INVESTMENTS (Amortized Cost and Fair Values of HTM Securities by Contractual Maturity) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Held-to-maturity, Amortized Cost
Due in one year or less	$ 0
Due after one year through five years	2,294
Due after five years through ten years	23,223
Due after ten years	57,108
Due in one year or less	81,474
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date	82,625
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, without Single Maturity Date	451,959
Debt Securities, Held-to-maturity, Maturity, without Single Maturity Date, Fair Value	414,116
Amortized Cost	534,584	$ 546,583
Held-to-maturity, Fair Value
Due in one year or less	0
Due after one year through five years	2,301
Due after five years through ten years	21,712
Due after ten years	57,461
Fair value, total	$ 495,590	$ 506,193