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Loans and Allowance for Loan Losses (Details 4) - Consumer loans [Member] - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Outstanding commercial and consumer loans which include loans on nonaccrual status |  |
Current | $ 476,962 | $ 400,215
30-59 days past due | 1,075 | 1,377
60-89 days past due | 1,126 | 288
Greater than 90 days | 954 | 307
Total consumer loans | 480,117 | 402,187
Other [Member] |  |
Outstanding commercial and consumer loans which include loans on nonaccrual status |  |
Current | 22,506 | 17,427
30-59 days past due | 69 | 126
60-89 days past due |  | 6
Greater than 90 days |  | 13
Total consumer loans | 22,575 | 17,572
Real estate [Member] |  |
Outstanding commercial and consumer loans which include loans on nonaccrual status |  |
Current | 271,284 | 214,228
30-59 days past due | 681 | 1,041
60-89 days past due | 131 | 282
Greater than 90 days | 954 | 37
Total consumer loans | 273,050 | 215,588
Home equity [Member] |  |
Outstanding commercial and consumer loans which include loans on nonaccrual status |  |
Current | 154,821 | 136,638
30-59 days past due | 325 | 210
60-89 days past due | 995 |
Greater than 90 days |  | 257
Total consumer loans | 156,141 | 137,105
Construction [Member] |  |
Outstanding commercial and consumer loans which include loans on nonaccrual status |  |
Current | 28,351 | 31,922
30-59 days past due |  |
60-89 days past due |  |
Greater than 90 days |  |
Total consumer loans | $ 28,351 | $ 31,922

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