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Loans and Allowance for Loan Losses (Details 8) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | $ 12,735 | $ 14,624 | $ 13,030 | $ 14,780 | $ 11,556
Recognized interest income | 183 | 158 | 478 | 450 | 536
Commercial [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 10,002 | 12,587 | 10,286 | 12,737 | 9,242
Recognized interest income | 140 | 140 | 397 | 395 | 447
Commercial [Member] | Owner occupied RE [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 2,182 | 2,000 | 2,198 | 2,009 | 2,263
Recognized interest income | 25 | 30 | 78 | 72 | 112
Commercial [Member] | Non-owner occupied RE [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 4,322 | 5,515 | 4,503 | 5,594 | 4,106
Recognized interest income | 57 | 39 | 154 | 124 | 200
Commercial [Member] | Construction [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment |  |  |  |  |
Recognized interest income |  |  |  |  |
Commercial [Member] | Business [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 3,498 | 5,072 | 3,585 | 5,134 | 2,873
Recognized interest income | 58 | 71 | 165 | 199 | 135
Consumer [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 2,733 | 2,037 | 2,744 | 2,043 | 2,314
Recognized interest income | 43 | 18 | 81 | 55 | 89
Consumer [Member] | Real estate [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 2,361 | 1,573 | 2,370 | 1,578 | 1,854
Recognized interest income | 40 | 16 | 73 | 49 | 81
Consumer [Member] | Home equity [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 196 | 207 | 196 | 257 | 257
Recognized interest income | 2 |  | 4 | 1 | 2
Consumer [Member] | Construction [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment |  |  |  |  |
Recognized interest income |  |  |  |  |
Consumer [Member] | Other [Member] |  |  |  |  |
Average recorded investment and interest income recognized on impaired loans |  |  |  |  |
Average recorded investment | 176 | 257 | 178 | 208 | 203
Recognized interest income | $ 1 | $ 2 | $ 4 | $ 5 | $ 6

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- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524 + Details
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