Loans - Age analysis of the loan portfolio, segregated by class of loans (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023
Loans
Loans	$ 239,259	$ 238,339	$ 229,682
Real estate, residential
Loans
Loans	81,447	74,296	73,025
Real estate, construction
Loans
Loans	23,239	27,353	26,907
Real estate, nonresidential
Loans
Loans	111,989	115,014	110,571
Commercial and industrial
Loans
Loans	12,136	12,496	10,831
Other
Loans
Loans	10,448	9,180	$ 8,348
Financial asset, 30 to 59 Days Past Due
Loans
Loans	1,494	492
Financial asset, 30 to 59 Days Past Due | Real estate, residential
Loans
Loans	841	207
Financial asset, 30 to 59 Days Past Due | Real estate, construction
Loans
Loans	63	131
Financial asset, 30 to 59 Days Past Due | Real estate, nonresidential
Loans
Loans	423	58
Financial asset, 30 to 59 Days Past Due | Commercial and industrial
Loans
Loans	47	21
Financial asset, 30 to 59 Days Past Due | Other
Loans
Loans	120	75
Financial asset, 60 to 89 Days Past Due
Loans
Loans	155	570
Financial asset, 60 to 89 Days Past Due | Real estate, residential
Loans
Loans	137	540
Financial asset, 60 to 89 Days Past Due | Commercial and industrial
Loans
Loans	11
Financial asset, 60 to 89 Days Past Due | Other
Loans
Loans	7	30
Financial asset, Greater than 90 Days Past Due
Loans
Loans	219
Financial asset, Greater than 90 Days Past Due | Real estate, residential
Loans
Loans	219
Financial asset, Past Due
Loans
Loans	1,868	1,062
Financial asset, Past Due | Real estate, residential
Loans
Loans	1,197	747
Financial asset, Past Due | Real estate, construction
Loans
Loans	63	131
Financial asset, Past Due | Real estate, nonresidential
Loans
Loans	423	58
Financial asset, Past Due | Commercial and industrial
Loans
Loans	58	21
Financial asset, Past Due | Other
Loans
Loans	127	105
Financial asset, Not Past Due
Loans
Loans	237,391	237,277
Financial asset, Not Past Due | Real estate, residential
Loans
Loans	80,250	73,549
Financial asset, Not Past Due | Real estate, construction
Loans
Loans	23,176	27,222
Financial asset, Not Past Due | Real estate, nonresidential
Loans
Loans	111,566	114,956
Financial asset, Not Past Due | Commercial and industrial
Loans
Loans	12,078	12,475
Financial asset, Not Past Due | Other
Loans
Loans	$ 10,321	$ 9,075