v3.26.3
Regulatory Capital Matters (Actual And Required Capital Amounts And Ratios Of CFBank) (Details)
$ in Thousands
Sep. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Total Capital to risk weighted assets, Actual Amount $ 275,406 $ 260,801
Tier 1 (Core) Capital to risk weighted assets, Actual Amount 253,795 240,413
Common equity tier 1 capital to risk-weighted assets, Actual Amount 253,795 240,413
Tier 1 (Core) Capital to adjusted total assets (Leverage Ratio), Actual Amount $ 253,795 $ 240,413
Total Capital to risk weighted assets, Actual Ratio 0.1469 0.1502
Tier 1 (Core) Capital to risk weighted assets, Actual Ratio 0.1354 0.1385
Common equity tier 1 capital to risk-weighted assets, Actual Ratio 0.1354 0.1385
Tier 1 (Core) Capital to adjusted total assets, Actual Ratio 0.1199 0.114
Total Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount $ 187,459 $ 173,628
Tier 1 (Core) Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount 149,967 138,902
Common equity tier 1 capital to risk-weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount 121,848 112,858
Tier 1 (Core) Capital to adjusted total assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount $ 105,836 $ 105,489
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 $ 196,832 $ 182,309
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required-Basel III Amount 159,340 147,583
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required-Basel III Amount 131,221 121,539
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required-Basel III Amount $ 84,669 $ 84,391
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