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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 | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | $ 807,080 | $ 837,378
Gross Unrealized Gains | 3,946 | 6,334
Gross Unrealized Losses | (34,199) | (35,638)
Held-to-maturity Securities, Fair Value | 776,827 | 808,074
US States and Political Subdivisions Debt Securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 695,460 | 699,189
Gross Unrealized Gains | 3,775 | 6,175
Gross Unrealized Losses | (23,241) | (23,464)
Held-to-maturity Securities, Fair Value | 675,994 | 681,900
Corporate Bond Securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 3,484 | 4,349
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (64) | (100)
Held-to-maturity Securities, Fair Value | 3,420 | 4,249
Collateralized Mortgage-Backed Securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 108,136 | 133,840
Commercial Mortgage-Backed Securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 48,382 | 51,980
Gross Unrealized Gains | 156 | 37
Gross Unrealized Losses | (5,841) | (6,019)
Held-to-maturity Securities, Fair Value | 42,697 | 45,998
Residential Mortgage-Backed Securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 59,754 | 81,860
Gross Unrealized Gains | 15 | 122
Gross Unrealized Losses | (5,053) | (6,055)
Held-to-maturity Securities, Fair Value | 54,716 | 75,927
Agency Securities [Member] | Commercial Mortgage-Backed Securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 27,164 | 27,477
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (5,308) | (5,570)
Held-to-maturity Securities, Fair Value | 21,856 | 21,907
Agency Securities [Member] | Residential Mortgage-Backed Securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 38,339 | 40,562
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (4,872) | (5,713)
Held-to-maturity Securities, Fair Value | 33,467 | 34,849
Non-agency | Commercial Mortgage-Backed Securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 21,218 | 24,503
Gross Unrealized Gains | 156 | 37
Gross Unrealized Losses | (533) | (449)
Held-to-maturity Securities, Fair Value | 20,841 | 24,091
Non-agency | Residential Mortgage-Backed Securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Total HTM Securities | 21,415 | 41,298
Gross Unrealized Gains | 15 | 122
Gross Unrealized Losses | (181) | (342)
Held-to-maturity Securities, Fair Value | $ 21,249 | $ 41,078

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