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Regulatory Capital Matters (Actual And Required Capital Amounts And Ratios Of CFBank) (Details) $ in Thousands | Mar. 31, 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 | $ 220,286 | $ 215,164
Tier 1 (Core) Capital to risk weighted assets, Actual Amount | 200,847 | 196,977
Common equity tier 1 capital to risk-weighted assets, Actual Amount | 200,847 | 196,977
Tier 1 (Core) Capital to adjusted total assets (Leverage ratio), Actual Amount | $ 200,847 | $ 196,977
Total Capital to risk weighted assets, Actual Ratio | 0.1350 | 0.1330
Tier 1 (Core) Capital to risk weighted assets, Actual Ratio | 0.1231 | 0.1217
Common equity tier 1 capital to risk-weighted assets, Actual Ratio | 0.1231 | 0.1217
Tier 1 (Core) Capital to adjusted total assets, Actual Ratio | 0.1005 | 0.0976
Total Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | $ 163,177 | $ 161,818
Tier 1 (Core) Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | 130,541 | 129,455
Common equity tier 1 capital to risk-weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | 106,065 | 105,182
Tier 1 (Core) Capital to adjusted total assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | $ 99,920 | $ 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 | $ 171,336 | $ 169,909
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required-Basel III Amount | 138,700 | 137,546
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required-Basel III Amount | 114,224 | 113,273
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required-Basel III Amount | $ 79,936 | $ 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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