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CONDENSED FINANCIAL INFORMATION - PARENT COMPANY ONLY (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Cash | $ 17,727 |  |  |  | $ 15,327 |  |  |  | $ 17,727 | $ 15,327 |  |
Available-for-sale debt securities | 240,706 |  |  |  | 241,010 |  |  |  | 240,706 | 241,010 |  |
OtherAssets | 16,359 |  |  |  | 13,616 |  |  |  | 16,359 | 13,616 |  |
TOTAL ASSETS | 1,466,339 |  |  |  | 1,430,712 |  |  |  | 1,466,339 | 1,430,712 |  |
Liabilities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
OtherLiabilities | 14,242 |  |  |  | 14,057 |  |  |  | 14,242 | 14,057 |  |
Borrowed funds | 85,117 |  |  |  | 91,194 |  |  |  | 85,117 | 91,194 |  |
TOTAL LIABILITIES | 1,311,565 |  |  |  | 1,291,483 |  |  |  | 1,311,565 | 1,291,483 |  |
Stockholders' equity | 154,774 |  |  |  | 139,229 |  |  |  | 154,774 | 139,229 | $ 129,011 | $ 123,268
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | 1,466,339 |  |  |  | 1,430,712 |  |  |  | 1,466,339 | 1,430,712 |  |
Dividends from [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
TOTAL INTEREST AND DIVIDEND INCOME | 15,587 | $ 15,874 | $ 15,502 | $ 15,017 | 15,088 | $ 14,259 | $ 14,028 | $ 13,383 | 61,980 | 56,758 | 48,093 |
Realized securities gains, net | 66 | 37 | 30 | 11 | (20) | (12) | 7 | 6 | 144 | (19) | 1,035 |
Expenses |  |  |  |  |  |  |  |  | 5,682 | 5,294 | 5,027 |
NET INCOME | 5,043 | 5,196 | 4,846 | 4,405 | 4,515 | 4,581 | 4,691 | 4,247 | 19,490 | 18,034 | 13,025 |
Comprehensive income |  |  |  |  |  |  |  |  | 22,782 | 17,510 | 11,578 |
Cash flows from operating activities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Net income | 5,043 | 5,196 | 4,846 | 4,405 | 4,515 | 4,581 | 4,691 | 4,247 | 19,490 | 18,034 | 13,025 |
Adjustments to reconcile net income to net cash provided by operating activities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Investment securities (gains), net | (66) | $ (37) | $ (30) | (11) | 20 | $ 12 | $ (7) | (6) | (144) | 19 | (1,035) |
Other, net |  |  |  |  |  |  |  |  | (182) | 787 | (1,814) |
Net cash provided by operating activities |  |  |  |  |  |  |  |  | 21,767 | 21,486 | 15,739 |
Cash flows from investing activities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Purchases of equity securities |  |  |  |  |  |  |  |  | (68,963) | (67,899) | (54,003) |
Proceeds from the sale of available-for-sale securities |  |  |  |  |  |  |  |  | 10,489 | 27,149 | 58,177 |
Net cash used in investing activities |  |  |  |  |  |  |  |  | (32,323) | (72,351) | (105,425) |
Cash flows from financing activities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends paid |  |  |  |  |  |  |  |  | (6,315) | (6,116) | (5,177) |
Purchase of treasury stock |  |  |  |  |  |  |  |  | (1,291) | (1,175) | (979) |
Reissuance of treasury stock to employee stock purchase plan |  |  |  |  |  |  |  |  | 0 | 0 | 43 |
Purchase of restricted stock |  |  |  |  |  |  |  |  | 0 | (307) | 0 |
Net cash provided by financing activities |  |  |  |  |  |  |  |  | 12,279 | 49,145 | 90,449 |
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  |  |  |  | 1,723 | (1,720) | 763 |
Cash and Cash Equivalents at Beginning of Year |  |  |  | 16,797 |  |  |  | 18,517 | 16,797 | 18,517 | 17,754 |
Cash and Cash Equivalents at End of Year | 18,520 |  |  |  | 16,797 |  |  |  | 18,520 | 16,797 | 18,517 |
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |  |
Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Cash | 7,166 |  |  |  | 5,576 |  |  |  | 7,166 | 5,576 |  |
Available-for-sale debt securities | 617 |  |  |  | 516 |  |  |  | 617 | 516 |  |
Investment in subsidiary - First Citizens Community Bank | 154,501 |  |  |  | 140,298 |  |  |  | 154,501 | 140,298 |  |
OtherAssets | 744 |  |  |  | 813 |  |  |  | 744 | 813 |  |
TOTAL ASSETS | 163,028 |  |  |  | 147,203 |  |  |  | 163,028 | 147,203 |  |
Liabilities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
OtherLiabilities | 754 |  |  |  | 474 |  |  |  | 754 | 474 |  |
Borrowed funds | 7,500 |  |  |  | 7,500 |  |  |  | 7,500 | 7,500 |  |
TOTAL LIABILITIES | 8,254 |  |  |  | 7,974 |  |  |  | 8,254 | 7,974 |  |
Stockholders' equity | 154,774 |  |  |  | 139,229 |  |  |  | 154,774 | 139,229 |  |
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | 163,028 |  |  |  | 147,203 |  |  |  | 163,028 | 147,203 |  |
Dividends from [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Bank subsidiary |  |  |  |  |  |  |  |  | 9,565 | 8,248 | 7,507 |
Equity securities |  |  |  |  |  |  |  |  | 17 | 7 | 60 |
TOTAL INTEREST AND DIVIDEND INCOME |  |  |  |  |  |  |  |  | 9,582 | 8,255 | 7,567 |
Realized securities gains, net |  |  |  |  |  |  |  |  | 101 | 0 | 1,021 |
Expenses |  |  |  |  |  |  |  |  | 1,103 | 642 | 824 |
Income before equity in undistributed earnings of subsidiary |  |  |  |  |  |  |  |  | 8,580 | 7,613 | 7,764 |
Equity in undistributed earnings - First Citizens Community Bank |  |  |  |  |  |  |  |  | 10,910 | 10,421 | 5,261 |
NET INCOME |  |  |  |  |  |  |  |  | 19,490 | 18,034 | 13,025 |
Comprehensive income |  |  |  |  |  |  |  |  | 22,782 | 17,510 | 11,578 |
Cash flows from operating activities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  | 19,490 | 18,034 | 13,025 |
Adjustments to reconcile net income to net cash provided by operating activities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  | (10,910) | (10,421) | (5,261) |
Investment securities (gains), net |  |  |  |  |  |  |  |  | (101) | 0 | (1,021) |
Other, net |  |  |  |  |  |  |  |  | 717 | (251) | 629 |
Net cash provided by operating activities |  |  |  |  |  |  |  |  | 9,196 | 7,362 | 7,372 |
Cash flows from investing activities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Purchases of equity securities |  |  |  |  |  |  |  |  | 0 | (425) | (94) |
Proceeds from the sale of available-for-sale securities |  |  |  |  |  |  |  |  | 0 | 0 | 2,828 |
Net cash used in investing activities |  |  |  |  |  |  |  |  | 0 | (425) | 2,734 |
Cash flows from financing activities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends paid |  |  |  |  |  |  |  |  | (6,315) | (6,116) | (5,177) |
Purchase of treasury stock |  |  |  |  |  |  |  |  | (1,291) | (1,483) | (979) |
Reissuance of treasury stock to employee stock purchase plan |  |  |  |  |  |  |  |  | 0 | 0 | 43 |
Purchase of restricted stock |  |  |  |  |  |  |  |  | 0 | 0 | 0 |
Net cash provided by financing activities |  |  |  |  |  |  |  |  | (7,606) | (7,599) | (6,113) |
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  |  |  |  | 1,590 | (662) | 3,993 |
Cash and Cash Equivalents at Beginning of Year |  |  |  | $ 5,576 |  |  |  | $ 6,238 | 5,576 | 6,238 | 2,245 |
Cash and Cash Equivalents at End of Year | $ 7,166 |  |  |  | $ 5,576 |  |  |  | $ 7,166 | $ 5,576 | $ 6,238 |

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