Regulatory Matters (Schedule of Bank's actual and required capital amounts and ratios) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Banking and Thrift [Abstract]
Total Core Capital (to Risk-Weighted Assets) Actual Amount	$ 19,829	$ 19,095
Total Core Capital (to Risk-Weighted Assets) Actual Ratio	25.08%	26.06%
Total Core Capital (to Risk-Weighted Assets) For Capital Adequacy Purposes Amount	$ 6,325	$ 5,862
Total Core Capital (to Risk-Weighted Assets) For Capital Adequacy Purposes Ratio	8.00%	8.00%
Total Core Capital (to Risk-Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 7,906	$ 7,327
Total Core Capital (to Risk-Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	10.00%	10.00%
Tier I Capital (to Risk-Weighted Assets) Actual Amount	$ 19,060	$ 18,327
Tier I Capital (to Risk-Weighted Assets) Actual Ratio	24.11%	25.01%
Tier I Capital (to Risk-Weighted Assets) For Capital Adequacy Purposes Amount	$ 4,744	$ 4,396
Tier I Capital (to Risk-Weighted Assets) For Capital Adequacy Purposes Ratio	6.00%	6.00%
Tier I Capital (to Risk-Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 6,325	$ 5,862
Tier I Capital (to Risk-Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	8.00%	8.00%
Common Equity Tier 1 (to Risk-Weighted Assets) Actual Amount	$ 19,060	$ 18,327
Common Equity Tier 1 (to Risk-Weighted Assets) Actual Ratio	24.11%	25.01%
Common Equity Tier 1 (to Risk-Weighted Assets) For Capital Adequacy Purposes Amount	$ 3,558	$ 3,297
Common Equity Tier 1 (to Risk-Weighted Assets) For Capital Adequacy Purposes Ratio	4.50%	4.50%
Common Equity Tier 1 (to Risk-Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 5,139	$ 4,763
Common Equity Tier 1 (to Risk-Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	6.50%	6.50%
Tier I Leverage Capital (to Adjusted Total Assets) Actual Amount	$ 19,060	$ 18,327
Tier I Leverage Capital (to Adjusted Total Assets) Actual Ratio	14.64%	15.60%
Tier I Leverage Capital (to Adjusted Total Assets) For Capital Adequacy Purposes Amount	$ 5,209	$ 4,699
Tier I Leverage Capital (to Adjusted Total Assets) For Capital Adequacy Purposes Ratio	4.00%	4.00%
Tier I Leverage Capital (to Adjusted Total Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 6,512	$ 5,874
Tier I Leverage Capital (to Adjusted Total Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	5.00%	5.00%

Common equity tier one capital required for capital adequacy ratio.

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The amount of total capital as defined in the regulations.

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The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action.

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Total Capital divided by risk weighted assets as defined in the regulations.

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Amount of Common Equity Tier One Risk-based Capital, as defined by regulatory framework.

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Percentage of Common Equity Tier One Risk-based Capital to total risk-weighted assets, as defined by regulatory framework.

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Tier 1 Leverage Capital as defined in the regulations. Also called Core Capital.

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The amount of Tier 1 Leverage Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action.

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Tier 1 Leverage Capital divided by average assets as defined in the regulations.

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Tier 1 Risk Based Capital as defined in the regulations.

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Tier 1 capital divided by risk weighted assets as defined by regulations.

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