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Regulatory Capital Matters (Actual And Required Capital Amounts And Ratios Of CFBank) (Details) $ in Thousands | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total Capital to risk weighted assets, Actual Amount | $ 193,294 | $ 170,392
Tier 1 (Core) Capital to risk weighted assets, Actual Amount | 176,828 | 155,195
Common equity tier 1 capital to risk-weighted assets, Actual Amount | 176,828 | 155,195
Tier 1 (Core) Capital to adjusted total assets (Leverage ratio), Actual Amount | $ 176,828 | $ 155,195
Total Capital to risk weighted assets, Actual Ratio | 0.1274 | 0.1402
Tier 1 (Core) Capital to risk weighted assets, Actual Ratio | 0.1165 | 0.1277
Common equity tier 1 capital to risk-weighted assets, Actual Ratio | 0.1165 | 0.1277
Tier 1 (Core) Capital to adjusted total assets, Actual Ratio | 0.0989 | 0.1129
Total Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | $ 151,775 | $ 121,512
Tier 1 (Core) Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | 121,420 | 97,210
Common equity tier 1 capital to risk-weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | 98,654 | 78,983
Tier 1 (Core) Capital to adjusted total assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | $ 89,377 | $ 68,730
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
Basel III Fully Phased-In [Member] |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total Capital to risk weighted assets, Minimum Capital Required-Basel III Fully Phased-In Amount | $ 159,364 | $ 127,588
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required-Basel III Fully Phased-In Amount | 129,009 | 103,286
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required-Basel III Fully Phased-In Amount | 106,243 | 85,059
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required-Basel III Fully Phased-In Amount | $ 71,502 | $ 54,984
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

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