Regulatory Capital Matters (Actual And Required Capital Amounts And Ratios Of CFBank) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital to risk weighted assets, Actual Amount	$ 42,029	$ 41,528
Tier 1 (Core) Capital to risk weighted assets, Actual Amount	38,155	37,694
Common equity Tier 1 (Core) Capital to risk weighted assets, Actual Amount	38,155	37,694
Tier 1 (Core) Capital to adjusted total assets, Actual Amount	$ 38,155	$ 37,694
Total Capital to risk weighted assets, Actual Ratio	13.69%	13.67%
Tier 1 (Core) Capital to risk weighted assets, Actual Ratio	12.43%	12.40%
Common equity Tier 1 (Core) Capital to risk weighted assets, Actual Ratio	12.43%	12.40%
Tier 1 (Core) Capital to adjusted total assets, Actual Ratio	10.89%	11.12%
Total Capital to risk weighted assets, Phase-In Schedule Amount	$ 26,500
Tier 1 (Core) Capital to risk weighted assets, Phase-In Schedule Amount	20,359
Common equity Tier 1 (Core) Capital to risk weighted assets, Phase-In Schedule Amount	15,753
Tier 1 (Core) Capital to adjusted total assets, Phase-In Schedule Amount	$ 14,009
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	$ 32,243
Tier 1 (Core) Capital to risk weighted assets, Fully Phased-In Amount	26,101
Common equity Tier 1 (Core) Capital to risk weighted assets, Fully Phased-In Amount	21,495
Tier 1 (Core) Capital to adjusted total assets, Fully Phased-In Amount	$ 14,009
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	$ 30,707	$ 30,388
Tier One Risk Based Capital Required to be Well Capitalized	24,566	24,310
Common equity Tier One Risk Based Capital Required to be Well Capitalized	19,960	19,752
Tier One Leverage Capital Required to be Well Capitalized	$ 17,512	$ 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%