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INVESTMENT SECURITIES (Schedule of amortized cost and fair value of securities held-to-maturity) (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Schedule of Held-to-maturity Securities |  |
Amortized Cost | $ 468,860 | $ 510,425
Total Securities | 404,300 | 437,300
Held-to-maturity Securities |  |
Schedule of Held-to-maturity Securities |  |
Amortized Cost | 468,860 | 510,425
Gross Unrealized/Unrecognized Losses | (64,608) | (73,135)
Total Securities | 404,252 | 437,290
Held-to-maturity Securities | US Treasury Securities |  |
Schedule of Held-to-maturity Securities |  |
Amortized Cost | 29,895 | 29,852
Gross Unrealized/Unrecognized Losses | (1,412) | (2,223)
Total Securities | 28,483 | 27,629
Held-to-maturity Securities | U.S. State and Municipal securities |  |
Schedule of Held-to-maturity Securities |  |
Amortized Cost | 15,569 | 15,814
Gross Unrealized/Unrecognized Losses | (1,574) | (2,609)
Total Securities | 13,995 | 13,205
Held-to-maturity Securities | Residential MBS |  |
Schedule of Held-to-maturity Securities |  |
Amortized Cost | 415,306 | 456,648
Gross Unrealized/Unrecognized Losses | (60,556) | (67,027)
Total Securities | 354,750 | 389,621
Held-to-maturity Securities | Commercial MBS |  |
Schedule of Held-to-maturity Securities |  |
Amortized Cost | 8,090 | 8,111
Gross Unrealized/Unrecognized Losses | (1,066) | (1,276)
Total Securities | $ 7,024 | $ 6,835

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