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INVESTMENT SECURITIES AVAILABLE FOR SALE (Schedule of Amortized Cost and Approximate Fair Value) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2018
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | $ 330,560 | $ 381,910
Gross Unrealized Gains | 752 | 639
Gross Unrealized Losses | (3,679) | (4,613)
Fair Value | 327,633 | 377,936
Equity Securities, FV-NI |  | 4,719
U.S. Government-Sponsored Entities [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 44,476 | 102,915
Gross Unrealized Gains |  | 82
Gross Unrealized Losses | (775) | (984)
Fair Value | 43,701 | 102,013
Mortgage-Backed Securities-Residential [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 244,913 | 254,383
Gross Unrealized Gains | 583 | 418
Gross Unrealized Losses | (2,380) | (3,439)
Fair Value | 243,116 | 251,362
SBA Pool Securities [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 5,262 | 3,883
Gross Unrealized Gains |  |
Gross Unrealized Losses | (57) | (44)
Fair Value | 5,205 | 3,839
State and Political Subdivisions [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 24,910 | 17,729
Gross Unrealized Gains | 87 | 27
Gross Unrealized Losses | (129) | (146)
Fair Value | 24,868 | 17,610
Corporate Bond [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 3,000 | 3,000
Gross Unrealized Gains | 82 | 112
Gross Unrealized Losses |  |
Fair Value | 3,082 | $ 3,112
Single-Issuer Trust Preferred Security [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 2,999 |
Gross Unrealized Gains |  |
Gross Unrealized Losses | (162) |
Fair Value | 2,837 |
CRA Investment Fund [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Equity Securities, Cost | 5,000 |
Equity Securities, Gross Unrealized Gains |  |
Equity Securities, Gross Unrealized Losses | (176) |
Equity Securities, FV-NI | $ 4,824 |

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
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