Regulatory Matters (Schedule of Regulatory Capital Requirements) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Jan. 31, 2016	Dec. 31, 2015
Tier 1 Leverage Capital (to average assets)
Tier 1 Capital	$ 38,133		$ 37,524
Tier 1 Capital (to average assets) ratio	8.50%		8.80%
Minimum amount of Tier 1 Capital for adequacy purposes	$ 17,850		$ 17,092
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	4.00%		4.00%
Minimum Tier 1 Capital required to be well-capitalized	$ 22,313		$ 21,365
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	$ 38,133		$ 37,524
Tier 1 Common equity capital ratio	13.00%		13.40%
Minimum amount of Tier 1 Common equity capital for adequacy purposes	$ 13,159		$ 12,645
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	$ 19,007		$ 18,265
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	$ 38,133		$ 37,524
Tier 1 Capital (to risk-weighted assets) ratio	13.00%		13.40%
Minimum amount of Tier 1 Capital for adequacy purposes	$ 17,545		$ 16,860
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	6.00%		6.00%
Minimum Tier 1 Capital required to be well-capitalized	$ 23,393		$ 22,480
Minimum Tier 1 Capital required to be well-capitalized, ratio	8.00%		8.00%
Total Capital
Total Capital	$ 41,176		$ 40,361
Total Capital (to risk-weighted assets) ratio	14.10%		14.40%
Minimum amount of capital for adequacy purposes	$ 23,393		$ 22,480
Minimum amount of capital for adequacy purposes, ratio	8.00%		8.00%
Minimum Capital required to be well-capitalized	$ 29,241		$ 28,099
Minimum Capital required to be well-capitalized, ratio	10.00%		10.00%
Tier 1 and total capital ratios risk-weighted assets		0.625%
Lower Range [Member]
Total Capital
Tier 1 and total capital ratios risk-weighted assets		2.50%