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Loans and Allowance for Credit Losses (Details 6) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Unpaid Contractual Principal Balance | $ 28,946 | $ 37,917 | $ 28,468
Recorded Investment With No Allowance | 7,132 | 6,954 | 11,361
Recorded Investment With Allowance | 21,770 | 27,894 | 14,438
Total Recorded Investment | 28,902 | 34,848 | 25,799
Related Allowance | 8,700 | 4,471 | 5,599
Quarter to Date [Member] |  |  |
Average Recorded Investment | 27,473 | 38,042 | 37,052
Interest Income Recognized | 178 | 97 | 135
Year to Date [Member] |  |  |
Average Recorded Investment | 25,750 | 37,048 | 37,938
Interest Income Recognized | 532 | 271 | 406
Home Equity Portfolio Segment [Member] |  |  |
Unpaid Contractual Principal Balance | 594 | 113 |
Recorded Investment With No Allowance | 494 |  |
Recorded Investment With Allowance | 100 | 113 |
Total Recorded Investment | 594 | 113 |
Related Allowance | 90 | 100 |
Home Equity Portfolio Segment [Member] | Quarter to Date [Member] |  |  |
Average Recorded Investment | 446 | 117 | 78
Interest Income Recognized |  | 2 |
Home Equity Portfolio Segment [Member] | Year to Date [Member] |  |  |
Average Recorded Investment | 223 | 129 | 89
Interest Income Recognized | 2 | 2 |
Commercial Portfolio Segment [Member] |  |  |
Unpaid Contractual Principal Balance | 6,047 | 15,517 | 8,296
Recorded Investment With No Allowance | 2,363 | 2,370 | 2,532
Recorded Investment With Allowance | 3,640 | 10,078 | 3,095
Total Recorded Investment | 6,003 | 12,448 | 5,627
Related Allowance | 3,246 | 1,997 | 2,671
Commercial Portfolio Segment [Member] | Quarter to Date [Member] |  |  |
Average Recorded Investment | 5,977 | 12,838 | 12,620
Interest Income Recognized | 31 | 54 | 79
Commercial Portfolio Segment [Member] | Year to Date [Member] |  |  |
Average Recorded Investment | 5,790 | 12,879 | 12,755
Interest Income Recognized | 97 | 112 | 191
Construction Portfolio Segment [Member] |  |  |
Unpaid Contractual Principal Balance | 4,930 | 4,878 | 2,072
Recorded Investment With No Allowance | 1,534 | 4,340 | 1,535
Recorded Investment With Allowance | 3,396 | 538 | 537
Total Recorded Investment | 4,930 | 4,878 | 2,072
Related Allowance | 2,900 | 300 | 522
Construction Portfolio Segment [Member] | Quarter to Date [Member] |  |  |
Average Recorded Investment | 4,808 | 5,146 | 5,091
Construction Portfolio Segment [Member] | Year to Date [Member] |  |  |
Average Recorded Investment | 3,736 | 6,542 | 5,174
Interest Income Recognized | 14 |  |
Commercial Real Estate - Income Producing Portfolio Segment [Member] |  |  |
Unpaid Contractual Principal Balance | 10,092 | 14,648 | 14,936
Recorded Investment With No Allowance | 828 |  | 5,048
Recorded Investment With Allowance | 9,264 | 14,648 | 9,888
Total Recorded Investment | 10,092 | 14,648 | 14,936
Related Allowance | 1,378 | 1,714 | 1,943
Commercial Real Estate - Income Producing Portfolio Segment [Member] | Quarter to Date [Member] |  |  |
Average Recorded Investment | 10,222 | 17,584 | 16,742
Interest Income Recognized | 121 | 28 | 54
Commercial Real Estate - Income Producing Portfolio Segment [Member] | Year to Date [Member] |  |  |
Average Recorded Investment | 11,350 | 15,298 | 17,533
Interest Income Recognized | 373 | 144 | 198
Other Consumer Portfolio Segment [Member] |  |  |
Unpaid Contractual Principal Balance | 92 |  | 126
Recorded Investment With Allowance | 92 |  | 126
Total Recorded Investment | 92 |  | 126
Related Allowance | 81 |  | 113
Other Consumer Portfolio Segment [Member] | Quarter to Date [Member] |  |  |
Average Recorded Investment | 93 |  | 42
Interest Income Recognized |  |  | 2
Other Consumer Portfolio Segment [Member] | Year to Date [Member] |  |  |
Average Recorded Investment | 101 | 6 | 32
Interest Income Recognized |  |  | 4
Commercial Real Estate - Owner Occupied Portfolio Segment [Member] |  |  |
Unpaid Contractual Principal Balance | 6,890 | 2,517 | 2,483
Recorded Investment With No Allowance | 1,612 |  | 1,691
Recorded Investment With Allowance | 5,278 | 2,517 | 792
Total Recorded Investment | 6,890 | 2,517 | 2,483
Related Allowance | 1,005 | 360 | 350
Commercial Real Estate - Owner Occupied Portfolio Segment [Member] | Quarter to Date [Member] |  |  |
Average Recorded Investment | 5,623 | 2,108 | 2,233
Interest Income Recognized | 26 | 13 |
Commercial Real Estate - Owner Occupied Portfolio Segment [Member] | Year to Date [Member] |  |  |
Average Recorded Investment | 4,182 | 1,923 | 2,106
Interest Income Recognized | 46 | 13 | 13
Real Estate Mortgage - Residential Portfolio Segment [Member] |  |  |
Unpaid Contractual Principal Balance | 301 | 244 | 555
Recorded Investment With No Allowance | 301 | 244 | 555
Total Recorded Investment | 301 | 244 | 555
Real Estate Mortgage - Residential Portfolio Segment [Member] | Quarter to Date [Member] |  |  |
Average Recorded Investment | 304 | 249 | 246
Real Estate Mortgage - Residential Portfolio Segment [Member] | Year to Date [Member] |  |  |
Average Recorded Investment | $ 368 | $ 271 | $ 249

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