Loans and the Allowance for Loan Losses, Credit Quality (Details) - USD ($) $ in Thousands		Jun. 30, 2018		Dec. 31, 2017
Receivables [Abstract]
Gross loan receivables	[1]	$ 776,217		$ 738,540
Pass [Member]
Receivables [Abstract]
Gross loan receivables		743,835		706,579
OAEM [Member]
Receivables [Abstract]
Gross loan receivables		8,565		12,500
Substandard [Member]
Receivables [Abstract]
Gross loan receivables		23,817		19,461
Doubtful [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Mortgage Loans on Real Estate [Member]
Receivables [Abstract]
Gross loan receivables		521,388		492,720
Mortgage Loans on Real Estate [Member] | Pass [Member]
Receivables [Abstract]
Gross loan receivables		491,816		463,154
Mortgage Loans on Real Estate [Member] | OAEM [Member]
Receivables [Abstract]
Gross loan receivables		6,633		11,031
Mortgage Loans on Real Estate [Member] | Substandard [Member]
Receivables [Abstract]
Gross loan receivables		22,939		18,535
Mortgage Loans on Real Estate [Member] | Doubtful [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Mortgage Loans on Real Estate [Member] | Residential 1-4 Family [Member]
Receivables [Abstract]
Gross loan receivables		109,961		101,021
Mortgage Loans on Real Estate [Member] | Residential 1-4 Family [Member] | Pass [Member]
Receivables [Abstract]
Gross loan receivables		107,835		98,656
Mortgage Loans on Real Estate [Member] | Residential 1-4 Family [Member] | OAEM [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Mortgage Loans on Real Estate [Member] | Residential 1-4 Family [Member] | Substandard [Member]
Receivables [Abstract]
Gross loan receivables		2,126		2,365
Mortgage Loans on Real Estate [Member] | Residential 1-4 Family [Member] | Doubtful [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Mortgage Loans on Real Estate [Member] | Commercial [Member]
Receivables [Abstract]
Gross loan receivables		301,241		289,682
Mortgage Loans on Real Estate [Member] | Commercial [Member] | Pass [Member]
Receivables [Abstract]
Gross loan receivables		275,700		264,275
Mortgage Loans on Real Estate [Member] | Commercial [Member] | OAEM [Member]
Receivables [Abstract]
Gross loan receivables		6,147		10,526
Mortgage Loans on Real Estate [Member] | Commercial [Member] | Substandard [Member]
Receivables [Abstract]
Gross loan receivables		19,394		14,881
Mortgage Loans on Real Estate [Member] | Commercial [Member] | Doubtful [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Mortgage Loans on Real Estate [Member] | Construction [Member]
Receivables [Abstract]
Gross loan receivables		36,929		27,489
Mortgage Loans on Real Estate [Member] | Construction [Member] | Pass [Member]
Receivables [Abstract]
Gross loan receivables		36,135		26,694
Mortgage Loans on Real Estate [Member] | Construction [Member] | OAEM [Member]
Receivables [Abstract]
Gross loan receivables		73		74
Mortgage Loans on Real Estate [Member] | Construction [Member] | Substandard [Member]
Receivables [Abstract]
Gross loan receivables		721		721
Mortgage Loans on Real Estate [Member] | Construction [Member] | Doubtful [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Mortgage Loans on Real Estate [Member] | Second Mortgages [Member]
Receivables [Abstract]
Gross loan receivables		18,007		17,918
Mortgage Loans on Real Estate [Member] | Second Mortgages [Member] | Pass [Member]
Receivables [Abstract]
Gross loan receivables		17,250		17,211
Mortgage Loans on Real Estate [Member] | Second Mortgages [Member] | OAEM [Member]
Receivables [Abstract]
Gross loan receivables		413		431
Mortgage Loans on Real Estate [Member] | Second Mortgages [Member] | Substandard [Member]
Receivables [Abstract]
Gross loan receivables		344		276
Mortgage Loans on Real Estate [Member] | Second Mortgages [Member] | Doubtful [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Mortgage Loans on Real Estate [Member] | Equity Line of Credit [Member]
Receivables [Abstract]
Gross loan receivables		55,250		56,610
Mortgage Loans on Real Estate [Member] | Equity Line of Credit [Member] | Pass [Member]
Receivables [Abstract]
Gross loan receivables		54,896		56,318
Mortgage Loans on Real Estate [Member] | Equity Line of Credit [Member] | OAEM [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Mortgage Loans on Real Estate [Member] | Equity Line of Credit [Member] | Substandard [Member]
Receivables [Abstract]
Gross loan receivables		354		292
Mortgage Loans on Real Estate [Member] | Equity Line of Credit [Member] | Doubtful [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Commercial [Member]
Receivables [Abstract]
Gross loan receivables		64,701		60,398
Commercial [Member] | Commercial and Industrial Loans [Member]
Receivables [Abstract]
Gross loan receivables		64,701		60,398
Commercial [Member] | Commercial and Industrial Loans [Member] | Pass [Member]
Receivables [Abstract]
Gross loan receivables		62,297		58,091
Commercial [Member] | Commercial and Industrial Loans [Member] | OAEM [Member]
Receivables [Abstract]
Gross loan receivables		1,932		1,469
Commercial [Member] | Commercial and Industrial Loans [Member] | Substandard [Member]
Receivables [Abstract]
Gross loan receivables		472		838
Commercial [Member] | Commercial and Industrial Loans [Member] | Doubtful [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Consumer [Member]
Receivables [Abstract]
Gross loan receivables		177,975	[2]	174,225
Consumer [Member] | Consumer Automobile Loans [Member]
Receivables [Abstract]
Gross loan receivables		125,866		119,251
Consumer [Member] | Consumer Automobile Loans [Member] | Pass [Member]
Receivables [Abstract]
Gross loan receivables		125,506		119,211
Consumer [Member] | Consumer Automobile Loans [Member] | OAEM [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Consumer [Member] | Consumer Automobile Loans [Member] | Substandard [Member]
Receivables [Abstract]
Gross loan receivables		360		40
Consumer [Member] | Consumer Automobile Loans [Member] | Doubtful [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Consumer [Member] | Other Consumer Loans [Member]
Receivables [Abstract]
Gross loan receivables		52,109		54,974
Consumer [Member] | Other Consumer Loans [Member] | Pass [Member]
Receivables [Abstract]
Gross loan receivables		52,063		54,926
Consumer [Member] | Other Consumer Loans [Member] | OAEM [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Consumer [Member] | Other Consumer Loans [Member] | Substandard [Member]
Receivables [Abstract]
Gross loan receivables		46		48
Consumer [Member] | Other Consumer Loans [Member] | Doubtful [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Other [Member]
Receivables [Abstract]
Gross loan receivables		12,153		11,197
Other [Member] | Pass [Member]
Receivables [Abstract]
Gross loan receivables		12,153		11,197
Other [Member] | OAEM [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Other [Member] | Substandard [Member]
Receivables [Abstract]
Gross loan receivables		0		0
Other [Member] | Doubtful [Member]
Receivables [Abstract]
Gross loan receivables		$ 0		$ 0

[1] Net deferred loan fees totaled $925 thousand and $916 thousand at June 30, 2018 and December 31, 2017, respectively.

[2] The consumer segment includes consumer automobile loans.