Segment Reporting (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) Segment	Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)
Segment Reporting [Abstract]
Number of operating segments | Segment			3
Description of operating segments			The Company's reportable segments are strategic business units that offer different products and services. They are managed separately because each segment appeals to different markets and, accordingly, requires different technologies and marketing strategies.
Revenues
Interest and dividend income	$ 8,061	$ 7,435	$ 15,786	$ 14,800
Income from fiduciary activities	951	877	1,917	1,778
Other income	3,140	2,409	5,337	5,173
Total operating income	12,152	10,721	23,040	21,751
Expenses
Interest expense	673	582	1,261	1,301
Provision for loan losses	1,000	1,250	1,650	1,400	$ 1,930
Salaries and employee benefits	5,449	4,890	10,546	10,044
Other expenses	3,821	3,595	7,430	7,532
Total operating expenses	10,943	10,317	20,887	20,277
Loss (gain) on other real estate owned	1,209	404	2,153	1,474
Income tax expense (benefit)	48	(148)	50	(99)
Net income	1,161	552	2,103	1,573
Property, Plant and Equipment, Additions	195	105	444	476
Total assets	952,518	897,673	952,518	897,673	$ 902,966
Bank [Member]
Revenues
Interest and dividend income	8,043	7,420	15,751	14,771
Income from fiduciary activities	0	0	0	0
Other income	2,903	2,174	4,858	4,677
Total operating income	10,946	9,594	20,609	19,448
Expenses
Interest expense	672	582	1,260	1,301
Provision for loan losses	1,000	1,250	1,650	1,400
Salaries and employee benefits	4,654	4,124	8,909	8,486
Other expenses	3,471	3,183	6,796	6,798
Total operating expenses	9,797	9,139	18,615	17,985
Loss (gain) on other real estate owned	1,149	455	1,994	1,463
Income tax expense (benefit)	27	(131)	(5)	(103)
Net income	1,122	586	1,999	1,566
Property, Plant and Equipment, Additions	195	105	444	472
Total assets	946,734	891,786	946,734	891,786
Trust [Member]
Revenues
Interest and dividend income	17	15	34	29
Income from fiduciary activities	951	877	1,917	1,778
Other income	252	250	510	526
Total operating income	1,220	1,142	2,461	2,333
Expenses
Interest expense	0	0	0	0
Provision for loan losses	0	0	0	0
Salaries and employee benefits	684	679	1,411	1,357
Other expenses	249	251	514	512
Total operating expenses	933	930	1,925	1,869
Loss (gain) on other real estate owned	287	212	536	464
Income tax expense (benefit)	98	72	183	158
Net income	189	140	353	306
Property, Plant and Equipment, Additions	0	0	0	4
Total assets	5,956	5,814	5,956	5,814
Unconsolidated Parent [Member]
Revenues
Interest and dividend income	1,311	725	2,352	1,871
Income from fiduciary activities	0	0	0	0
Other income	50	50	100	100
Total operating income	1,361	775	2,452	1,971
Expenses
Interest expense	0	0	0	0
Provision for loan losses	0	0	0	0
Salaries and employee benefits	111	87	226	201
Other expenses	166	226	251	352
Total operating expenses	277	313	477	553
Loss (gain) on other real estate owned	1,084	462	1,975	1,418
Income tax expense (benefit)	(77)	(89)	(128)	(154)
Net income	1,161	551	2,103	1,572
Property, Plant and Equipment, Additions	0	0	0	0
Total assets	96,942	95,933	96,942	95,933
Eliminations [Member]
Revenues
Interest and dividend income	(1,310)	(725)	(2,351)	(1,871)
Income from fiduciary activities	0	0	0	0
Other income	(65)	(65)	(131)	(130)
Total operating income	(1,375)	(790)	(2,482)	(2,001)
Expenses
Interest expense	1	0	1	0
Provision for loan losses	0	0	0	0
Salaries and employee benefits	0	0	0	0
Other expenses	(65)	(65)	(131)	(130)
Total operating expenses	(64)	(65)	(130)	(130)
Loss (gain) on other real estate owned	(1,311)	(725)	(2,352)	(1,871)
Income tax expense (benefit)	0	0	0	0
Net income	(1,311)	(725)	(2,352)	(1,871)
Property, Plant and Equipment, Additions	0	0	0	0
Total assets	$ (97,114)	$ (95,860)	$ (97,114)	$ (95,860)