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Regulatory Capital Matters Regulatory Capital Matters (Actual And Required Capital Amounts And Ratios Of CFBank) (Parenthetical) (Details)	Sep. 30, 2025	Dec. 31, 2024	Jan. 01, 2019
Regulatory Capital Matters [Abstract]
Capital conservation buffer include ratios	0.025	0.025
Capital conservation buffer			2.50%

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- Definition

Capital conservation buffer under Basel 3 Capital Rules.

+ References

No definition available.

+ Details

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Balance Type:	na
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- References

No definition available.

+ Details

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- Definition

Minimum capital conservation buffer percentage required to avoid restriction on payout amount of eligible retained income as defined by regulatory framework.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

+ Details

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