SECURITIES (Maturities Schedule) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Amortized Cost
Within one year	$ 32,679	$ 36,165
Over one year through five years	109,422	60,669
Over five years through ten years	167,788	67,158
After ten years	146,787	76,021
Amortized Cost	456,676	240,013
Estimated Fair Value
Within one year	32,678	37,084
Over one year through five years	109,419	62,209
Over five years through ten years	167,784	68,862
After ten years	146,783	77,950
Securities available for sale ("AFS"), at fair value	$ 456,664	$ 246,105