Loans and the Allowance for Loan Losses (Details) - USD ($) $ in Thousands		Jun. 30, 2018		Dec. 31, 2017
Allowance for Doubtful Accounts Receivable [Roll Forward]
Total loans, net of deferred fees	[1]	$ 776,217		$ 738,540
Less: Allowance for loan losses		(9,873)		(9,448)
Loans, net of allowance and deferred fees and costs	[1]	766,344		729,092
Net deferred loan fees		925		916
Overdrawn deposit accounts		613		594
Mortgage Loans on Real Estate [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Total loans, net of deferred fees		521,388		492,720
Mortgage Loans on Real Estate [Member] | Residential 1-4 Family [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Total loans, net of deferred fees		109,961		101,021
Mortgage Loans on Real Estate [Member] | Commercial [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Total loans, net of deferred fees		301,241		289,682
Mortgage Loans on Real Estate [Member] | Construction [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Total loans, net of deferred fees		36,929		27,489
Mortgage Loans on Real Estate [Member] | Second Mortgages [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Total loans, net of deferred fees		18,007		17,918
Mortgage Loans on Real Estate [Member] | Equity Line of Credit [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Total loans, net of deferred fees		55,250		56,610
Commercial [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Total loans, net of deferred fees		64,701		60,398
Commercial [Member] | Commercial and Industrial Loans [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Total loans, net of deferred fees		64,701		60,398
Consumer [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Total loans, net of deferred fees		177,975	[2]	174,225
Consumer [Member] | Consumer Automobile Loans [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Total loans, net of deferred fees		125,866		119,251
Consumer [Member] | Other Consumer Loans [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Total loans, net of deferred fees		52,109		54,974
Other [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Total loans, net of deferred fees		$ 12,153		$ 11,197

[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.