Regulatory Matters (Schedule of Regulatory Capital Requirements) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Tier 1 capital to average assets
Tier 1 Capital	$ 39,967	$ 38,133
Tier 1 Capital (to average assets) ratio	9.00%	8.50%
Minimum amount of Tier 1 Capital for adequacy purposes	$ 17,740	$ 17,850
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	4.00%	4.00%
Minimum Tier 1 Capital required to be well-capitalized	$ 22,174	$ 22,313
Minimum Tier 1 Capital required to be well-capitalized, ratio	5.00%	5.00%
Tier 1 common equity capital to risk-weighted assets
Tier 1 Common equity capital	$ 39,967	$ 38,133
Tier 1 Common equity capital ratio	12.90%	13.00%
Minimum amount of Tier 1 Common equity capital for adequacy purposes	$ 13,918	$ 13,159
Minimum amount of Tier 1 Common equity capital for adequacy purposes ratio	4.50%	4.50%
Minimum amount of Tier 1 Common equity capital to be well-capitalized	$ 20,104	$ 19,007
Minimum amount of Tier 1 Common equity capital to be well-capitalized ratio	6.50%	6.50%
Tier 1 capital to risk-weighted assets
Tier 1 Capital	$ 39,967	$ 38,133
Tier 1 Capital (to risk-weighted assets) ratio	12.90%	13.00%
Minimum amount of Tier 1 Capital for adequacy purposes	$ 18,558	$ 17,545
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	6.00%	6.00%
Minimum Tier 1 Capital required to be well-capitalized	$ 24,744	$ 23,393
Minimum Tier 1 Capital required to be well-capitalized, ratio	8.00%	8.00%
Total risk-based capital to risk-weighted assets
Total Capital	$ 43,221	$ 41,176
Total Capital (to risk-weighted assets) ratio	14.00%	14.10%
Minimum amount of capital for adequacy purposes	$ 24,744	$ 23,393
Minimum amount of capital for adequacy purposes, ratio	8.00%	8.00%
Minimum Capital required to be well-capitalized	$ 30,929	$ 29,241
Minimum Capital required to be well-capitalized, ratio	10.00%	10.00%