Regulatory Capital Matters (Actual And Required Capital Amounts And Ratios Of CFBank) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital to risk weighted assets, Actual Amount	$ 43,557	$ 41,528
Tier 1 (Core) Capital to risk weighted assets, Actual Amount	39,369	37,694
Common equity Tier 1 (Core) Capital to risk weighted assets, Actual Amount	39,369	37,694
Tier 1 (Core) Capital to adjusted total assets, Actual Amount	$ 39,369	$ 37,694
Total Capital to risk weighted assets, Actual Ratio	13.11%	13.67%
Tier 1 (Core) Capital to risk weighted assets, Actual Ratio	11.85%	12.40%
Common equity Tier 1 (Core) Capital to risk weighted assets, Actual Ratio	11.85%	12.40%
Tier 1 (Core) Capital to adjusted total assets, Actual Ratio	10.28%	11.12%
Total Capital to risk weighted assets, Phase-In Schedule Amount	$ 28,676
Tier 1 (Core) Capital to risk weighted assets, Phase-In Schedule Amount	22,030
Common equity Tier 1 (Core) Capital to risk weighted assets, Phase-In Schedule Amount	17,046
Tier 1 (Core) Capital to adjusted total assets, Phase-In Schedule Amount	$ 15,313
Total Capital to risk weighted assets, Phase-In Schedule Ratio	8.63%
Tier 1 (Core) Capital to risk weighted assets, Phase-In Schedule Ratio	6.63%
Common equity Tier 1 (Core) Capital to risk weighted assets, Phase-In Schedule Ratio	5.13%
Tier 1 (Core) Capital to adjusted total assets, Phase-In Schedule Ratio	4.00%
Total Capital to risk weighted assets, Fully Phased-In Amount	$ 34,889
Tier 1 (Core) Capital to risk weighted assets, Fully Phased-In Amount	28,244
Common equity Tier 1 (Core) Capital to risk weighted assets, Fully Phased-In Amount	23,260
Tier 1 (Core) Capital to adjusted total assets, Fully Phased-In Amount	$ 15,313
Total Capital to risk weighted assets, Fully Phased-In Ratio	10.50%
Tier 1 (Core) Capital to risk weighted assets, Fully Phased-In Ratio	8.50%
Common equity Tier 1 (Core) Capital to risk weighted assets, Fully Phased-In Ratio	7.00%
Tier 1 (Core) Capital to adjusted total assets, Fully Phased-In Ratio	4.00%
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
Comment equity Tier 1 (Core) 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 equityTier 1 (Core) 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	$ 33,228	$ 30,388
Tier One Risk Based Capital Required to be Well Capitalized	26,582	24,310
Common equity Tier One Risk Based Capital Required to be Well Capitalized	21,598	19,752
Tier One Leverage Capital Required to be Well Capitalized	$ 19,141	$ 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 One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	6.50%	6.50%
Tier One Leverage Capital Required to be Well Capitalized to Average Assets	5.00%	5.00%
CF Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital Required to be Well Capitalized to Risk Weighted Assets	12.00%	12.00%
Tier One Leverage Capital Required to be Well Capitalized to Average Assets	8.00%	8.00%