Segment Reporting (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($) Segment Area	Dec. 31, 2017 USD ($)
Revenues [Abstract]
Interest and dividend income	$ 38,257	$ 32,934
Total operating income	51,528	46,241
Expenses [Abstract]
Interest expense	4,969	3,012
Provision for loan losses	2,861	4,160
Salaries and employee benefits	22,580	24,213
Other expenses	15,920	14,982
Total operating expenses	46,330	46,637
Income (loss) before income taxes	5,198	(126)
Income tax expense (benefit)	279	(97)
Net income (loss)	4,919	(29)
Capital expenditures	478	619
Total assets	$ 1,038,183	981,826
Number of principal business segments | Segment	3
Number of geographical areas in which an entity operates | Area	1
Income from Fiduciary Activities [Member]
Revenues [Abstract]
Noninterest revenue	$ 3,726	3,786
Other Income [Member]
Revenues [Abstract]
Noninterest revenue	9,545	9,521
Operating Segments [Member] | Bank [Member]
Revenues [Abstract]
Interest and dividend income	38,160	32,861
Total operating income	46,711	41,499
Expenses [Abstract]
Interest expense	4,870	3,010
Provision for loan losses	2,861	4,160
Salaries and employee benefits	19,150	20,968
Other expenses	14,078	13,358
Total operating expenses	40,959	41,496
Income (loss) before income taxes	5,752	3
Income tax expense (benefit)	256	(65)
Net income (loss)	5,496	68
Capital expenditures	478	613
Total assets	1,032,676	975,991
Operating Segments [Member] | Bank [Member] | Income from Fiduciary Activities [Member]
Revenues [Abstract]
Noninterest revenue	0	0
Operating Segments [Member] | Bank [Member] | Other Income [Member]
Revenues [Abstract]
Noninterest revenue	8,551	8,638
Operating Segments [Member] | Trust [Member]
Revenues [Abstract]
Interest and dividend income	95	71
Total operating income	4,847	4,801
Expenses [Abstract]
Interest expense	0	0
Provision for loan losses	0	0
Salaries and employee benefits	2,977	2,800
Other expenses	1,086	1,075
Total operating expenses	4,063	3,875
Income (loss) before income taxes	784	926
Income tax expense (benefit)	166	328
Net income (loss)	618	598
Capital expenditures	0	6
Total assets	6,226	6,126
Operating Segments [Member] | Trust [Member] | Income from Fiduciary Activities [Member]
Revenues [Abstract]
Noninterest revenue	3,726	3,786
Operating Segments [Member] | Trust [Member] | Other Income [Member]
Revenues [Abstract]
Noninterest revenue	1,026	944
Operating Segments [Member] | Unconsolidated Parent [Member]
Revenues [Abstract]
Interest and dividend income	6,116	667
Total operating income	6,346	867
Expenses [Abstract]
Interest expense	99	0
Provision for loan losses	0	0
Salaries and employee benefits	453	445
Other expenses	1,018	811
Total operating expenses	1,570	1,256
Income (loss) before income taxes	4,776	(389)
Income tax expense (benefit)	(143)	(360)
Net income (loss)	4,919	(29)
Capital expenditures	0	0
Total assets	104,592	96,406
Operating Segments [Member] | Unconsolidated Parent [Member] | Income from Fiduciary Activities [Member]
Revenues [Abstract]
Noninterest revenue	0	0
Operating Segments [Member] | Unconsolidated Parent [Member] | Other Income [Member]
Revenues [Abstract]
Noninterest revenue	230	200
Eliminations [Member]
Revenues [Abstract]
Interest and dividend income	(6,114)	(665)
Total operating income	(6,376)	(926)
Expenses [Abstract]
Interest expense	0	2
Provision for loan losses	0	0
Salaries and employee benefits	0	0
Other expenses	(262)	(262)
Total operating expenses	(262)	(260)
Income (loss) before income taxes	(6,114)	(666)
Income tax expense (benefit)	0	0
Net income (loss)	(6,114)	(666)
Capital expenditures	0	0
Total assets	(105,311)	(96,697)
Eliminations [Member] | Income from Fiduciary Activities [Member]
Revenues [Abstract]
Noninterest revenue	0	0
Eliminations [Member] | Other Income [Member]
Revenues [Abstract]
Noninterest revenue	$ (262)	$ (261)