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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative - Other) (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 USD ($) shares | Sep. 30, 2017 USD ($) shares | Sep. 30, 2018 USD ($) segment shares | Sep. 30, 2017 USD ($) shares | Dec. 31, 2017 USD ($)
Number of operating segments | segment |  |  | 2 |  |
Federal funds sales periods |  |  | 1 day |  |
Interest-earning deposits maturities period |  |  | 1 year |  |
Servicing rights |  |  | $ 0 |  |
Amount of loans serviced | $ 33,100 |  | $ 33,100 |  | $ 20,100
Threshold period for loan |  |  | 30 days |  |
Threshold for determining nonaccrual status |  |  | 90 days |  |
Issuance of shares for Employee Stock Purchase Plan, shares | shares | 6,704 | 6,987 | 22,194 | 19,820 |
Antidilutive securities | shares |  |  | 219,733 |  |
Employee Stock [Member] |  |  |  |  |
Number of share purchase rights authorized | shares | 150,000 |  | 150,000 |  |
Percentage of closing market price on purchase date |  |  | 85.00% |  |
Compensation cost | $ 31 | $ 33 | $ 143 | $ 105 |
Substandard [Member] |  |  |  |  |
Loan reserve multiple | 3.50 |  | 3.50 |  | 3.50
Special Mention [Member] |  |  |  |  |
Loan reserve multiple | 2.25 |  | 2.25 |  | 2.25
Consumer and Other [Member] |  |  |  |  |
Threshold for determining nonaccrual status |  |  | 120 days |  |
Small Business Administration Loans [Member] |  |  |  |  |
Loans held for sale | $ 360 |  | $ 360 |  | $ 187
Maximum [Member] |  |  |  |  |
Cash equivalents original maturities period |  |  | 90 days |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 15 years |  |
Maximum [Member] | Employee Stock [Member] |  |  |  |  |
Percentage of compensation contributable |  |  | 15.00% |  |
Minimum [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 5 years |  |
Minimum [Member] | Employee Stock [Member] |  |  |  |  |
Percentage of compensation contributable |  |  | 1.00% |  |

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