SECURITIES AND OTHER INVESTMENTS (Schedule of Carrying Value, Gross Unrealized Gains and Losses and Estimated Fair Value of Securities) (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	$ 810,450	$ 837,378
Gross Unrealized Gains	1,040	6,334
Gross Unrealized Losses	(45,018)	(35,638)
Held-to-maturity Securities, Fair Value	766,472	808,074
US States and Political Subdivisions Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	694,772	699,189
Gross Unrealized Gains	1,015	6,175
Gross Unrealized Losses	(31,356)	(23,464)
Held-to-maturity Securities, Fair Value	664,431	681,900
Corporate Bond Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	3,804	4,349
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(130)	(100)
Held-to-maturity Securities, Fair Value	3,674	4,249
Collateralized Mortgage-Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	111,874	133,840
Commercial Mortgage-Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	49,048	51,980
Gross Unrealized Gains	6	37
Gross Unrealized Losses	(6,677)	(6,019)
Held-to-maturity Securities, Fair Value	42,377	45,998
Residential Mortgage-Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	62,826	81,860
Gross Unrealized Gains	19	122
Gross Unrealized Losses	(6,855)	(6,055)
Held-to-maturity Securities, Fair Value	55,990	75,927
Agency Securities [Member] | Commercial Mortgage-Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	27,273	27,477
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(6,024)	(5,570)
Held-to-maturity Securities, Fair Value	21,249	21,907
Agency Securities [Member] | Residential Mortgage-Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	39,409	40,562
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(6,468)	(5,713)
Held-to-maturity Securities, Fair Value	32,941	34,849
Non-agency | Commercial Mortgage-Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	21,775	24,503
Gross Unrealized Gains	6	37
Gross Unrealized Losses	(653)	(449)
Held-to-maturity Securities, Fair Value	21,128	24,091
Non-agency | Residential Mortgage-Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	23,417	41,298
Gross Unrealized Gains	19	122
Gross Unrealized Losses	(387)	(342)
Held-to-maturity Securities, Fair Value	$ 23,049	$ 41,078