Regulatory Capital Matters (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Tier One Leverage Capital To Average Assets, Required By Terms Of CFBank Order, Ratio	8.00%	8.00%
Capital Required By Terms Of Cf Bank Order, Ratio	12.00%	12.00%
Total Capital to risk weighted assets as required by CF Bank Orders
Capital contribution from Holding Company	$ 13,500
Tier 1 minimum capital requirement, risk-weighted assets	(4.50%)
Tier 1 minimum capital requirement, risk-weighted assets, risk rate 90 days past due	(150.00%)
Tier 1 minimum capital requirement of common equity, risk-weighted assets	2.50%
Percent of Qualified Thrift Lender test requires	65.00%
Opening Balance in Liquidation Account	$ 14,300
Minimum [Member]
Tier 1 minimum capital requirement, risk-weighted assets	4.00%
Maximum [Member]
Tier 1 minimum capital requirement, risk-weighted assets	6.00%