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PARENT COMPANY FINANCIAL INFORMATION (Condensed Cash Flow, Parent Only) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | $ 2,698 | $ 3,412 | $ 2,352 | $ 2,800 | $ 2,495 | $ 2,411 | $ 2,272 | $ 2,460 | $ 2,163 | $ 1,909 | $ 1,627 | $ 1,409 | $ 11,262 | $ 9,638 | $ 7,108
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation expense |  |  |  |  |  |  |  |  |  |  |  |  | 1,055 | 334 | 283
Net (increase) decrease in other assets |  |  |  |  |  |  |  |  |  |  |  |  | (3,330) | (98) | (870)
Net increase (decrease) in other liabilities |  |  |  |  |  |  |  |  |  |  |  |  | 331 | (729) | (15)
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  | 17,436 | 19,022 | 15,118
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from maturities and principal payments of investment securities available for sale |  |  |  |  |  |  |  |  |  |  |  |  | 46,484 | 59,989 | 68,395
Purchases of premises and equipment |  |  |  |  |  |  |  |  |  |  |  |  | (1,259) | (699) | (1,518)
Net cash used in investing activities |  |  |  |  |  |  |  |  |  |  |  |  | (70,217) | (33,734) | (65,348)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term borrowings |  |  |  |  |  |  |  |  |  |  |  |  | 18,531 | (3,469) | 1,864
Proceeds from the issuance of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  | 53 |
Common stock dividends paid |  |  |  |  |  |  |  |  |  |  |  |  | (2,790) | (1,771) | (506)
Net cash used in financing activities |  |  |  |  |  |  |  |  |  |  |  |  | 8,663 | 16,839 | 27,818
NET DECREASE IN CASH AND CASH EQUIVALENTS |  |  |  |  |  |  |  |  |  |  |  |  | (44,118) | 2,127 | (22,412)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR |  |  |  | 75,938 |  |  |  | 73,811 |  |  |  | 96,223 | 75,938 | 73,811 | 96,223
CASH AND CASH EQUIVALENTS AT END OF YEAR | 31,820 |  |  |  | 75,938 |  |  |  | 73,811 |  |  |  | 31,820 | 75,938 | 73,811
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  |  |  |  |  | 11,262 | 9,638 | 7,108
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in undistributed net (income) loss of subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  | (10,524) | (8,520) | (6,184)
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  |  | 452 | 288 | 336
Stock-based compensation expense |  |  |  |  |  |  |  |  |  |  |  |  | 1,055 | 334 | 283
Net (increase) decrease in other assets |  |  |  |  |  |  |  |  |  |  |  |  | 843 | (669) | (1,108)
Net increase (decrease) in other liabilities |  |  |  |  |  |  |  |  |  |  |  |  | (806) | 533 | 328
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  | 2,282 | 1,604 | 763
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from maturities and principal payments of investment securities available for sale |  |  |  |  |  |  |  |  |  |  |  |  | 534 | 2,171 | 1,418
Purchases of securities |  |  |  |  |  |  |  |  |  |  |  |  |  | (2,032) | (4,054)
Purchases of premises and equipment |  |  |  |  |  |  |  |  |  |  |  |  | (148) | (175) | (672)
Cash received from merged subsidiary |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,349
Payments for investment in and advances to subsidiary |  |  |  |  |  |  |  |  |  |  |  |  | (267) |  |
Net cash used in investing activities |  |  |  |  |  |  |  |  |  |  |  |  | 119 | (36) | 41
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term borrowings |  |  |  |  |  |  |  |  |  |  |  |  | 666 |  |
Repayment of long-term debt |  |  |  |  |  |  |  |  |  |  |  |  | (843) | (500) | (500)
Proceeds from the issuance of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  | 53 |
Common stock dividends paid |  |  |  |  |  |  |  |  |  |  |  |  | (2,790) | (1,771) | (506)
Net cash used in financing activities |  |  |  |  |  |  |  |  |  |  |  |  | (2,967) | (2,218) | (1,006)
NET DECREASE IN CASH AND CASH EQUIVALENTS |  |  |  |  |  |  |  |  |  |  |  |  | (566) | (650) | (202)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR |  |  |  | $ 1,249 |  |  |  | $ 1,899 |  |  |  | $ 2,101 | 1,249 | 1,899 | 2,101
CASH AND CASH EQUIVALENTS AT END OF YEAR | $ 683 |  |  |  | $ 1,249 |  |  |  | $ 1,899 |  |  |  | 683 | $ 1,249 | $ 1,899
Supplemental Cash Flow Information [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Transfer of available for sale securities to banking subsidiary |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,233 |  |

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