INVESTMENT SECURITIES (Schedule of Amortized Cost and Fair Value of Securities Classified by Contractual Maturity) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Held-to-maturity Securities, Amortized Cost
After 1 year through 5 years	$ 37,984	$ 29,852
After 5 years though 10 years	1,112	9,505
After 10 years	429,764	471,068
Amortized Cost, total	468,860	510,425
Held-to-maturity Securities, Fair Value
After 1 year through 5 years	35,507	27,630
After 5 years though 10 years	1,044	8,130
After 10 years	367,701	401,530
Fair Value, total	404,252	437,290
Available-for-sale Securities, Amortized Cost
After 1 year through 5 years	65,822	54,736
After 5 years though 10 years	22,163	36,043
After 10 years	451,005	443,886
Amortized Cost, total	538,990	534,665
Available-for-sale Securities, Fair Value
After 1 year through 5 years	60,757	48,959
After 5 years though 10 years	21,174	32,872
After 10 years	379,276	363,916
Fair Value, total	461,207	445,747
Securities pledged	$ 845,700	$ 25,000