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Regulatory Capital Matters (Actual And Required Capital Amounts And Ratios Of CFBank) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total Capital to risk weighted assets, Actual Amount | $ 69,066 | $ 48,271
Tier 1 (Core) Capital to risk weighted assets, Actual Amount | 62,085 | 43,179
Common equity tier 1 capital to risk-weighted assets, Actual Amount | 62,085 | 43,179
Tier 1 (Core) Capital to adjusted total assets, Actual Amount | $ 62,085 | $ 43,179
Total Capital to risk weighted assets, Actual Ratio | 12.37% | 11.91%
Tier 1 (Core) Capital to risk weighted assets, Actual Ratio | 11.12% | 10.65%
Common equity tier 1 capital to risk-weighted assets, Actual Ratio | 11.12% | 10.65%
Tier 1 (Core) Capital to adjusted total assets, Actual Ratio | 10.13% | 9.37%
Total Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | $ 55,834 | $ 40,532
Tier 1 (Core) Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | 44,668 | 32,426
Common equity tier 1 capital to risk-weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | 36,292 | 26,346
Tier 1 (Core) Capital to adjusted total assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount | $ 30,658 | $ 23,040
Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Ratio | 10.00% | 10.00%
Tier 1 (Core) Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Ratio | 8.00% | 8.00%
Common equity tier 1 capital to risk-weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Ratio | 6.50% | 6.50%
Tier 1 (Core) Capital to adjusted total assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Ratio | 5.00% | 5.00%
Basel III Phase-In Schedule [Member] |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total Capital to risk weighted assets, Minimum Capital Required Amount | $ 55,164 | $ 37,492
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required Amount | 43,998 | 29,386
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required Amount | 35,622 | 23,306
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required Amount | $ 24,526 | $ 18,432
Total Capital to risk weighted assets, Minimum Capital Required Ratio | 9.88% | 9.25%
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required Ratio | 7.88% | 7.25%
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required Ratio | 6.38% | 5.75%
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required Ratio | 4.00% | 4.00%
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 Amount | $ 58,626 | $ 42,559
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required Amount | 47,459 | 34,452
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required Amount | 39,084 | 28,372
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required Amount | $ 24,526 | $ 18,432
Total Capital to risk weighted assets, Minimum Capital Required Ratio | 10.50% | 10.50%
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required Ratio | 8.50% | 8.50%
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required Ratio | 7.00% | 7.00%
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required Ratio | 4.00% | 4.00%

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