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Regulatory Capital Requirements - Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Regulatory Capital Requirements [Line Items] |  |  |
Leverage - For capital adequacy purposes Ratio |  | 4.00% |
Common Equity Tier 1 Capital - For capital adequacy purposes Ratio |  | 4.50% |
Tier 1 Capital - For capital adequacy purposes Ratio |  | 6.00% |
Total Risk Based Capital - For capital adequacy purposes Ratio |  | 8.00% |
Banks Regulatory Capital Requirements [Member] |  |  |
Regulatory Capital Requirements [Line Items] |  |  |
Leverage - Actual Amount |  | $ 97,112 | $ 86,808
Common Equity Tier 1 Capital - Actual Amount |  | 97,112 | 86,808
Tier 1 Capital - Actual Amount |  | 97,112 | 86,808
Total Risk Based Capital - Actual Amount |  | $ 103,017 | $ 92,407
Leverage - Actual Ratio |  | 10.15% | 9.62%
Common Equity Tier 1 Capital - Actual Ratio |  | 16.33% | 16.35%
Tier 1 Capital - Actual Ratio |  | 16.33% | 16.35%
Total Risk Based Capital - Actual Ratio |  | 17.32% | 17.40%
Leverage - For capital adequacy purposes Amount |  | $ 38,254 | $ 36,097
Common Equity Tier 1 Capital - For capital adequacy purposes Amount |  | 37,922 | 30,529
Tier 1 Capital - For capital adequacy purposes Amount |  | 46,844 | 38,493
Total Risk Based Capital - For capital adequacy purposes Amount |  | $ 58,741 | $ 49,112
Leverage - For capital adequacy purposes Ratio | [1] | 4.00% | 4.00%
Common Equity Tier 1 Capital - For capital adequacy purposes Ratio | [1] | 6.40% | 5.80%
Tier 1 Capital - For capital adequacy purposes Ratio | [1] | 7.90% | 7.30%
Total Risk Based Capital - For capital adequacy purposes Ratio | [1] | 9.90% | 9.30%
Leverage - To be well-capitalized under prompt corrective action provisions Amount |  | $ 47,818 | $ 45,122
Common Equity Tier 1 Capital - To be well-capitalized under prompt corrective action provisions Amount |  | 38,665 | 34,511
Tier 1 Capital - To be well-capitalized under prompt corrective action provisions Amount |  | 47,588 | 42,475
Total Risk Based Capital - To be well-capitalized under prompt corrective action provisions Amount |  | $ 59,485 | $ 53,094
Leverage - To be well-capitalized under prompt corrective action provisions Ratio |  | 5.00% | 5.00%
Common Equity Tier 1 Capital - To be well-capitalized under prompt corrective action provisions Ratio |  | 6.50% | 6.50%
Tier 1 Capital - To be well-capitalized under prompt corrective action provisions Ratio |  | 8.00% | 8.00%
Total Risk Based Capital - To be well-capitalized under prompt corrective action provisions Ratio |  | 10.00% | 10.00%
[1] | The required percent for capital adequacy purposes includes a capital conservation buffer of 1.875% for December 31, 2018 and 1.25% for December 31, 2017.

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