Regulatory Capital Requirements (Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations ) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Actual Total capital (to risk-weighted assets) - Amount	$ 79,662	$ 77,220
Actual Tier 1 capital (to risk-weighted assets) - Amount	76,218	73,925
Actual CET 1 capital (to risk-weighted assets) - Amount	76,218	73,925
Actual Tier 1 Leverage (to adjusted total assets) - Amount	$ 76,218	$ 73,925
Actual Total capital (to risk-weighted assets) - Ratio	20.59%	21.75%
Actual Tier 1 capital (to risk-weighted assets) - Ratio	19.70%	20.82%
Actual CET 1 capital (to risk-weighted assets) - Ratio	19.70%	20.82%
Actual Tier 1 Leverage (to adjusted total assets) - Ratio	13.99%	14.40%
Total capital (to risk-weighted assets) actual capital conservation buffer, ratio	12.592%	13.75%
Total capital (to risk-weighted assets) required capital conservation buffer, ratio	1.875%	1.25%
Tier 1 capital (to risk-weighted assets) actual capital conservation buffer, ratio	13.702%	14.822%
Tier 1 capital (to risk-weighted assets) required capital conservation buffer, ratio	1.875%	1.25%
CET 1 capital (to risk-weighted assets) actual capital conservation buffer, ratio	15.202%	16.322%
CET 1 capital (to risk-weighted assets) required capital conservation buffer, ratio	1.875%	1.25%
Tier 1 Leverage (to adjusted total assets) actual capital conservation buffer, ratio	9.994%	10.398%
Tier 1 Leverage (to adjusted total assets) required capital conservation buffer, ratio	1.875%	1.25%
Minimum [Member]
Total capital (to risk-weighted assets) - For Capital Adequacy Purposes - Amount	$ 30,948	$ 28,403
Tier 1 capital (to risk-weighted assets) - For Capital Adequacy Purposes - Amount	23,211	21,302
CET 1 capital (to risk-weighted assets) - For Capital Adequacy Purposes - Amount	17,408	15,977
Tier 1 Leverage (to adjusted total assets) - For Capital Adequacy Purposes - Amount	$ 21,785	$ 20,537
Total capital (to risk-weighted assets) - For Capital Adequacy Purposes - Ratio	8.00%	8.00%
Tier 1 capital (to risk-weighted assets) - For Capital Adequacy Purposes - Ratio	6.00%	6.00%
CET 1 capital (to risk-weighted assets) - For Capital Adequacy Purposes - Ratio	4.50%	4.50%
Tier 1 capital (to adjusted total assets) - For Capital Adequacy Purpose - Ratio	4.00%	4.00%
Total capital (to risk-weighted assets) - To be Well Capitalized under Prompt Corrective Action Provisions - Amount	$ 38,685	$ 35,503
Tier 1 capital (to risk-weighted assets) - To be Well Capitalized under Prompt Corrective Action Provisions - Amount	30,948	28,403
CET 1 capital (to risk-weighted assets) - To be Well Capitalized under Prompt Corrective Action Provisions - Amount	25,145	23,077
Tier 1 Leverage (to adjusted total assets) - To be Well Capitalized under Prompt Corrective Action Provisions - Amount	$ 27,232	$ 25,671
Total capital (to risk-weighted assets) - To be Well Capitalized under Prompt Corrective Action Provisions - Ratio	10.00%	10.00%
Tier 1 capital (to risk-weighted assets) - To be Well Capitalized under Prompt Corrective Action Provisions - Ratio	8.00%	8.00%
CET 1 capital (to risk-weighted assets) - To be Well Capitalized under Prompt Corrective Action Provisions - Ratio	6.50%	6.50%
Tier 1 Leverage (to adjusted total assets) - To be Well Capitalized under Prompt Corrective Action Provisions - Ratio	5.00%	5.00%