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Regulatory Capital Matters (Tables) | 12 Months Ended
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Dec. 31, 2017
Regulatory Capital Matters [Abstract] |
Actual and required capital amounts and ratios of CFBank | ﻿
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﻿ | Actual |  | Minimum Capital Required-Basel III Phase-In Schedule |  | Minimum Capital Required-Basel III Fully Phased-In |  | To Be Well Capitalized Under Applicable Regulatory Capital Standards
﻿ | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
﻿December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Total Capital to risk weighted assets | $ | 48,271 |  | 11.91% |  | $ | 37,492 |  | 9.25% |  | $ | 42,559 |  | 10.50% |  | $ | 40,532 |  | 10.00%
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Tier 1 (Core) Capital to risk weighted assets |  | 43,179 |  | 10.65% |  |  | 29,386 |  | 7.25% |  |  | 34,452 |  | 8.50% |  |  | 32,426 |  | 8.00%
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Common equity tier 1 capital to risk-weighted assets |  | 43,179 |  | 10.65% |  |  | 23,306 |  | 5.75% |  |  | 28,372 |  | 7.00% |  |  | 26,346 |  | 6.50%
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Tier 1 (Core) Capital to adjusted total assets (Leverage ratio) |  | 43,179 |  | 9.37% |  |  | 18,432 |  | 4.00% |  |  | 18,432 |  | 4.00% |  |  | 23,040 |  | 5.00%
﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ | Actual |  | Minimum Capital Required-Basel III Phase-In Schedule |  | Minimum Capital Required-Basel III Fully Phased-In |  | To Be Well Capitalized Under Applicable Regulatory Capital Standards
﻿ | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
﻿December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Total Capital to risk weighted assets | $ | 45,118 |  | 12.46% |  | $ | 31,256 |  | 8.63% |  | $ | 38,029 |  | 10.50% |  | $ | 36,218 |  | 10.00%
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Tier 1 (Core) Capital to risk weighted assets |  | 40,556 |  | 11.20% |  |  | 24,013 |  | 6.63% |  |  | 30,785 |  | 8.50% |  |  | 28,974 |  | 8.00%
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Common equity tier 1 capital to risk-weighted assets |  | 40,556 |  | 11.20% |  |  | 18,580 |  | 5.13% |  |  | 25,353 |  | 7.00% |  |  | 23,542 |  | 6.50%
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Tier 1 (Core) Capital to adjusted total assets (Leverage ratio) |  | 40,556 |  | 9.66% |  |  | 16,792 |  | 4.00% |  |  | 16,792 |  | 4.00% |  |  | 20,991 |  | 5.00%
﻿

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1G -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958577-112826 + Details
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