Segment Reporting (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) Segment	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting [Abstract]
Number of principal business segments | Segment			3
Revenues [Abstract]
Interest and dividend income	$ 9,848	$ 10,133	$ 19,834	$ 20,009
Total operating income	13,806	13,706	27,070	26,998
Expenses [Abstract]
Interest expense	1,375	1,602	2,943	3,119
Provision for loan losses	300	787	600	1,013	$ 318
Salaries and employee benefits	5,464	5,927	11,458	11,626
Other expenses	3,740	3,581	7,776	7,173
Total operating expenses	10,879	11,897	22,777	22,931
Income before income taxes	2,927	1,809	4,293	4,067
Income tax expense (benefit)	433	183	549	414
Net income	2,494	1,626	3,744	3,653
Capital expenditures	294	181	662	679
Total assets	1,221,245	1,029,404	1,221,245	1,029,404	$ 1,054,488
Income from Fiduciary Activities [Member]
Revenues [Abstract]
Noninterest revenue	909	929	1,926	1,888
Other Income [Member]
Revenues [Abstract]
Noninterest revenue	3,049	2,644	5,310	5,101
Operating Segments [Member] | Bank [Member]
Revenues [Abstract]
Interest and dividend income	9,837	10,101	19,800	19,947
Total operating income	12,653	12,454	24,606	24,488
Expenses [Abstract]
Interest expense	1,361	1,571	2,909	3,057
Provision for loan losses	300	787	600	1,013
Salaries and employee benefits	4,571	5,055	9,559	9,873
Other expenses	3,452	3,259	7,134	6,607
Total operating expenses	9,684	10,672	20,202	20,550
Income before income taxes	2,969	1,782	4,404	3,938
Income tax expense (benefit)	441	176	570	385
Net income	2,528	1,606	3,834	3,553
Capital expenditures	288	157	656	655
Total assets	1,214,546	1,023,404	1,214,546	1,023,404
Operating Segments [Member] | Bank [Member] | Income from Fiduciary Activities [Member]
Revenues [Abstract]
Noninterest revenue	0	0	0	0
Operating Segments [Member] | Bank [Member] | Other Income [Member]
Revenues [Abstract]
Noninterest revenue	2,816	2,353	4,806	4,541
Operating Segments [Member] | Trust [Member]
Revenues [Abstract]
Interest and dividend income	11	32	34	62
Total operating income	1,169	1,268	2,495	2,541
Expenses [Abstract]
Interest expense	0	0	0	0
Provision for loan losses	0	0	0	0
Salaries and employee benefits	741	756	1,555	1,523
Other expenses	236	258	578	507
Total operating expenses	977	1,014	2,133	2,030
Income before income taxes	192	254	362	511
Income tax expense (benefit)	41	54	78	109
Net income	151	200	284	402
Capital expenditures	6	24	6	24
Total assets	7,008	6,498	7,008	6,498
Operating Segments [Member] | Trust [Member] | Income from Fiduciary Activities [Member]
Revenues [Abstract]
Noninterest revenue	909	929	1,926	1,888
Operating Segments [Member] | Trust [Member] | Other Income [Member]
Revenues [Abstract]
Noninterest revenue	249	307	535	591
Operating Segments [Member] | Parent [Member]
Revenues [Abstract]
Interest and dividend income	2,679	1,805	4,118	3,955
Total operating income	2,729	1,855	4,218	4,055
Expenses [Abstract]
Interest expense	14	31	34	62
Provision for loan losses	0	0	0	0
Salaries and employee benefits	152	116	344	230
Other expenses	118	130	195	190
Total operating expenses	284	277	573	482
Income before income taxes	2,445	1,578	3,645	3,573
Income tax expense (benefit)	(49)	(47)	(99)	(80)
Net income	2,494	1,625	3,744	3,653
Capital expenditures	0	0	0	0
Total assets	117,558	109,698	117,558	109,698
Operating Segments [Member] | Parent [Member] | Income from Fiduciary Activities [Member]
Revenues [Abstract]
Noninterest revenue	0	0	0	0
Operating Segments [Member] | Parent [Member] | Other Income [Member]
Revenues [Abstract]
Noninterest revenue	50	50	100	100
Eliminations [Member]
Revenues [Abstract]
Interest and dividend income	(2,679)	(1,805)	(4,118)	(3,955)
Total operating income	(2,745)	(1,871)	(4,249)	(4,086)
Expenses [Abstract]
Interest expense	0	0	0	0
Provision for loan losses	0	0	0	0
Salaries and employee benefits	0	0	0	0
Other expenses	(66)	(66)	(131)	(131)
Total operating expenses	(66)	(66)	(131)	(131)
Income before income taxes	(2,679)	(1,805)	(4,118)	(3,955)
Income tax expense (benefit)	0	0	0	0
Net income	(2,679)	(1,805)	(4,118)	(3,955)
Capital expenditures	0	0	0	0
Total assets	(117,867)	(110,196)	(117,867)	(110,196)
Eliminations [Member] | Income from Fiduciary Activities [Member]
Revenues [Abstract]
Noninterest revenue	0	0	0	0
Eliminations [Member] | Other Income [Member]
Revenues [Abstract]
Noninterest revenue	$ (66)	$ (66)	$ (131)	$ (131)