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INVESTMENT SECURITIES (Schedule of amortized cost and fair value of securities available-for-sale) (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Investment securities available-for-sale, at fair value | $ 429,850 | $ 445,747
Available-for-sale Securities. |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 530,096 | 534,665
Gross Unrealized/Unrecognized Gains |  | 289
Gross Unrealized/Unrecognized Losses | (100,246) | (89,207)
Investment securities available-for-sale, at fair value | 429,850 | 445,747
Available-for-sale Securities. | U.S. Government agency securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 67,997 | 67,996
Gross Unrealized/Unrecognized Gains |  | 0
Gross Unrealized/Unrecognized Losses | (8,325) | (8,624)
Investment securities available-for-sale, at fair value | 59,672 | 59,372
Available-for-sale Securities. | U.S. State and Municipal securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 11,535 | 11,649
Gross Unrealized/Unrecognized Gains |  | 0
Gross Unrealized/Unrecognized Losses | (2,577) | (2,437)
Investment securities available-for-sale, at fair value | 8,958 | 9,212
Available-for-sale Securities. | Residential MBS |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 410,188 | 413,998
Gross Unrealized/Unrecognized Gains |  | 279
Gross Unrealized/Unrecognized Losses | (85,326) | (75,729)
Investment securities available-for-sale, at fair value | 324,862 | 338,548
Available-for-sale Securities. | Commercial MBS |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 36,978 | 37,069
Gross Unrealized/Unrecognized Gains |  | 10
Gross Unrealized/Unrecognized Losses | (3,898) | (2,229)
Investment securities available-for-sale, at fair value | 33,080 | 34,850
Available-for-sale Securities. | Asset-backed Securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 3,398 | 3,953
Gross Unrealized/Unrecognized Gains |  | 0
Gross Unrealized/Unrecognized Losses | (120) | (188)
Investment securities available-for-sale, at fair value | $ 3,278 | $ 3,765

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