Substandard [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 2,913 | 2,961
Consumer loans [Member] | Real estate [Member] | Doubtful [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Consumer loans [Member] | Real estate [Member] | Special Mention [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 715 | 1,064
Consumer loans [Member] | Real estate [Member] | Loss [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Consumer loans [Member] | Home equity [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 156,141 | 137,105
Consumer loans [Member] | Home equity [Member] | Pass [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 152,545 | 134,124
Consumer loans [Member] | Home equity [Member] | Substandard [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 2,571 | 872
Consumer loans [Member] | Home equity [Member] | Doubtful [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Consumer loans [Member] | Home equity [Member] | Special Mention [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 1,025 | 2,109
Consumer loans [Member] | Home equity [Member] | Loss [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Consumer loans [Member] | Construction [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 28,351 | 31,922
Consumer loans [Member] | Construction [Member] | Pass [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans | 28,351 | 31,922
Consumer loans [Member] | Construction [Member] | Substandard [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Consumer loans [Member] | Construction [Member] | Doubtful [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Consumer loans [Member] | Construction [Member] | Special Mention [Member] |  |
Outstanding commercial and consumer loans by risk category |  |
Outstanding consumer loans |  |
Consumer loans [Member] | Construction [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=82891408&loc=d3e4428-111522 + Details
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