SECURITIES (Schedule of Carrying Value, Gross Unrealized Gains and Losses and Estimated Fair Value of Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	$ 841,349	$ 628,000
Gross Unrealized Gains	176	65,982
Gross Unrealized Losses	(76,045)	(208)
Held-to-maturity Securities, Fair Value	765,480	693,774
U.S. government and agency securities
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	690	2,604
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(39)	(29)
Held-to-maturity Securities, Fair Value	651	2,575
Obligations of states and political subdivisions
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	724,330	620,873
Gross Unrealized Gains	176	65,982
Gross Unrealized Losses	(64,366)	(121)
Held-to-maturity Securities, Fair Value	660,140	686,734
Residential
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	87,233
Gross Unrealized Gains	0
Gross Unrealized Losses	(7,280)
Held-to-maturity Securities, Fair Value	79,953
Agency | Commercial
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	29,096	4,523
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(4,360)	(58)
Held-to-maturity Securities, Fair Value	24,736	$ 4,465
Agency | Residential
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	43,080
Gross Unrealized Gains	0
Gross Unrealized Losses	(6,732)
Held-to-maturity Securities, Fair Value	36,348
Non-agency | Residential
Schedule of Held-to-maturity Securities [Line Items]
Total HTM Securities	44,153
Gross Unrealized Gains	0
Gross Unrealized Losses	(548)
Held-to-maturity Securities, Fair Value	$ 43,605