BORROWED FUNDS - Repurchase Agreements (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Investment Securities
Borrowed funds
Investment securities held as collateral	$ 10,700	$ 10,500
Repurchase Agreements
Borrowed funds
Balance at end of year	10,266	10,172
Average balance during the year	9,856	11,252
Maximum month-end balance	$ 10,505	$ 14,655
Weighted-average rate during the year	0.23%	0.43%
Weighted-average rate at December 31	0.14%	0.44%

The average effective interest rate during the reporting period.

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