REVENUE FROM CONTRACTS WITH CUSTOMERS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 6,959	$ 6,962	$ 20,032	$ 20,537
Revenue Not from Contract with Customer	5,737	3,777	16,127	9,628
Noninterest Income	12,696	10,739	36,159	30,165
Products And Services, Debt Card Income [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	2,627	2,432	7,159	6,723
Products And Services, Deposit Accounts Service Charges [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	1,606	1,970	4,955	6,202
Products And Services, Fiduciary Services Income [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	1,504	1,444	4,609	4,381
Products And Services, Brokerage and Insurance Commissions [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	755	625	2,034	1,942
Products And Services, Other Income [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 467	$ 491	$ 1,275	$ 1,289