Segment Reporting (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2016 USD ($) Segment	Mar. 31, 2015 USD ($)	Dec. 31, 2015 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	$ 7,365	$ 7,504
Income from fiduciary activities	901	980
Other income	2,764	2,297
Total operating income	11,030	10,781
Expenses
Interest expense	719	893
Provision for loan losses	150	275	$ 1,025
Salaries and employee benefits	5,154	5,049
Other expenses	3,937	3,238
Total operating expenses	9,960	9,455
Income before income taxes	1,070	1,326
Income tax expense (benefit)	49	121
Net income	1,021	1,205
Property, Plant and Equipment, Additions	371	973
Total assets	856,847	887,678	$ 896,787
Bank [Member]
Revenues
Interest and dividend income	7,351	7,491
Income from fiduciary activities	0	0
Other income	2,503	2,051
Total operating income	9,854	9,542
Expenses
Interest expense	719	893
Provision for loan losses	150	275
Salaries and employee benefits	4,362	4,309
Other expenses	3,615	3,035
Total operating expenses	8,846	8,512
Income before income taxes	1,008	1,030
Income tax expense (benefit)	28	20
Net income	980	1,010
Property, Plant and Equipment, Additions	367	955
Total assets	851,716	882,771
Trust [Member]
Revenues
Interest and dividend income	14	13
Income from fiduciary activities	901	980
Other income	276	261
Total operating income	1,191	1,254
Expenses
Interest expense	0	0
Provision for loan losses	0	0
Salaries and employee benefits	678	627
Other expenses	261	236
Total operating expenses	939	863
Income before income taxes	252	391
Income tax expense (benefit)	86	133
Net income	166	258
Property, Plant and Equipment, Additions	4	18
Total assets	5,865	5,848
Unconsolidated Parent [Member]
Revenues
Interest and dividend income	1,146	1,268
Income from fiduciary activities	0	0
Other income	50	50
Total operating income	1,196	1,318
Expenses
Interest expense	0	0
Provision for loan losses	0	0
Salaries and employee benefits	114	113
Other expenses	126	32
Total operating expenses	240	145
Income before income taxes	956	1,173
Income tax expense (benefit)	(65)	(32)
Net income	1,021	1,205
Property, Plant and Equipment, Additions	0	0
Total assets	94,236	89,543
Eliminations [Member]
Revenues
Interest and dividend income	(1,146)	(1,268)
Income from fiduciary activities	0	0
Other income	(65)	(65)
Total operating income	(1,211)	(1,333)
Expenses
Interest expense	0	0
Provision for loan losses	0	0
Salaries and employee benefits	0	0
Other expenses	(65)	(65)
Total operating expenses	(65)	(65)
Income before income taxes	(1,146)	(1,268)
Income tax expense (benefit)	0	0
Net income	(1,146)	(1,268)
Property, Plant and Equipment, Additions	0	0
Total assets	$ (94,970)	$ (90,484)