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INVESTMENT SECURITIES (Schedule of amortized cost and fair value of marketable equity securities) (Details) - Equity securities - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Marketable Securities [Line Items] |  |
Amortized Cost - CRA Mutual Fund | $ 2,320 | $ 2,299
Gross Unrealized/Unrecognized Gains | 0 | 14
Gross Unrealized/Unrecognized Losses | (31) | 0
Fair Value CRA Mutual Fund | 2,289 | 2,313
CRA mutual fund |  |
Marketable Securities [Line Items] |  |
Amortized Cost - CRA Mutual Fund | 2,320 | 2,299
Gross Unrealized/Unrecognized Gains | 0 | 14
Gross Unrealized/Unrecognized Losses | (31) | 0
Fair Value CRA Mutual Fund | $ 2,289 | $ 2,313

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