Regulatory Capital Matters - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Regulatory Authorities [Line Items]
Tier 1 (Core) Capital to adjusted total assets as required by CF Bank Orders	8.00%	8.00%		8.00%
Total Capital to risk weighted assets as required by CF Bank Orders		12.00%		12.00%
Capital contribution from Holding Company	$ 13,500
Percent of Qualified Thrift Lender test requires	65.00%
Opening Balance in Liquidation Account	$ 14,300