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INVESTMENT SECURITIES (Schedule of amortized cost and fair value of securities held-to-maturity) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | $ 510,425 | $ 382,099
Total Securities | 437,300 | 380,100
Held-to-maturity Securities |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 510,425 | 382,099
Gross Unrealized/Unrecognized Gains |  | 410
Gross Unrealized/Unrecognized Losses | (73,135) | (2,401)
Total Securities | 437,290 | 380,108
Held-to-maturity Securities | US Treasury Securities |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 29,852 | 29,811
Gross Unrealized/Unrecognized Gains |  | 6
Gross Unrealized/Unrecognized Losses | (2,223) | (43)
Total Securities | 27,629 | 29,774
Held-to-maturity Securities | U.S. State and Municipal securities |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 15,814 | 16,055
Gross Unrealized/Unrecognized Gains |  | 299
Gross Unrealized/Unrecognized Losses | (2,609) |
Total Securities | 13,205 | 16,354
Held-to-maturity Securities | Residential MBS |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 456,648 | 328,095
Gross Unrealized/Unrecognized Gains |  | 105
Gross Unrealized/Unrecognized Losses | (67,027) | (2,259)
Total Securities | 389,621 | 325,941
Held-to-maturity Securities | Commercial MBS |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 8,111 | 8,138
Gross Unrealized/Unrecognized Losses | (1,276) | (99)
Total Securities | $ 6,835 | $ 8,039

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