SECURITIES (Schedule of Carrying Value, Gross Unrealized Gains and Losses and Estimated Fair Value of Securities) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	$ 855,418	$ 847,732
Gross Unrealized Gains	6,186	2,218
Gross Unrealized Losses	(38,505)	(48,063)
Held-to-maturity Securities, Fair Value	823,099	801,887
U.S. government and agency securities
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	684	687
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(50)	(56)
Held-to-maturity Securities, Fair Value	634	631
Obligations of states and political subdivisions
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	702,749	705,990
Gross Unrealized Gains	6,078	2,218
Gross Unrealized Losses	(26,903)	(35,957)
Held-to-maturity Securities, Fair Value	681,924	672,251
Corporate and other bonds
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	5,033	5,159
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(37)	(10)
Held-to-maturity Securities, Fair Value	4,996	5,149
Commercial
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	55,993	42,761
Gross Unrealized Gains	57	0
Gross Unrealized Losses	(5,177)	(4,999)
Held-to-maturity Securities, Fair Value	50,873	37,762
Residential
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	90,959	93,135
Gross Unrealized Gains	51	0
Gross Unrealized Losses	(6,338)	(7,041)
Held-to-maturity Securities, Fair Value	84,672	86,094
Agency | Commercial
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	28,925	29,025
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(4,953)	(4,873)
Held-to-maturity Securities, Fair Value	23,972	24,152
Agency | Residential
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	42,302	42,699
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(5,606)	(6,427)
Held-to-maturity Securities, Fair Value	36,696	36,272
Non-agency | Commercial
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	27,068	13,736
Gross Unrealized Gains	57	0
Gross Unrealized Losses	(224)	(126)
Held-to-maturity Securities, Fair Value	26,901	13,610
Non-agency | Residential
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	48,657	50,436
Gross Unrealized Gains	51	0
Gross Unrealized Losses	(732)	(614)
Held-to-maturity Securities, Fair Value	$ 47,976	$ 49,822