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Regulatory Capital Matters - Actual and Required Capital Amounts and Ratios of CF Bank (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]      
Total Capital to risk weighted assets, Actual Amount $ 25,002 $ 15,351  
Total Capital to risk weighted assets, Actual Ratio 15.53% 10.30%  
Total Capital to risk weighted assets, For Capital Adequacy Purposes Amount 12,878 11,918  
Total Capital to risk weighted assets, For Capital Adequacy Purposes Ratio 8.00% 8.00%  
Total Capital to risk weighted assets, To Be Well Capitalized Under Prompt Corrective Action Regulations Amount 16,098 14,897  
Total Capital to risk weighted assets, To Be Well Capitalized Under Prompt Corrective Action Regulations Ratio 10.00% 10.00%  
Total Capital to risk weighted assets, Required By Terms Of CFBank Order Amount 19,317 17,876  
Total Capital to risk weighted assets, Required By Terms Of CFBank Order Ratio 12.00% 12.00% 12.00%
Tier 1 (Core) Capital to risk weighted assets, Actual Amount 22,950 13,436  
Tier 1 (Core) Capital to risk weighted assets, Actual Ratio 14.26% 9.02%  
Tier 1 (Core) Capital to risk weighted assets, For Capital Adequacy Purposes Amount 6,439 5,959  
Tier 1 (Core) Capital to risk weighted assets, For Capital Adequacy Purposes Ratio 4.00% 4.00%  
Tier 1 (Core) Capital to risk weighted assets, To Be Well Capitalized Under Prompt Corrective Action Regulations Amount 9,659 8,938  
Tier 1 (Core) Capital to risk weighted assets, To Be Well Capitalized Under Prompt Corrective Action Regulations Ratio 6.00% 6.00%  
Tier 1 (Core) Capital to adjusted total assets, Actual Amount 22,950 13,436  
Tier 1 (Core) Capital to adjusted total assets, Actual Ratio 10.97% 5.39%  
Tier 1 (Core) Capital to adjusted total assets, For Capital Adequacy Purposes Amount 8,372 9,968  
Tier 1 (Core) Capital to adjusted total assets, For Capital Adequacy Purposes Ratio 4.00% 4.00%  
Tier 1 (Core) Capital to adjusted total assets, To Be Well Capitalized Under Prompt Corrective Action Regulations Amount 10,465 12,460  
Tier 1 (Core) Capital to adjusted total assets, To Be Well Capitalized Under Prompt Corrective Action Regulations Ratio 5.00% 5.00%  
Tier 1 (Core) Capital to adjusted total assets, Required By Terms Of CFBank Order Amount 16,744 19,937  
Tier 1 (Core) Capital to adjusted total assets, Required By Terms Of CFBank Order Ratio 8.00% 8.00% 8.00%
Tangible Capital to adjusted total assets, Actual Amount 22,950 13,436  
Tangible Capital to adjusted total assets, Actual Ratio 10.97% 5.39%  
Tangible Capital to adjusted total assets, For Capital Adequacy Purposes Amount $ 3,139 $ 3,738  
Tangible Capital to adjusted total assets, For Capital Adequacy Purposes Ratio 1.50% 1.50%