SECURITIES (Schedule of financing receivable credit quality indicators) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 88,761	$ 91,324
Obligations of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
Total	88,761	$ 91,324
Standard & Poor's, AAA Rating | Obligations of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
Total	0
Standard & Poor's, AA, AA+, AA- | Obligations of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
Total	27,465
Standard & Poor's, A+, A, A- Rating | Obligations of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
Total	10,451
Standard & Poor's, BBB Rating | Obligations of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
Total	0
Standard & Poor's, Not Rated | Obligations of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 50,845