SECURITIES (Schedule of financing receivable credit quality indicators) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 85,354	$ 88,890
Obligations of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
Total	85,354	88,890
AAA | Obligations of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
Total	3,236	0
AA, AA+, AA- | Obligations of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
Total	61,793	64,385
A+, A, A- | Obligations of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
Total	14,933	18,353
BBB | Obligations of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
Total	4,914	4,208
Not Rated | Obligations of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 478	$ 1,944