Regulatory Capital Matters (Tables)

12 Months Ended

Dec. 31, 2017

Regulatory Capital Matters [Abstract]

Actual and required capital amounts and ratios of CFBank

	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%