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Regulatory Capital Matters (Actual And Required Capital Amounts And Ratios Of CFBank) (Details)
$ in Thousands
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Total Capital to risk weighted assets, Actual Amount $ 236,087 $ 230,120
Tier 1 (Core) Capital to risk weighted assets, Actual Amount 216,083 210,675
Common equity tier 1 capital to risk-weighted assets, Actual Amount 216,083 210,675
Tier 1 (Core) Capital to adjusted total assets (Leverage Ratio), Actual Amount $ 216,083 $ 210,675
Total Capital to risk weighted assets, Actual Ratio 0.1376 0.136
Tier 1 (Core) Capital to risk weighted assets, Actual Ratio 0.1259 0.1245
Common equity tier 1 capital to risk-weighted assets, Actual Ratio 0.1259 0.1245
Tier 1 (Core) Capital to adjusted total assets, Actual Ratio 0.1055 0.1033
Total Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount $ 171,576 $ 169,177
Tier 1 (Core) Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount 137,261 135,342
Common equity tier 1 capital to risk-weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount 111,524 109,965
Tier 1 (Core) Capital to adjusted total assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount $ 102,368 $ 102,018
Total Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Ratio 0.10 0.10
Tier 1 (Core) Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Ratio 0.08 0.08
Common equity tier 1 capital to risk-weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Ratio 0.065 0.065
Tier 1 (Core) Capital to adjusted total assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Ratio 0.05 0.05
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 $ 180,155 $ 177,636
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required-Basel III Amount 145,840 143,801
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required-Basel III Amount 120,103 118,424
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required-Basel III Amount $ 81,895 $ 81,614
Total Capital to risk weighted assets, Minimum Capital Required-Basel III Ratio 0.105 0.105
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required-Basel III Ratio 0.085 0.085
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required-Basel III Ratio 0.07 0.07
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required-Basel III Ratio 0.04 0.04