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Regulatory Capital Matters (Actual And Required Capital Amounts And Ratios Of CFBank) (Details) $ in Thousands | Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($)
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Regulatory Capital Matters [Abstract] |  |
Total Capital to risk weighted assets, Actual Amount | $ 159,701 | $ 136,683
Tier 1 (Core) Capital to risk weighted assets, Actual Amount | 145,522 | 124,678
Common equity tier 1 capital to risk-weighted assets, Actual Amount | 145,522 | 124,678
Tier 1 (Core) Capital to adjusted total assets (Leverage ratio), Actual Amount | $ 145,522 | $ 124,678
Total Capital to risk weighted assets, Actual Ratio | 0.1410 | 0.1431
Tier 1 (Core) Capital to risk weighted assets, Actual Ratio | 0.1285 | 0.1305
Common equity tier 1 capital to risk-weighted assets, Actual Ratio | 0.1285 | 0.1305
Tier 1 (Core) Capital to adjusted total assets, Actual Ratio | 0.0972 | 0.0974
Total Capital to risk weighted assets, Minimum Capital Required-Basel III Fully Phased-In Amount | $ 118,944 | $ 100,298
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required-Basel III Fully Phased-In Amount | 96,288 | 81,194
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required-Basel III Fully Phased-In Amount | 79,296 | 66,866
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required-Basel III Fully Phased-In Amount | $ 59,915 | $ 51,187
Total Capital to risk weighted assets, Minimum Capital Required-Basel III Fully Phased-In Ratio | 0.1050 | 0.1050
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required-Basel III Fully Phased-In Ratio | 0.0850 | 0.0850
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required-Basel III Fully Phased-In Ratio | 0.0700 | 0.0700
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required-Basel III Fully Phased-In Ratio | 0.0400 | 0.0400
Total Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | $ 113,280 | $ 95,522
Tier 1 (Core) Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | 90,624 | 76,418
Common equity tier 1 capital to risk-weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | 73,632 | 62,089
Tier 1 (Core) Capital to adjusted total assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | $ 74,894 | $ 63,984
Total Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Ratio | 0.1000 | 0.1000
Tier 1 (Core) Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Ratio | 0.0800 | 0.0800
Common equity tier 1 capital to risk-weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Ratio | 0.0650 | 0.0650
Tier 1 (Core) Capital to adjusted total assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Ratio | 0.0500 | 0.0500

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