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Regulatory Matters - Schedule of Actual and Required Capital Amounts and Ratios - Basel III and Dodd Frank Rules (Details) - Corrective Action Rules - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
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Basel III and Dodd Frank Rules |  |
Tier 1 Leverage required to be Well Capitalized | $ 20,672 | $ 20,997
Tier 1 Leverage required to be Well Capitalized (as a percent) | 5.00% | 5.00%
Common Equity Tier I required to be Well Capitalized | $ 17,518 | $ 16,693
Common Equity Tier I required to be Well Capitalized (as a percent) | 6.50% | 6.50%
Tier I Capital required to be Well Capitalized | $ 21,561 | $ 20,545
Tier I Capital required to be Well Capitalized (as a percent) | 8.00% | 8.00%
Total Capital required to be Well Capitalized | $ 26,951 | $ 25,681
Total Capital required to be Well Capitalized (as a percent) | 10.00% | 10.00%

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- Definition The common equity Tier 1 capital ratio (common equity Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition The minimum amount of Common Equity Tier 1 Risk Based Capital required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826 + Details
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- Definition The Total risk based capital ratio (total capital divided by risk weighted assets) required to be categorized as "well capitalized", in the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826 + Details
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- Definition The amount of Tier 1 Leverage Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826 + Details
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