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Regulatory Capital Matters (Actual And Required Capital Amounts And Ratios Of CFBank) (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total Capital to risk weighted assets, Actual Amount | $ 45,118 | $ 41,528
Tier 1 (Core) Capital to risk weighted assets, Actual Amount | 40,556 | 37,694
Common equity tier 1 capital to risk-weighted assets, Actual Amount | 40,556 | 37,694
Tier 1 (Core) Capital to adjusted total assets, Actual Amount | $ 40,556 | $ 37,694
Total Capital to risk weighted assets, Actual Ratio | 12.46% | 13.67%
Tier 1 (Core) Capital to risk weighted assets, Actual Ratio | 11.20% | 12.40%
Common equity tier 1 capital to risk-weighted assets, Actual Ratio | 11.20% | 12.40%
Tier 1 (Core) Capital to adjusted total assets, Actual Ratio | 9.66% | 11.12%
Total Capital to risk weighted assets, For Capital Adequacy Purposes Amount |  | $ 24,310
Tier 1 (Core) Capital to risk weighted assets, For Capital Adequacy Purposes Amount |  | 18,233
Common equity tier 1 capital to risk-weighted assets, For Capital Adequacy Purposes Amount |  | 13,675
Tier 1 (Core) Capital to adjusted total assets, For Capital Adequacy Purposes Amount |  | $ 13,557
Total Capital to risk weighted assets, For Capital Adequacy Purposes Ratio |  | 8.00%
Tier 1 (Core) Capital to risk weighted assets, For Capital Adequacy Purposes Ratio |  | 6.00%
Common equity tier 1 capital to risk-weighted assets, For Capital Adequacy Purposes Ratio |  | 4.50%
Tier 1 (Core) Capital to adjusted total assets, For Capital Adequacy Purposes Ratio |  | 4.00%
Capital Required to be Well Capitalized | $ 36,218 | $ 30,388
Tier One Risk Based Capital Required to be Well Capitalized | 28,974 | 24,310
Common equity tier 1 capital to risk-weighted assets, To Be Well Capitalized Under Applicable Regulatory Action Regulations Amount | 23,542 | 19,752
Tier One Leverage Capital Required to be Well Capitalized | $ 20,991 | $ 16,946
Capital Required to be Well Capitalized to Risk Weighted Assets | 10.00% | 10.00%
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets | 8.00% | 8.00%
Common equity tier 1 capital to risk-weighted assets, To Be Well Capitalized Under Applicable Regulatory Action Regulations Ratio | 6.50% | 6.50%
Tier One Leverage Capital Required to be Well Capitalized to Average Assets | 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, For Capital Adequacy Purposes Amount | $ 31,256 |
Tier 1 (Core) Capital to risk weighted assets, For Capital Adequacy Purposes Amount | 24,013 |
Common equity tier 1 capital to risk-weighted assets, For Capital Adequacy Purposes Amount | 18,580 |
Tier 1 (Core) Capital to adjusted total assets, For Capital Adequacy Purposes Amount | $ 16,792 |
Total Capital to risk weighted assets, For Capital Adequacy Purposes Ratio | 8.63% |
Tier 1 (Core) Capital to risk weighted assets, For Capital Adequacy Purposes Ratio | 6.63% |
Common equity tier 1 capital to risk-weighted assets, For Capital Adequacy Purposes Ratio | 5.13% |
Tier 1 (Core) Capital to adjusted total assets, For Capital Adequacy Purposes Ratio | 4.00% |
Basel III Fully Phased-In [Member] |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total Capital to risk weighted assets, For Capital Adequacy Purposes Amount | $ 38,029 |
Tier 1 (Core) Capital to risk weighted assets, For Capital Adequacy Purposes Amount | 30,785 |
Common equity tier 1 capital to risk-weighted assets, For Capital Adequacy Purposes Amount | 25,353 |
Tier 1 (Core) Capital to adjusted total assets, For Capital Adequacy Purposes Amount | $ 16,792 |
Total Capital to risk weighted assets, For Capital Adequacy Purposes Ratio | 10.50% |
Tier 1 (Core) Capital to risk weighted assets, For Capital Adequacy Purposes Ratio | 8.50% |
Common equity tier 1 capital to risk-weighted assets, For Capital Adequacy Purposes Ratio | 7.00% |
Tier 1 (Core) Capital to adjusted total assets, For Capital Adequacy Purposes Ratio | 4.00% |

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- Definition The amount of total capital as defined in the regulations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47304-110998 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 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=35709795&loc=d3e65071-112826 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47080-110998 + Details
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- Definition The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 + Details
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- Definition The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: 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=35709795&loc=SL5958568-112826 Reference 2: 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=35709795&loc=SL5958570-112826 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=35709795&loc=d3e65071-112826 + Details
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