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INVESTMENT SECURITIES (Schedule of Available-for-Sale and Held-to-Maturity Securities Reconciliation) (Details) - USD ($) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Dec. 15, 2016 | Dec. 31, 2016 | Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items] |  |  |  |
Available-for-sale securities, Amortized Cost |  |  | $ 165,462 | $ 198,670
Available-for-sale securities, Gross Unrealized Gains |  |  | 319 | 180
Available-for-sale securities, Gross Unrealized Losses |  |  | 1,879 | 1,895
Available-for-sale securities, Estimated Fair Value |  |  | 163,902 | 196,955
Held-to-maturity securities, Amortized Cost |  |  | 6,704 | 6,247
Held-to-maturity securities, Gross Unrealized Gains |  |  | 102 | 144
Held-to-maturity securities, Estimated Fair Value |  |  | 6,806 | 6,391
Purchases of securities held to maturity |  | $ 3,000 | 3,000 |
Equity [Member] |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |
Available-for-sale securities, Amortized Cost |  |  | 652 | 666
Available-for-sale securities, Gross Unrealized Losses |  |  | 12 | 8
Available-for-sale securities, Estimated Fair Value |  |  | 640 | 658
Other Equity Securities [Member] |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |
Available-for-sale securities, Amortized Cost | [1] |  | 3,000 |
Available-for-sale securities, Estimated Fair Value | [1] |  | 3,000 |
Held-to-maturity securities, Amortized Cost | [1] |  |  | 3,000
Held-to-maturity securities, Gross Unrealized Gains | [1] |  |  | 76
Held-to-maturity securities, Estimated Fair Value | [1] |  |  | 3,076
U.S. Government Agencies [Member] |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |
Available-for-sale securities, Amortized Cost |  |  | 34,320 | 45,806
Available-for-sale securities, Gross Unrealized Gains |  |  | 56 | 23
Available-for-sale securities, Gross Unrealized Losses |  |  | 58 | 497
Available-for-sale securities, Estimated Fair Value |  |  | 34,318 | 45,332
Held-to-maturity securities, Amortized Cost |  |  | 2,089 | 1,844
Held-to-maturity securities, Gross Unrealized Gains |  |  | 26 | 21
Held-to-maturity securities, Estimated Fair Value |  |  | 2,115 | 1,865
States and Political Subdivisions [Member] |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |
Held-to-maturity securities, Amortized Cost |  |  | 1,615 | 1,403
Held-to-maturity securities, Gross Unrealized Gains |  |  | 76 | 47
Held-to-maturity securities, Estimated Fair Value |  |  | 1,691 | 1,450
Mortgage-backed [Member] |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |
Available-for-sale securities, Amortized Cost |  |  | 130,490 | 152,198
Available-for-sale securities, Gross Unrealized Gains |  |  | 263 | 157
Available-for-sale securities, Gross Unrealized Losses |  |  | 1,809 | 1,390
Available-for-sale securities, Estimated Fair Value |  |  | $ 128,944 | $ 150,965
[1] | On December 15, 2016 the Company bought $3.0 million in subordinated notes from a local regional bank which it intends to hold to maturity of December 30, 2026.

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