Loans - Credit Quality Indicators (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023
Loans
Total	$ 239,259	$ 238,339	$ 229,682
Real Estate, Residential Loans
Loans
Year 1	9,479	11,865
Year 2	13,034	17,053
Year 3	16,291	12,280
Year 4	11,510	4,740
Year 5	4,533	5,478
Prior	21,154	18,332
Revolving Loans	4,374	4,147
Revolving Loans Converted to Term Loans	1,072	401
Total	81,447	74,296	73,025
Real Estate, Residential Loans \| A, B, or C
Loans
Year 1	9,479	11,865
Year 2	13,034	17,053
Year 3	16,291	12,158
Year 4	11,212	4,695
Year 5	4,429	5,451
Prior	20,033	17,502
Revolving Loans	4,374	4,147
Revolving Loans Converted to Term Loans	1,072	401
Total	79,924	73,272
Real Estate, Residential Loans \| S
Loans
Prior	460	66
Total	460	66
Real Estate, Residential Loans \| D
Loans
Year 3		122
Year 5	104
Prior	514	623
Total	618	745
Real Estate, Residential Loans \| E
Loans
Year 4	298	45
Year 5		27
Prior	147	141
Total	445	213
Real Estate, Construction Loans
Loans
Year 1	2,301	1,069
Year 2	557	2,119
Year 3	2,003	2,133
Year 4	1,941	1,466
Year 5	1,216	38
Prior	3,216	3,966
Revolving Loans	12,005	16,562
Total	23,239	27,353	26,907
Real Estate, Construction Loans \| A, B, or C
Loans
Year 1	2,301	1,069
Year 2	435	2,119
Year 3	2,003	2,133
Year 4	1,941	1,379
Year 5	1,135	38
Prior	3,149	3,966
Revolving Loans	8,047	12,827
Total	19,011	23,531
Real Estate, Construction Loans \| S
Loans
Prior	67
Revolving Loans	3,958	3,735
Total	4,025	3,735
Real Estate, Construction Loans \| D
Loans
Year 2	122
Year 4		87
Year 5	81
Total	203	87
Real Estate, Nonresidential Loans
Loans
Year 1	2,495	12,387
Year 2	12,116	20,951
Year 3	20,007	11,056
Year 4	10,464	15,008
Year 5	13,743	5,497
Prior	35,808	34,428
Revolving Loans	17,356	14,959
Revolving Loans Converted to Term Loans		728
Total	111,989	115,014	110,571
Real Estate, Nonresidential Loans \| A, B, or C
Loans
Year 1	2,495	12,387
Year 2	12,116	20,951
Year 3	20,007	11,056
Year 4	10,464	15,008
Year 5	13,743	5,497
Prior	35,344	34,330
Revolving Loans	17,356	14,959
Revolving Loans Converted to Term Loans		728
Total	111,525	114,916
Real Estate, Nonresidential Loans \| D
Loans
Prior	464	98
Total	464	98
Commercial and industrial
Loans
Year 1	1,008	850
Year 2	628	1,008
Year 3	663	831
Year 4	655	263
Year 5	187	2,742
Prior	2,596	39
Revolving Loans	6,399	6,763
Total	12,136	12,496	10,831
Commercial and industrial \| A, B, or C
Loans
Year 1	1,008	850
Year 2	605	1,008
Year 3	663	831
Year 4	655	263
Year 5	187	2,742
Prior	2,596	39
Revolving Loans	6,399	6,763
Total	12,113	12,496
Commercial and industrial \| D
Loans
Year 2	23
Total	23
Consumer/Other Loans
Loans
Year 1	4,291	5,353
Year 2	3,821	1,423
Year 3	894	841
Year 4	522	439
Year 5	378	252
Prior	294	307
Revolving Loans	248	513
Revolving Loans Converted to Term Loans		52
Total	10,448	9,180	$ 8,348
Consumer/Other Loans \| A, B, or C
Loans
Year 1	4,291	5,346
Year 2	3,791	1,417
Year 3	892	841
Year 4	522	439
Year 5	378	234
Prior	294	304
Revolving Loans	244	508
Revolving Loans Converted to Term Loans		52
Total	10,412	9,141
Consumer/Other Loans \| D
Loans
Year 1		7
Year 2	30	6
Year 3	2
Year 5		18
Prior		3
Revolving Loans	4	5
Total	$ 36	$ 39

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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