Regulatory Capital Matters - Additional Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Regulatory Capital Matters [Abstract]
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
Percent of Qualified Thrift Lender test requires	65.00%
Opening Balance in Liquidation Account	$ 14,300