INVESTMENT SECURITIES (Proceeds from sales and calls of securities and associated gains and losses) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
INVESTMENT SECURITIES
Sale of available for sale securities, at amortized cost			$ 108,100
Proceeds from calls of securities available for sale	$ 25,000	$ 1,100	30,000	$ 1,065
Proceeds from sales and calls	$ 25,000		141,422	$ 1,065
Gross gains			3,286
Tax impact			$ 1,036