Segment Reporting - Segment information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) segment	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | segment			2
Revenues
Interest income	$ 9,869	$ 8,099	$ 19,204	$ 15,682
Mortgage banking income, net	552	386	1,402	864
Other revenues	839	835	1,592	1,614
Total revenues	11,260	9,320	22,198	18,160
Expenses
Provision for credit losses			150
Interest expense	3,259	1,975	6,198	3,193
Salaries and benefits	3,485	3,415	6,949	6,863
Other expenses	2,454	2,417	4,618	4,726
Total operating expenses	9,198	7,807	17,915	14,782
Income (loss) before income taxes	2,062	1,513	4,283	3,378
Income tax expense (benefit)	409	274	858	599
Net income (loss)	1,653	1,239	3,425	2,779
Capital expenditures by segment	63		239	198
Total assets	747,726	754,655	747,726	754,655	$ 736,616
Eliminations [Member]
Revenues
Mortgage banking income, net	(48)	(224)	(107)	(284)
Other revenues	(41)	(43)	(83)	(86)
Total revenues	(89)	(267)	(190)	(370)
Expenses
Other expenses	(89)	(267)	(190)	(370)
Total operating expenses	(89)	(267)	(190)	(370)
Total assets	(24,521)	(27,235)	(24,521)	(27,235)
Commercial Banking | Operating Segments [Member]
Revenues
Interest income	9,734	7,998	18,977	15,541
Other revenues	880	878	1,675	1,700
Total revenues	10,614	8,876	20,652	17,241
Expenses
Provision for credit losses			150
Interest expense	3,259	1,975	6,198	3,193
Salaries and benefits	2,791	2,694	5,576	5,436
Other expenses	2,309	2,391	4,339	4,529
Total operating expenses	8,359	7,060	16,263	13,158
Income (loss) before income taxes	2,255	1,816	4,389	4,083
Income tax expense (benefit)	449	338	880	747
Net income (loss)	1,806	1,478	3,509	3,336
Capital expenditures by segment	63		239	198
Total assets	755,588	764,034	755,588	764,034
Mortgage Banking | Operating Segments [Member]
Revenues
Interest income	135	101	227	141
Mortgage banking income, net	600	610	1,509	1,148
Total revenues	735	711	1,736	1,289
Expenses
Salaries and benefits	694	721	1,373	1,427
Other expenses	234	293	469	567
Total operating expenses	928	1,014	1,842	1,994
Income (loss) before income taxes	(193)	(303)	(106)	(705)
Income tax expense (benefit)	(40)	(64)	(22)	(148)
Net income (loss)	(153)	(239)	(84)	(557)
Total assets	$ 16,659	$ 17,856	$ 16,659	$ 17,856