Regulatory Capital Matters (Actual And Required Capital Amounts And Ratios Of CFBank) (Details) $ in Thousands	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital to risk weighted assets, Actual Amount	$ 198,745	$ 193,294
Tier 1 (Core) Capital to risk weighted assets, Actual Amount	181,998	176,828
Common equity tier 1 capital to risk-weighted assets, Actual Amount	181,998	176,828
Tier 1 (Core) Capital to adjusted total assets (Leverage ratio), Actual Amount	$ 181,998	$ 176,828
Total Capital to risk weighted assets, Actual Ratio	0.1293	0.1274
Tier 1 (Core) Capital to risk weighted assets, Actual Ratio	0.1184	0.1165
Common equity tier 1 capital to risk-weighted assets, Actual Ratio	0.1184	0.1165
Tier 1 (Core) Capital to adjusted total assets, Actual Ratio	0.1002	0.0989
Total Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount	$ 153,739	$ 151,775
Tier 1 (Core) Capital to risk weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount	122,992	121,420
Common equity tier 1 capital to risk-weighted assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount	99,931	98,654
Tier 1 (Core) Capital to adjusted total assets, To Be Well Capitalized Under Applicable Regulatory Capital Standards Amount	$ 90,845	$ 89,377
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 Fully Phased-In Amount	$ 161,426	$ 159,364
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required-Basel III Fully Phased-In Amount	130,678	129,009
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required-Basel III Fully Phased-In Amount	107,618	106,243
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required-Basel III Fully Phased-In Amount	$ 72,676	$ 71,502
Total Capital to risk weighted assets, Minimum Capital Required-Basel III Fully Phased-In Ratio	0.1050	0.1050
Tier 1 (Core) Capital to risk weighted assets, Minimum Capital Required-Basel III Fully Phased-In Ratio	0.0850	0.0850
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Required-Basel III Fully Phased-In Ratio	0.0700	0.0700
Tier 1 (Core) Capital to adjusted total assets, Minimum Capital Required-Basel III Fully Phased-In Ratio	0.0400	0.0400

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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Amount of total capital as defined by regulatory framework.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
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Amount of Tier 1 leverage capital as defined by regulatory framework.

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