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Regulatory Capital Matters (Actual And Required Capital Amounts And Ratios Of CFBank) (Details) $ in Thousands | Sep. 30, 2024 USD ($) | Dec. 31, 2023 USD ($)
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total Capital to risk weighted assets, Actual Amount | $ 224,742 | $ 215,164
Tier 1 (Core) Capital to risk weighted assets, Actual Amount | 206,582 | 196,977
Common equity tier 1 capital to risk-weighted assets, Actual Amount | 206,582 | 196,977
Tier 1 (Core) Capital to adjusted total assets (Leverage Ratio), Actual Amount | $ 206,582 | $ 196,977
Total Capital to risk weighted assets, Actual Ratio | 0.1343 | 0.1330
Tier 1 (Core) Capital to risk weighted assets, Actual Ratio | 0.1235 | 0.1217
Common equity tier 1 capital to risk-weighted assets, Actual Ratio | 0.1235 | 0.1217
Tier 1 (Core) Capital to adjusted total assets, Actual Ratio | 0.1036 | 0.0976
Total Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | $ 167,310 | $ 161,818
Tier 1 (Core) Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | 133,848 | 129,455
Common equity tier 1 capital to risk-weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | 108,751 | 105,182
Tier 1 (Core) Capital to adjusted total assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | $ 99,743 | $ 100,908
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 Amount | $ 175,675 | $ 169,909
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required-Basel III Amount | 142,213 | 137,546
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required-Basel III Amount | 117,117 | 113,273
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required-Basel III Amount | $ 79,795 | $ 80,727
Total Capital to risk weighted assets, Minimum Capital Required-Basel III Ratio | 0.1050 | 0.1050
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required-Basel III Ratio | 0.0850 | 0.0850
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required-Basel III Ratio | 0.0700 | 0.0700
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required-Basel III Ratio | 0.0400 | 0.0400

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