Loans and the Allowance for Loan Losses, Past Due (Details) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Loans, Aging [Abstract]
Ending balance		$ 700,996		$ 603,882
Recorded Investment > 90 Days Past Due and Accruing		3,983		2,884
Financing Receivable, Recorded Investment, Current	[1]	687,186		592,229
Financing Receivable, Recorded Investment, Past Due		13,810		11,653
Loans in nonaccrual status by class of loan [Abstract]
Loans in nonaccrual status		10,212		7,159
Interest income that would have been recorded under original loan terms [Abstract]
Interest income that would have been recorded under original loan terms		311	$ 232
Actual interest income recorded for the period		179	182
Reduction in interest income on non accrual loans		132	$ 50
Financing Receivables, 30 to 59 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		4,121		5,322
Financing Receivables, 60 to 89 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		1,775		2,559
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		7,914		3,772
Total Mortgage Loans on Real Estate [Member]
Loans, Aging [Abstract]
Ending balance		477,675		471,524
Recorded Investment > 90 Days Past Due and Accruing		1,026		276
Financing Receivable, Recorded Investment, Current	[1]	471,117		465,293
Financing Receivable, Recorded Investment, Past Due		6,558		6,231
Loans in nonaccrual status by class of loan [Abstract]
Loans in nonaccrual status		9,441		6,847
Total Mortgage Loans on Real Estate [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		1,370		3,400
Total Mortgage Loans on Real Estate [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		984		1,834
Total Mortgage Loans on Real Estate [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		4,204		997
Residential 1-4 Family [Member]
Loans, Aging [Abstract]
Ending balance		100,746		94,827
Recorded Investment > 90 Days Past Due and Accruing		52		218
Financing Receivable, Recorded Investment, Current	[1]	99,256		93,767
Financing Receivable, Recorded Investment, Past Due		1,490		1,060
Loans in nonaccrual status by class of loan [Abstract]
Loans in nonaccrual status		568		598
Residential 1-4 Family [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		869		564
Residential 1-4 Family [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		0		0
Residential 1-4 Family [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		621		496
Commercial [Member]
Loans, Aging [Abstract]
Ending balance		281,628		285,429
Recorded Investment > 90 Days Past Due and Accruing		974		0
Financing Receivable, Recorded Investment, Current	[1]	276,945		281,297
Financing Receivable, Recorded Investment, Past Due		4,683		4,132
Loans in nonaccrual status by class of loan [Abstract]
Loans in nonaccrual status		8,012		6,033
Commercial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		169		2,280
Commercial [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		984		1,625
Commercial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		3,530		227
Construction [Member]
Loans, Aging [Abstract]
Ending balance		23,715		23,116
Recorded Investment > 90 Days Past Due and Accruing		0		0
Financing Receivable, Recorded Investment, Current	[1]	23,511		22,954
Financing Receivable, Recorded Investment, Past Due		204		162
Loans in nonaccrual status by class of loan [Abstract]
Loans in nonaccrual status		518		0
Construction [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		204		162
Construction [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		0		0
Construction [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		0		0
Second Mortgages [Member]
Loans, Aging [Abstract]
Ending balance		17,557		17,128
Recorded Investment > 90 Days Past Due and Accruing		0		58
Financing Receivable, Recorded Investment, Current	[1]	17,478		16,740
Financing Receivable, Recorded Investment, Past Due		79		388
Loans in nonaccrual status by class of loan [Abstract]
Loans in nonaccrual status		0		129
Second Mortgages [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		79		0
Second Mortgages [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		0		200
Second Mortgages [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		0		188
Equity Line of Credit [Member]
Loans, Aging [Abstract]
Ending balance		54,029		51,024
Recorded Investment > 90 Days Past Due and Accruing		0		0
Financing Receivable, Recorded Investment, Current	[1]	53,927		50,535
Financing Receivable, Recorded Investment, Past Due		102		489
Loans in nonaccrual status by class of loan [Abstract]
Loans in nonaccrual status		343		87
Equity Line of Credit [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		49		394
Equity Line of Credit [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		0		9
Equity Line of Credit [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		53		86
Commercial Loans [Member]
Loans, Aging [Abstract]
Ending balance		60,003		54,434
Recorded Investment > 90 Days Past Due and Accruing		473		0
Financing Receivable, Recorded Investment, Current	[1]	57,770		54,343
Financing Receivable, Recorded Investment, Past Due		2,233		91
Loans in nonaccrual status by class of loan [Abstract]
Loans in nonaccrual status		771		231
Commercial Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		853		5
Commercial Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		154		0
Commercial Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		1,226		86
Automobile Loan [Member]
Loans, Aging [Abstract]
Ending balance		94,041		10,407
Recorded Investment > 90 Days Past Due and Accruing		16		0
Financing Receivable, Recorded Investment, Current	[1]	93,715		10,396
Financing Receivable, Recorded Investment, Past Due		326		11
Automobile Loan [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		266		0
Automobile Loan [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		44		11
Automobile Loan [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		16		0
Consumer Loans [Member]
Loans, Aging [Abstract]
Ending balance		56,386		48,500
Recorded Investment > 90 Days Past Due and Accruing		2,466		2,603
Financing Receivable, Recorded Investment, Current	[1]	51,794		43,238
Financing Receivable, Recorded Investment, Past Due		4,592		5,262
Loans in nonaccrual status by class of loan [Abstract]
Loans in nonaccrual status		0		81
Consumer Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		1,541		1,876
Consumer Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		585		702
Consumer Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		2,466		2,684
Other [Member]
Loans, Aging [Abstract]
Ending balance		12,891		19,017
Recorded Investment > 90 Days Past Due and Accruing		2		5
Financing Receivable, Recorded Investment, Current	[1]	12,790		18,959
Financing Receivable, Recorded Investment, Past Due		101		58
Other [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		91		41
Other [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		8		12
Other [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		2		5
Guaranteed Student Loans [Member]
Loans, Aging [Abstract]
Financing Receivable, Recorded Investment, Past Due		$ 4,091		$ 4,840

[1] For purposes of this table, Total Current Loans includes loans that are 1 - 29 days past due.