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LOANS AND ALLOWANCE FOR LOAN LOSSES - Credit Quality Indicator (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | $ 1,292,261,000 |  | $ 1,292,261,000 |  | $ 1,203,482,000
Deteriorated Loans Transferred in [Abstract] |  |  |  |  |
Contractually required principal and interest, opening balance | 1,167,000 | $ 2,492,000 | 1,940,000 | $ 2,912,000 |
Contractually required principal and interest, income accretion | 0 | 0 | 0 | 0 |
Contractually required principal and interest, all other adjustments | (165,000) | (60,000) | (938,000) | (480,000) |
Contractually required principal and interest, closing balance | 1,002,000 | 2,432,000 | 1,002,000 | 2,432,000 |
Contractual cash flows not expected to be collected (nonaccretable discount), opening balance | (33,000) | (374,000) | (352,000) | (506,000) |
Contractual cash flows not expected to be collected (nonaccretable discount), income accretion | 0 | 0 | 0 | 0 |
Contractual cash flows not expected to be collected (nonaccretable discount), all other adjustments | (33,000) | (33,000) | 286,000 | 99,000 |
Contractual cash flows not expected to be collected (nonaccretable discount), closing balance | (66,000) | (407,000) | (66,000) | (407,000) |
Cash flows expected to be collected, opening balance | 1,134,000 | 2,118,000 | 1,588,000 | 2,406,000 |
Cash flows expected to be collected, income accretion | 0 | 0 | 0 | 0 |
Cash flows expected to be collected, all other adjustments | (198,000) | (93,000) | (652,000) | (381,000) |
Cash flows expected to be collected, closing balance | 936,000 | 2,025,000 | 936,000 | 2,025,000 |
Interest component of expected cash flows (accretable yield), opening balance | (128,000) | (243,000) | (170,000) | (311,000) |
Interest component of expected cash flows (accretable yield), income accretion | 11,000 | 26,000 | 51,000 | 96,000 |
Interest component of expected cash flows (accretable yield), all other adjustments | 13,000 | 30,000 | 15,000 | 28,000 |
Interest component of expected cash flows (accretable yield), closing balance | (104,000) | (187,000) | (104,000) | (187,000) |
Carrying amount of loans acquired with deteriorating credit quality, opening balance | 1,006,000 | 1,875,000 | 1,418,000 | 2,095,000 |
Carrying amount of loans acquired with deteriorating credit quality, income accretion | 11,000 | 26,000 | 51,000 | 96,000 |
Carrying amount of loans acquired with deteriorating credit quality, all other adjustments | (185,000) | (63,000) | (637,000) | (353,000) |
Carrying amount of loans acquired with deteriorating credit quality, closing balance | 832,000 | 1,838,000 | 832,000 | 1,838,000 |
Allowance for loan and lease losses, period increase (decrease) | 1,000 |  | 55,000 | 15,000 |
Allowance for loan and lease loss, recovery of bad debts | 1,000 | $ 0 | 30,000 | $ 0 |
Loans acquired with deteriorated credit quality |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 832,000 |  | 832,000 |  | 1,418,000
Not Rated |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 458,211,000 |  | 458,211,000 |  | 449,634,000
Pass |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 796,980,000 |  | 796,980,000 |  | 715,012,000
Special Mention |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 12,438,000 |  | 12,438,000 |  | 11,110,000
Substandard |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 22,401,000 |  | 22,401,000 |  | 24,848,000
Doubtful |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 1,399,000 |  | 1,399,000 |  | 1,460,000
Commercial and agricultural: |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 189,303,000 |  | 189,303,000 |  | 177,027,000
Commercial and agricultural: | Loans acquired with deteriorated credit quality |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Commercial Mortgages |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 639,501,000 |  | 639,501,000 |  | 570,156,000
Commercial Mortgages | Loans acquired with deteriorated credit quality |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 832,000 |  | 832,000 |  | 1,323,000
Commercial Mortgages | Construction |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 57,861,000 |  | 57,861,000 |  | 46,510,000
Commercial Mortgages | Construction | Loans acquired with deteriorated credit quality |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Commercial Mortgages | Construction | Not Rated |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Commercial Mortgages | Construction | Pass |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 57,702,000 |  | 57,702,000 |  | 45,055,000
Commercial Mortgages | Construction | Special Mention |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 259,000
Commercial Mortgages | Construction | Substandard |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 159,000 |  | 159,000 |  | 1,196,000
Commercial Mortgages | Construction | Doubtful |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Commercial Mortgages | Commercial mortgages |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 581,640,000 |  | 581,640,000 |  | 523,646,000
Commercial Mortgages | Commercial mortgages | Loans acquired with deteriorated credit quality |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 832,000 |  | 832,000 |  | 1,323,000
Commercial Mortgages | Commercial mortgages | Not Rated |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Commercial Mortgages | Commercial mortgages | Pass |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 557,371,000 |  | 557,371,000 |  | 496,723,000
Commercial Mortgages | Commercial mortgages | Special Mention |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 7,048,000 |  | 7,048,000 |  | 8,574,000
Commercial Mortgages | Commercial mortgages | Substandard |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 14,990,000 |  | 14,990,000 |  | 15,566,000
Commercial Mortgages | Commercial mortgages | Doubtful |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 1,399,000 |  | 1,399,000 |  | 1,460,000
Residential mortgages |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 197,701,000 |  | 197,701,000 |  | 198,965,000
Residential and consumer finance receivable [Abstract] |  |  |  |  |
Residential and consumer loans receivable | 197,701,000 |  | 197,701,000 |  | 198,965,000
Residential mortgages | Loans acquired with deteriorated credit quality |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 95,000
Residential mortgages | Performing |  |  |  |  |
Residential and consumer finance receivable [Abstract] |  |  |  |  |
Residential and consumer loans receivable | 194,491,000 |  | 194,491,000 |  | 194,764,000
Residential mortgages | Non-Performing |  |  |  |  |
Residential and consumer finance receivable [Abstract] |  |  |  |  |
Residential and consumer loans receivable | 3,210,000 |  | 3,210,000 |  | 4,201,000
Residential mortgages | Not Rated |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 194,491,000 |  | 194,491,000 |  | 194,669,000
Residential mortgages | Pass |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Residential mortgages | Special Mention |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Residential mortgages | Substandard |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 3,210,000 |  | 3,210,000 |  | 4,201,000
Residential mortgages | Doubtful |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 265,756,000 |  | 265,756,000 |  | 257,334,000
Consumer loans: | Loans acquired with deteriorated credit quality |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Credit cards |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 1,444,000 |  | 1,444,000 |  | 1,476,000
Residential and consumer finance receivable [Abstract] |  |  |  |  |
Residential and consumer loans receivable | 1,444,000 |  | 1,444,000 |  | 1,476,000
Consumer loans: | Credit cards | Loans acquired with deteriorated credit quality |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Credit cards | Performing |  |  |  |  |
Residential and consumer finance receivable [Abstract] |  |  |  |  |
Residential and consumer loans receivable | 1,444,000 |  | 1,444,000 |  | 1,476,000
Consumer loans: | Credit cards | Non-Performing |  |  |  |  |
Residential and consumer finance receivable [Abstract] |  |  |  |  |
Residential and consumer loans receivable | 0 |  | 0 |  | 0
Consumer loans: | Credit cards | Not Rated |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 1,444,000 |  | 1,444,000 |  | 1,476,000
Consumer loans: | Credit cards | Pass |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Credit cards | Special Mention |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Credit cards | Substandard |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Credit cards | Doubtful |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Home equity lines and loans |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 98,763,000 |  | 98,763,000 |  | 98,853,000
Residential and consumer finance receivable [Abstract] |  |  |  |  |
Residential and consumer loans receivable | 98,763,000 |  | 98,763,000 |  | 98,853,000
Consumer loans: | Home equity lines and loans | Loans acquired with deteriorated credit quality |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Home equity lines and loans | Performing |  |  |  |  |
Residential and consumer finance receivable [Abstract] |  |  |  |  |
Residential and consumer loans receivable | 97,585,000 |  | 97,585,000 |  | 97,183,000
Consumer loans: | Home equity lines and loans | Non-Performing |  |  |  |  |
Residential and consumer finance receivable [Abstract] |  |  |  |  |
Residential and consumer loans receivable | 1,178,000 |  | 1,178,000 |  | 1,670,000
Consumer loans: | Home equity lines and loans | Not Rated |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 97,585,000 |  | 97,585,000 |  | 97,183,000
Consumer loans: | Home equity lines and loans | Pass |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Home equity lines and loans | Special Mention |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Home equity lines and loans | Substandard |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 1,178,000 |  | 1,178,000 |  | 1,670,000
Consumer loans: | Home equity lines and loans | Doubtful |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Indirect consumer loans |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 147,790,000 |  | 147,790,000 |  | 139,993,000
Residential and consumer finance receivable [Abstract] |  |  |  |  |
Residential and consumer loans receivable | 147,790,000 |  | 147,790,000 |  | 139,993,000
Consumer loans: | Indirect consumer loans | Loans acquired with deteriorated credit quality |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Indirect consumer loans | Performing |  |  |  |  |
Residential and consumer finance receivable [Abstract] |  |  |  |  |
Residential and consumer loans receivable | 146,953,000 |  | 146,953,000 |  | 139,339,000
Consumer loans: | Indirect consumer loans | Non-Performing |  |  |  |  |
Residential and consumer finance receivable [Abstract] |  |  |  |  |
Residential and consumer loans receivable | 837,000 |  | 837,000 |  | 654,000
Consumer loans: | Indirect consumer loans | Not Rated |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 146,953,000 |  | 146,953,000 |  | 139,339,000
Consumer loans: | Indirect consumer loans | Pass |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Indirect consumer loans | Special Mention |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Indirect consumer loans | Substandard |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 837,000 |  | 837,000 |  | 654,000
Consumer loans: | Indirect consumer loans | Doubtful |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Direct consumer loans |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 17,759,000 |  | 17,759,000 |  | 17,012,000
Residential and consumer finance receivable [Abstract] |  |  |  |  |
Residential and consumer loans receivable | 17,759,000 |  | 17,759,000 |  | 17,012,000
Consumer loans: | Direct consumer loans | Loans acquired with deteriorated credit quality |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Direct consumer loans | Performing |  |  |  |  |
Residential and consumer finance receivable [Abstract] |  |  |  |  |
Residential and consumer loans receivable | 17,738,000 |  | 17,738,000 |  | 16,967,000
Consumer loans: | Direct consumer loans | Non-Performing |  |  |  |  |
Residential and consumer finance receivable [Abstract] |  |  |  |  |
Residential and consumer loans receivable | 21,000 |  | 21,000 |  | 45,000
Consumer loans: | Direct consumer loans | Not Rated |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 17,738,000 |  | 17,738,000 |  | 16,967,000
Consumer loans: | Direct consumer loans | Pass |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Direct consumer loans | Special Mention |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Consumer loans: | Direct consumer loans | Substandard |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 21,000 |  | 21,000 |  | 45,000
Consumer loans: | Direct consumer loans | Doubtful |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Commercial and industrial | Commercial and agricultural: |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 188,853,000 |  | 188,853,000 |  | 176,666,000
Commercial and industrial | Commercial and agricultural: | Loans acquired with deteriorated credit quality |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Commercial and industrial | Commercial and agricultural: | Not Rated |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Commercial and industrial | Commercial and agricultural: | Pass |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 181,457,000 |  | 181,457,000 |  | 172,873,000
Commercial and industrial | Commercial and agricultural: | Special Mention |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 5,390,000 |  | 5,390,000 |  | 2,277,000
Commercial and industrial | Commercial and agricultural: | Substandard |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 2,006,000 |  | 2,006,000 |  | 1,516,000
Commercial and industrial | Commercial and agricultural: | Doubtful |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Agricultural | Commercial and agricultural: |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 450,000 |  | 450,000 |  | 361,000
Agricultural | Commercial and agricultural: | Loans acquired with deteriorated credit quality |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Agricultural | Commercial and agricultural: | Not Rated |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Agricultural | Commercial and agricultural: | Pass |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 450,000 |  | 450,000 |  | 361,000
Agricultural | Commercial and agricultural: | Special Mention |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | 0 |  | 0 |  | 0
Agricultural | Commercial and agricultural: | Substandard |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans |  |  |  |  | 0
Agricultural | Commercial and agricultural: | Doubtful |  |  |  |  |
Finance receivable by credit quality indicator [Abstract] |  |  |  |  |
Loans | $ 0 |  | $ 0 |  | $ 0

X
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