Regulatory Capital Matters (Actual And Required Capital Amounts And Ratios Of CFBank) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital to risk weighted assets, Actual Amount	$ 39,594	$ 37,898
Tier 1 (Core) Capital to risk weighted assets, Actual Amount	35,963	34,520
Tier 1 (Core) Capital to adjusted total assets, Actual Amount	35,963	$ 34,520
Common equity Tier 1 (Core) Capital to risk weighted assets, Actual Amount	$ 35,963
Total Capital to risk weighted assets, Actual Ratio	13.77%	14.18%
Tier 1 (Core) Capital to risk weighted assets, Actual Ratio	12.50%	12.92%
Tier 1 (Core) Capital to adjusted total assets, Actual Ratio	10.82%	11.03%
Common equity Tier 1 (Core) Capital to risk weighted assets, Actual Ratio	12.50%
Total Capital to risk weighted assets, For Capital Adequacy Purposes Amount	$ 23,010	$ 21,379
Tier 1 (Core) Capital to risk weighted assets, For Capital Adequacy Purposes Amount	17,257	10,690
Tier 1 (Core) Capital to adjusted total assets, For Capital Adequacy Purposes Amount	13,291	$ 12,515
Comment equity Tier 1 (Core) Capital to risk weighted assets, For Capital Adequacy Purposes Amount	$ 12,943
Total Capital to risk weighted assets, For Capital Adequacy Purposes Ratio	8.00%	8.00%
Tier 1 (Core) Capital to risk weighted assets, For Capital Adequacy Purposes Ratio	6.00%	4.00%
Tier 1 (Core) Capital to adjusted total assets, For Capital Adequacy Purposes Ratio	4.00%	4.00%
Common equityTier 1 (Core) Capital to risk weighted assets, For Capital Adequacy Purposes Ratio	4.50%
Capital Required to be Well Capitalized	$ 28,762	$ 26,724
Tier One Risk Based Capital Required to be Well Capitalized	23,010	16,034
Tier One Leverage Capital Required to be Well Capitalized	16,613	$ 15,643
Common equity Tier One Risk Based Capital Required to be Well Capitalized	$ 18,695
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%	6.00%
Tier One Leverage Capital Required to be Well Capitalized to Average Assets	5.00%	5.00%
Common equity Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	6.50%
CF Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital Required to be Well Capitalized	$ 34,515	$ 32,069
Tier One Leverage Capital Required to be Well Capitalized	$ 26,581	$ 25,029
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%