Regulatory Capital Matters (Actual And Required Capital Amounts And Ratios Of CFBank) (Details) $ in Thousands	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital to risk weighted assets, Actual Amount	$ 253,674	$ 230,120
Tier 1 (Core) Capital to risk weighted assets, Actual Amount	232,294	210,675
Common equity tier 1 capital to risk-weighted assets, Actual Amount	232,294	210,675
Tier 1 (Core) Capital to adjusted total assets (Leverage Ratio), Actual Amount	$ 232,294	$ 210,675
Total Capital to risk weighted assets, Actual Ratio	0.1469	0.136
Tier 1 (Core) Capital to risk weighted assets, Actual Ratio	0.1345	0.1245
Common equity tier 1 capital to risk-weighted assets, Actual Ratio	0.1345	0.1245
Tier 1 (Core) Capital to adjusted total assets, Actual Ratio	0.112	0.1033
Total Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount	$ 172,723	$ 169,177
Tier 1 (Core) Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount	138,178	135,342
Common equity tier 1 capital to risk-weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount	112,270	109,965
Tier 1 (Core) Capital to adjusted total assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount	$ 103,707	$ 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	$ 181,359	$ 177,636
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required-Basel III Amount	146,814	143,801
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required-Basel III Amount	120,906	118,424
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required-Basel III Amount	$ 82,966	$ 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

Common Equity Tier One Risk Based Capital

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Common Equity Tier One Risk Based Capital Required For Capital Adequacy

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Common Equity Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets

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Amount of total capital as defined by regulatory framework.

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Amount of minimum total risk-based capital required for capital adequacy as defined by regulatory framework.

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-Name Accounting Standards Codification
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of Tier 1 leverage capital as defined by regulatory framework.

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