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Loans and Allowance for Credit Losses - Classes of loans (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Classes of loans
Total loans	$ 100,245	$ 96,905
Deferred Loan Costs	76	69
Allowance for credit losses	745	700	$ 706	$ 675
Net loans	99,576	96,274
U.S. Department of Agriculture Guaranteed Loans
Classes of loans
Net loans	2,542	2,572
Mortgage loans on real estate
Classes of loans
Total loans	91,329	88,770
Mortgage loans on real estate \| Residential 1-4 family
Classes of loans
Total loans	65,146	65,721
Allowance for credit losses	266	271	256	247
Mortgage loans on real estate \| Commercial
Classes of loans
Total loans	24,735	21,412
Allowance for credit losses	383	339	348	332
Mortgage loans on real estate \| Construction and Land Development
Classes of loans
Total loans	1,448	1,637
Allowance for credit losses	11	13	11	15
Commercial loans
Classes of loans
Total loans	5,099	4,656
Allowance for credit losses	66	60	75	65
Consumer
Classes of loans
Total loans	3,817	3,479
Allowance for credit losses	$ 19	$ 17	$ 16	$ 16