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LOANS AND ASSET QUALITY - Total Allowance by Loan Segment (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Balance, beginning of year | $ 2,484 | $ 3,150 | $ 3,150
Provision for credit losses | 243 |  | 868
Recoveries | 253 |  | 379
Loans charged off | (357) | (1,378) | (1,913)
Balance, end of year | 2,623 |  | 2,484
Individually evaluated for impairment: |  |  |
Individually evaluated for impairment, Balance in allowance | 810 |  | 531
Individually evaluated for impairment, Related loan balance | 1,740 |  | 5,017
Collectively evaluated for impairment: |  |  |
Collectively evaluated for impairment, Balance in allowance | 1,813 |  | 1,953
Collectively evaluated for impairment, Related loan balance | 270,705 |  | 261,090
Commercial and Industrial |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Balance, beginning of year | 284 | 305 | 305
Provision for credit losses | (37) |  | (30)
Recoveries |  |  | 9
Balance, end of year | 247 |  | 284
Individually evaluated for impairment: |  |  |
Individually evaluated for impairment, Balance in allowance | 220 |  | 229
Individually evaluated for impairment, Related loan balance | 220 |  | 229
Collectively evaluated for impairment: |  |  |
Collectively evaluated for impairment, Balance in allowance | 27 |  | 56
Collectively evaluated for impairment, Related loan balance | 3,824 |  | 4,451
Commercial Real Estate |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Balance, beginning of year | 259 | 262 | 262
Provision for credit losses | 4 |  | 361
Recoveries | 14 |  |
Loans charged off |  |  | (364)
Balance, end of year | 277 |  | 259
Individually evaluated for impairment: |  |  |
Individually evaluated for impairment, Related loan balance |  |  | 1,413
Collectively evaluated for impairment: |  |  |
Collectively evaluated for impairment, Balance in allowance | 277 |  | 259
Collectively evaluated for impairment, Related loan balance | 68,766 |  | 68,009
Consumer and Indirect |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Balance, beginning of year | 876 | 804 | 804
Provision for credit losses | 246 |  | 431
Recoveries | 212 |  | 336
Loans charged off | (354) | (524) | (695)
Balance, end of year | 980 |  | 876
Individually evaluated for impairment: |  |  |
Individually evaluated for impairment, Balance in allowance | 58 |  | 50
Individually evaluated for impairment, Related loan balance | 175 |  | 503
Collectively evaluated for impairment: |  |  |
Collectively evaluated for impairment, Balance in allowance | 922 |  | 826
Collectively evaluated for impairment, Related loan balance | 95,873 |  | 83,078
Residential Real estate |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Balance, beginning of year | 1,051 | 1,631 | 1,631
Provision for credit losses | 44 |  | 240
Recoveries | 27 |  | 34
Loans charged off | (3) | (854) | (854)
Balance, end of year | 1,119 |  | 1,051
Individually evaluated for impairment: |  |  |
Individually evaluated for impairment, Balance in allowance | 532 |  | 252
Individually evaluated for impairment, Related loan balance | 1,345 |  | 2,872
Collectively evaluated for impairment: |  |  |
Collectively evaluated for impairment, Balance in allowance | 587 |  | 799
Collectively evaluated for impairment, Related loan balance | 102,242 |  | 105,552
Unallocated |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Balance, beginning of year | 14 | $ 148 | 148
Provision for credit losses | $ (14) |  | (134)
Balance, end of year |  |  | 14
Collectively evaluated for impairment: |  |  |
Collectively evaluated for impairment, Balance in allowance |  |  | $ 13

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