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LOANS AND ALLOWANCE FOR LOAN LOSSES - Impaired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
Unpaid Principal Balance [Abstract] |  |  |  |  |
Unpaid Principal Balance, Total | $ 13,271 |  | $ 13,271 |  | $ 15,014
Recorded Investment [Abstract] |  |  |  |  |
Recorded Investment, Total | 13,245 |  | 13,245 |  | 14,980
Allowance for Loan Losses Allocated | 1,989 |  | 1,989 |  | 1,566
Average Recorded Investment [Abstract] |  |  |  |  |
Average Recorded Investment, Total | 13,434 | $ 14,951 | 14,023 | $ 15,568 |
Interest Income, Accrual Method [Abstract] |  |  |  |  |
Interest Income, Accrual Method, Total | 79 | 97 | 240 | 348 |
Commercial Mortgages [Member] | Construction [Member] |  |  |  |  |
Unpaid Principal Balance [Abstract] |  |  |  |  |
With no related allowance, Unpaid Principal Balance | 285 |  | 285 |  | 349
Recorded Investment [Abstract] |  |  |  |  |
With no related allowance, Recorded Investment | 286 |  | 286 |  | 350
Average Recorded Investment [Abstract] |  |  |  |  |
With no related allowance, Average Recorded Investment | 310 | 402 | 329 | 1,153 |
Interest Income, Accrual Method [Abstract] |  |  |  |  |
With no related allowance, Interest Income, Accrual Method | 4 | 4 | 11 | 33 |
Commercial Mortgages [Member] | Commercial Mortgages other [Member] |  |  |  |  |
Unpaid Principal Balance [Abstract] |  |  |  |  |
With no related allowance, Unpaid Principal Balance | 5,963 |  | 5,963 |  | 7,551
With related allowance, Unpaid Principal Balance | 5,327 |  | 5,327 |  | 4,913
Recorded Investment [Abstract] |  |  |  |  |
With no related allowance, Recorded Investment | 5,996 |  | 5,996 |  | 7,577
With related allowance, Recorded Investment | 5,260 |  | 5,260 |  | 4,846
Allowance for Loan Losses Allocated | 1,748 |  | 1,748 |  | 1,481
Average Recorded Investment [Abstract] |  |  |  |  |
With no related allowance, Average Recorded Investment | 6,124 | 7,556 | 6,760 | 7,765 |
With related allowance, Average Recorded Investment | 5,151 | 4,975 | 4,998 | 4,418 |
Interest Income, Accrual Method [Abstract] |  |  |  |  |
With no related allowance, Interest Income, Accrual Method | 60 | 70 | 181 | 196 |
With related allowance, Interest Income, Accrual Method | 1 | 1 | 4 | 48 |
Residential Mortgages [Member] |  |  |  |  |
Unpaid Principal Balance [Abstract] |  |  |  |  |
With no related allowance, Unpaid Principal Balance | 399 |  | 399 |  | 234
Recorded Investment [Abstract] |  |  |  |  |
With no related allowance, Recorded Investment | 399 |  | 399 |  | 235
Average Recorded Investment [Abstract] |  |  |  |  |
With no related allowance, Average Recorded Investment | 443 | 241 | 358 | 246 |
Interest Income, Accrual Method [Abstract] |  |  |  |  |
With no related allowance, Interest Income, Accrual Method | 2 | 1 | 3 | 3 |
Consumer Loans [Member] | Home Equity Lines and Loans [Member] |  |  |  |  |
Unpaid Principal Balance [Abstract] |  |  |  |  |
With no related allowance, Unpaid Principal Balance | 97 |  | 97 |  | 107
With related allowance, Unpaid Principal Balance | 360 |  | 360 |  | 364
Recorded Investment [Abstract] |  |  |  |  |
With no related allowance, Recorded Investment | 98 |  | 98 |  | 108
With related allowance, Recorded Investment | 360 |  | 360 |  | 366
Allowance for Loan Losses Allocated | 141 |  | 141 |  | 77
Average Recorded Investment [Abstract] |  |  |  |  |
With no related allowance, Average Recorded Investment | 101 | 479 | 104 | 468 |
With related allowance, Average Recorded Investment | 360 | 0 | 362 | 13 |
Interest Income, Accrual Method [Abstract] |  |  |  |  |
With no related allowance, Interest Income, Accrual Method | 1 | 6 | 4 | 18 |
With related allowance, Interest Income, Accrual Method | 0 | 0 | 0 | 0 |
Commercial and Industrial Sector [Member] | Commercial and Agricultural [Member] |  |  |  |  |
Unpaid Principal Balance [Abstract] |  |  |  |  |
With no related allowance, Unpaid Principal Balance | 740 |  | 740 |  | 1,487
With related allowance, Unpaid Principal Balance | 100 |  | 100 |  | 9
Recorded Investment [Abstract] |  |  |  |  |
With no related allowance, Recorded Investment | 746 |  | 746 |  | 1,489
With related allowance, Recorded Investment | 100 |  | 100 |  | 9
Allowance for Loan Losses Allocated | 100 |  | 100 |  | $ 8
Average Recorded Investment [Abstract] |  |  |  |  |
With no related allowance, Average Recorded Investment | 900 | 1,133 | 1,083 | 1,325 |
With related allowance, Average Recorded Investment | 45 | 165 | 29 | 180 |
Interest Income, Accrual Method [Abstract] |  |  |  |  |
With no related allowance, Interest Income, Accrual Method | 10 | 15 | 33 | 47 |
With related allowance, Interest Income, Accrual Method | $ 1 | $ 0 | $ 4 | $ 3 |

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