LOANS, PAST-DUE, AND ACCRUING RESTRUCTURED LOANS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Financing receivables, non-accruals, past-due, and accruing restructured loans [Line Items]
Total non-accrual loans	$ 391	$ 1,481
Past-due 90 days or more and still accruing	39	56
Total non-accrual and past-due 90 days or more and still accruing	430	1,537
Accruing restructured loans	1,376	2,622
Total	$ 1,806	$ 4,159
Ratio of total non-accrual loans to total loans	0.03%	0.11%
Ratio of total non-accrual loans, past-due 90 days or more and still accruing, and accruing restructured loans to total loans	0.13%	0.30%
Interest income	$ 32	$ 31
Commercial & industrial
Financing receivables, non-accruals, past-due, and accruing restructured loans [Line Items]
Past-due 90 days or more and still accruing	0	0
Commercial, secured by real estate
Financing receivables, non-accruals, past-due, and accruing restructured loans [Line Items]
Total non-accrual loans	319	1,182
Past-due 90 days or more and still accruing	0	0
Agricultural
Financing receivables, non-accruals, past-due, and accruing restructured loans [Line Items]
Past-due 90 days or more and still accruing	0	0
Residential real estate
Financing receivables, non-accruals, past-due, and accruing restructured loans [Line Items]
Total non-accrual loans	72	299
Past-due 90 days or more and still accruing	$ 39	$ 51