Loans and the Allowance for Loan Losses, Activity In Period (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016	Jun. 30, 2017	Dec. 31, 2016
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				$ 8,245	$ 7,738	$ 7,738
Charges-offs				(1,256)		(1,770)
Recoveries				71		347
Provision for loan losses		$ 1,000	$ 1,250	1,650	1,400	1,930
Ending balance		8,710		8,710		8,245
Ending balances individually evaluated for impairment							$ 660	$ 800
Ending balances collectively evaluated for impairment							8,050	7,445
Ending balance		8,710		8,245	7,738	8,245	8,710	8,245
Loan Balances [Abstract]
Ending balance individually evaluated for impairment							17,325	20,056
Ending balance collectively evaluated for impairment							662,464	583,826
Ending balance							679,789	603,882
Commercial [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				1,493	633	633
Charges-offs				(138)		(915)
Recoveries				25		79
Provision for loan losses				342		1,696
Ending balance		1,722		1,722		1,493
Ending balances individually evaluated for impairment							496	271
Ending balances collectively evaluated for impairment							1,226	1,222
Ending balance		1,722		1,493	633	633	1,722	1,493
Loan Balances [Abstract]
Ending balance individually evaluated for impairment							1,610	989
Ending balance collectively evaluated for impairment							55,975	53,445
Ending balance							57,585	54,434
Real Estate - Construction [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				846	985	985
Charges-offs				0		0
Recoveries				0		3
Provision for loan losses				(456)		(142)
Ending balance		390		390		846
Ending balances individually evaluated for impairment							20	22
Ending balances collectively evaluated for impairment							370	824
Ending balance		390		846	985	846	390	846
Loan Balances [Abstract]
Ending balance individually evaluated for impairment							94	624
Ending balance collectively evaluated for impairment							25,674	22,492
Ending balance							25,768	23,116
Real Estate - Mortgage [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance	[1]			5,267	5,628	5,628
Charges-offs	[1]			(983)		(504)
Recoveries	[1]			6		197
Provision for loan losses	[1]			985		(54)
Ending balance	[1]	5,275		5,275		5,267
Ending balances individually evaluated for impairment	[1]						144	507
Ending balances collectively evaluated for impairment	[1]						5,131	4,760
Ending balance	[1]	5,275		5,267	5,628	5,628	5,275	5,267
Loan Balances [Abstract]
Ending balance individually evaluated for impairment	[1]						15,540	18,362
Ending balance collectively evaluated for impairment	[1]						442,210	430,046
Ending balance	[1]						457,750	448,408
Consumer [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				455	279	279
Charges-offs				(63)		(204)
Recoveries				11		28
Provision for loan losses				780		352
Ending balance		1,183		1,183		455
Ending balances individually evaluated for impairment							0	0
Ending balances collectively evaluated for impairment							1,183	455
Ending balance		1,183		455	279	455	1,183	455
Loan Balances [Abstract]
Ending balance individually evaluated for impairment							81	81
Ending balance collectively evaluated for impairment							126,051	58,826
Ending balance							126,132	58,907
Other [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				184	213	213
Charges-offs				(72)		(147)
Recoveries				29		40
Provision for loan losses				(1)		78
Ending balance		140		140		184
Ending balances individually evaluated for impairment							0	0
Ending balances collectively evaluated for impairment							140	184
Ending balance		$ 140		$ 184	$ 213	$ 184	140	184
Loan Balances [Abstract]
Ending balance individually evaluated for impairment							0	0
Ending balance collectively evaluated for impairment							12,554	19,017
Ending balance							$ 12,554	$ 19,017

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