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SECURITIES AND OTHER INVESTMENTS (Schedule of Carrying Value, Gross Unrealized Gains and Losses and Estimated Fair Value of Securities) (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | $ 828,928 | $ 837,378
Gross Unrealized Gains | 2,986 | 6,334
Gross Unrealized Losses | (40,569) | (35,638)
Held-to-maturity Securities, Fair Value | 791,345 | 808,074
Obligations of states and political subdivisions |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 695,952 | 699,189
Gross Unrealized Gains | 2,851 | 6,175
Gross Unrealized Losses | (27,308) | (23,464)
Held-to-maturity Securities, Fair Value | 671,495 | 681,900
Corporate and other bonds |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 4,230 | 4,349
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (182) | (100)
Held-to-maturity Securities, Fair Value | 4,048 | 4,249
Mortgage-backed securities |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 128,746 | 133,840
Commercial |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 50,814 | 51,980
Gross Unrealized Gains | 14 | 37
Gross Unrealized Losses | (6,312) | (6,019)
Held-to-maturity Securities, Fair Value | 44,516 | 45,998
Residential |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 77,932 | 81,860
Gross Unrealized Gains | 121 | 122
Gross Unrealized Losses | (6,767) | (6,055)
Held-to-maturity Securities, Fair Value | 71,286 | 75,927
Agency | Commercial |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 27,377 | 27,477
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (5,819) | (5,570)
Held-to-maturity Securities, Fair Value | 21,558 | 21,907
Agency | Residential |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 39,928 | 40,562
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (6,365) | (5,713)
Held-to-maturity Securities, Fair Value | 33,563 | 34,849
Non-agency | Commercial |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 23,437 | 24,503
Gross Unrealized Gains | 14 | 37
Gross Unrealized Losses | (493) | (449)
Held-to-maturity Securities, Fair Value | 22,958 | 24,091
Non-agency | Residential |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 38,004 | 41,298
Gross Unrealized Gains | 121 | 122
Gross Unrealized Losses | (402) | (342)
Held-to-maturity Securities, Fair Value | $ 37,723 | $ 41,078

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