SECURITIES (Securities held to maturity) (Details) $ in Thousands	Sep. 30, 2024 USD ($) security	Dec. 31, 2023 USD ($) security
Fair Value
Less than 12 months	$ 0	$ 145,471
12 months or longer	359,221	569,691
Total	359,221	715,162
Unrealized Losses
Less than 12 months	0	(3,706)
12 months or longer	(5,240)	(21,758)
Total	$ (5,240)	$ (25,464)
Count
Less than 12 months | security	0	23
12 months or longer | security	66	126
Total | security	66	149
Obligations of states and political subdivisions
Fair Value
Less than 12 months	$ 0	$ 145,471
12 months or longer	359,221	569,691
Total	359,221	715,162
Unrealized Losses
Less than 12 months	0	(3,706)
12 months or longer	(5,240)	(21,758)
Total	$ (5,240)	$ (25,464)
Count
Less than 12 months | security	0	23
12 months or longer | security	66	126
Total | security	66	149