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LOANS AND ASSET QUALITY - Non-accrual loans (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Financing Receivable Nonaccrual Status [Roll Forward] |  |  |
Balance | $ 3,751 | $ 3,706 | $ 3,706
Transfer into non-accrual | 1,239 | 1,187 |
Loans paid down/payoffs | (476) | (846) |
Loans brought to accrual status | (291) | (312) |
Loans charged off | (357) | (1,378) | (1,913)
Balance | 3,866 | 2,357 | 3,751
Commercial and Industrial |  |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |  |
Transfer into non-accrual | 48 |  |
Balance | 48 |  |
Commercial Real Estate |  |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |  |
Balance | 647 | 300 | 300
Transfer into non-accrual |  | 325 |
Loans paid down/payoffs | (16) | (10) |
Loans brought to accrual status | (132) |  |
Loans charged off |  |  | (364)
Balance | 499 | 615 | 647
Consumer and Indirect |  |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |  |
Balance | 456 | 831 | 831
Transfer into non-accrual | 586 | 759 |
Loans paid down/payoffs | (144) | (482) |
Loans brought to accrual status | (159) | (177) |
Loans charged off | (354) | (524) | (695)
Balance | 385 | 407 | 456
Residential Real estate |  |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |  |
Balance | 2,648 | 2,575 | 2,575
Transfer into non-accrual | 605 | 103 |
Loans paid down/payoffs | (316) | (354) |
Loans brought to accrual status |  | (135) |
Loans charged off | (3) | (854) | (854)
Balance | $ 2,934 | $ 1,335 | $ 2,648

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
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