Loans and the Allowance for Loan Losses, Activity In Period (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015	Sep. 30, 2016	Dec. 31, 2015
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				$ 7,738	$ 7,075	$ 7,075
Charges-offs				(1,539)		(897)
Recoveries				281		535
Provision for loan losses		$ (100)	$ (50)	1,300	250	1,025
Ending balance		7,780		7,780		7,738
Ending balances individually evaluated for impairment							$ 633	$ 798
Ending balances collectively evaluated for impairment							7,147	6,940
Ending balance		7,780		7,738	7,075	7,738	7,780	7,738
Loan Balances [Abstract]
Ending balance individually evaluated for impairment							18,727	13,050
Ending balance collectively evaluated for impairment							575,193	555,425
Ending balance							593,920	568,475
Commercial [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				633	595	595
Charges-offs				(915)		(293)
Recoveries				33		50
Provision for loan losses				1,209		281
Ending balance		960		960		633
Ending balances individually evaluated for impairment							180	8
Ending balances collectively evaluated for impairment							780	625
Ending balance		960		633	595	633	960	633
Loan Balances [Abstract]
Ending balance individually evaluated for impairment							973	275
Ending balance collectively evaluated for impairment							46,266	42,922
Ending balance							47,239	43,197
Real Estate - Construction [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				985	703	703
Charges-offs				0		0
Recoveries				3		1
Provision for loan losses				93		281
Ending balance		1,081		1,081		985
Ending balances individually evaluated for impairment							34	36
Ending balances collectively evaluated for impairment							1,047	949
Ending balance		1,081		985	703	985	1,081	985
Loan Balances [Abstract]
Ending balance individually evaluated for impairment							629	99
Ending balance collectively evaluated for impairment							22,050	19,586
Ending balance							22,679	19,685
Real Estate - Mortgage [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance	[1]			5,628	5,347	5,347
Charges-offs	[1]			(393)		(321)
Recoveries	[1]			192		393
Provision for loan losses	[1]			(305)		209
Ending balance	[1]	5,122		5,122		5,628
Ending balances individually evaluated for impairment	[1]						384	754
Ending balances collectively evaluated for impairment	[1]						4,738	4,874
Ending balance	[1]	5,122		5,628	5,347	5,347	5,122	5,628
Loan Balances [Abstract]
Ending balance individually evaluated for impairment	[1]						16,947	12,664
Ending balance collectively evaluated for impairment	[1]						431,424	424,495
Ending balance	[1]						448,371	437,159
Consumer [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				279	219	219
Charges-offs				(132)		(92)
Recoveries				23		39
Provision for loan losses				175		113
Ending balance		345		345		279
Ending balances individually evaluated for impairment							35	0
Ending balances collectively evaluated for impairment							310	279
Ending balance		345		279	219	279	345	279
Loan Balances [Abstract]
Ending balance individually evaluated for impairment							178	12
Ending balance collectively evaluated for impairment							49,450	50,415
Ending balance							49,628	50,427
Other [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				213	211	211
Charges-offs				(99)		(191)
Recoveries				30		52
Provision for loan losses				128		141
Ending balance		272		272		213
Ending balances individually evaluated for impairment							0	0
Ending balances collectively evaluated for impairment							272	213
Ending balance		$ 272		$ 213	$ 211	$ 211	272	213
Loan Balances [Abstract]
Ending balance individually evaluated for impairment							0	0
Ending balance collectively evaluated for impairment							26,003	18,007
Ending balance							$ 26,003	$ 18,007

[1] The real estate-mortgage segment includes residential 1 - 4 family, commercial real estate, second mortgages and equity lines of credit.