FEDERAL HOME LOAN BANK ADVANCES - SHORT-TERM FHLB ADVANCES (Details) - Federal Home Loan Bank advances. - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2021
FHLB advances
Average outstanding balance during the period	$ 25,000	$ 32,597
Average interest rate during the period (as percent)	0.16%	0.16%
Maximum outstanding at any month end during the period	$ 25,000	$ 25,000