Loans and Allowance for Loan Losses (Schedule of Credit Risk Profile by Payment Performance) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Gross loans prior to deferred fees	$ 626,792	$ 596,310
Home Equity Loan [Member]
Gross loans prior to deferred fees	10,184	11,181
Home Equity Lines of Credit [Member]
Gross loans prior to deferred fees	62,936	61,104
1-4 Family Residential Mortgages [Member]
Gross loans prior to deferred fees	193,154	176,971
Consumer Portfolio Segment [Member]
Gross loans prior to deferred fees	10,215	5,320
Performing [Member]
Gross loans prior to deferred fees	276,140	254,136
Performing [Member] | Home Equity Loan [Member]
Gross loans prior to deferred fees	10,184	11,181
Performing [Member] | Home Equity Lines of Credit [Member]
Gross loans prior to deferred fees	62,769	61,074
Performing [Member] | 1-4 Family Residential Mortgages [Member]
Gross loans prior to deferred fees	192,321	176,576
Performing [Member] | Consumer Portfolio Segment [Member]
Gross loans prior to deferred fees	10,193	5,305
Nonperforming [Member]
Gross loans prior to deferred fees	1,022	440
Nonperforming [Member] | Home Equity Loan [Member]
Gross loans prior to deferred fees
Nonperforming [Member] | Home Equity Lines of Credit [Member]
Gross loans prior to deferred fees	167	30
Nonperforming [Member] | 1-4 Family Residential Mortgages [Member]
Gross loans prior to deferred fees	833	395
Nonperforming [Member] | Consumer Portfolio Segment [Member]
Gross loans prior to deferred fees	22	15
Consumer Borrower [Member]
Gross loans prior to deferred fees	$ 275,467	$ 254,576