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Loans and Allowance for Loan Losses (Details 8) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2017
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | $ 15,231 | $ 11,450 | $ 15,354 | $ 11,581 | $ 13,019
Recognized interest income | 244 | 146 | 402 | 264 | 637
Commercial [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 10,039 | 9,438 | 10,104 | 9,560 | 9,222
Recognized interest income | 179 | 128 | 267 | 227 | 465
Commercial [Member] | Owner occupied RE [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 2,800 | 2,195 | 2,804 | 2,204 | 2,255
Recognized interest income | 45 | 26 | 62 | 53 | 104
Commercial [Member] | Non-owner occupied RE [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 3,878 | 3,620 | 3,920 | 3,721 | 4,144
Recognized interest income | 77 | 48 | 126 | 76 | 199
Commercial [Member] | Business [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 3,361 | 3,623 | 3,380 | 3,635 | 2,823
Recognized interest income | 57 | 54 | 79 | 98 | 162
Commercial [Member] | Construction [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment |  |  |  |  |
Recognized interest income |  |  |  |  |
Consumer [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 5,192 | 2,012 | 5,250 | 2,021 | 3,797
Recognized interest income | 65 | 18 | 135 | 37 | 172
Consumer [Member] | Other [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 165 | 180 | 167 | 181 | 174
Recognized interest income | 1 | 1 | 3 | 2 | 6
Consumer [Member] | Real estate [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 2,892 | 1,635 | 2,911 | 1,642 | 2,047
Recognized interest income | 40 | 16 | 81 | 33 | 69
Consumer [Member] | Home equity [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 2,135 | 197 | 2,172 | 198 | 1,576
Recognized interest income | 24 | 1 | 51 | 2 | 97
Consumer [Member] | Construction [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment |  |  |  |  |
Recognized interest income |  |  |  |  |

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