Segment Reporting - Segment information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) segment	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | segment			2
Revenues
Interest income	$ 10,336	$ 8,462	$ 29,540	$ 24,144
Mortgage banking income, net	542	489	1,944	1,353
Other revenues	845	828	2,438	2,442
Total revenues	11,723	9,779	33,922	27,939
Expenses
Provision for credit losses			150
Interest expense	3,265	2,348	9,463	5,541
Salaries and benefits	3,526	3,310	10,475	10,173
Loss on sale of investment securities		4,986		4,986
Other expenses	2,318	2,442	6,937	7,168
Total operating expenses	9,109	13,086	27,025	27,868
Income (loss) before income taxes	2,614	(3,307)	6,897	71
Income tax expense (benefit)	508	(754)	1,366	(155)
Net income (loss)	2,106	(2,553)	5,531	226
Capital expenditures by segment	34	123	273	550
Total assets	759,465	727,504	759,465	727,504	$ 736,616
Eliminations [Member]
Revenues
Mortgage banking income, net	(90)	(81)	(196)	(365)
Other revenues	(41)	(43)	(124)	(130)
Total revenues	(131)	(124)	(320)	(495)
Expenses
Other expenses	(131)	(124)	(320)	(495)
Total operating expenses	(131)	(124)	(320)	(495)
Total assets	(30,150)	(28,099)	(30,150)	(28,099)
Commercial Banking | Operating Segments [Member]
Revenues
Interest income	10,203	8,334	29,180	23,876
Other revenues	886	871	2,562	2,572
Total revenues	11,089	9,205	31,742	26,448
Expenses
Provision for credit losses			150
Interest expense	3,265	2,348	9,463	5,541
Salaries and benefits	2,842	2,611	8,418	8,048
Loss on sale of investment securities		4,986		4,986
Other expenses	2,235	2,279	6,575	6,809
Total operating expenses	8,342	12,224	24,606	25,384
Income (loss) before income taxes	2,747	(3,019)	7,136	1,064
Income tax expense (benefit)	536	(693)	1,416	54
Net income (loss)	2,211	(2,326)	5,720	1,010
Capital expenditures by segment	34	123	273	550
Total assets	772,990	738,452	772,990	738,452
Mortgage Banking | Operating Segments [Member]
Revenues
Interest income	133	128	360	268
Mortgage banking income, net	632	570	2,140	1,718
Total revenues	765	698	2,500	1,986
Expenses
Salaries and benefits	684	699	2,057	2,125
Other expenses	214	287	682	854
Total operating expenses	898	986	2,739	2,979
Income (loss) before income taxes	(133)	(288)	(239)	(993)
Income tax expense (benefit)	(28)	(61)	(50)	(209)
Net income (loss)	(105)	(227)	(189)	(784)
Total assets	$ 16,625	$ 17,151	$ 16,625	$ 17,151