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Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Assets:    
Securities available for sale $ 19,743 $ 25,097
Other real estate owned 1,477 1,824
Fair value measured on a recurring basis [Member] | Assets/Liabilities Measured At Fair Value [Member] | Municipal securities [Member]
   
Assets:    
Securities available for sale 1,069 9,122
Fair value measured on a recurring basis [Member] | Assets/Liabilities Measured At Fair Value [Member] | Collateralized mortgage obligations [Member]
   
Assets:    
Securities available for sale 8,473 12,745
Fair value measured on a recurring basis [Member] | Assets/Liabilities Measured At Fair Value [Member] | Asset-backed securities [Member]
   
Assets:    
Securities available for sale 3,007  
Fair value measured on a recurring basis [Member] | Assets/Liabilities Measured At Fair Value [Member] | Mortgage-backed securities [Member]
   
Assets:    
Securities available for sale 7,194 3,230
Fair value measured on a recurring basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Municipal securities [Member]
   
Assets:    
Securities available for sale      
Fair value measured on a recurring basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Collateralized mortgage obligations [Member]
   
Assets:    
Securities available for sale      
Fair value measured on a recurring basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Asset-backed securities [Member]
   
Assets:    
Securities available for sale     
Fair value measured on a recurring basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Mortgage-backed securities [Member]
   
Assets:    
Securities available for sale      
Fair value measured on a recurring basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Municipal securities [Member]
   
Assets:    
Securities available for sale 1,069 9,122
Fair value measured on a recurring basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateralized mortgage obligations [Member]
   
Assets:    
Securities available for sale 8,473 12,745
Fair value measured on a recurring basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Asset-backed securities [Member]
   
Assets:    
Securities available for sale 3,007  
Fair value measured on a recurring basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Mortgage-backed securities [Member]
   
Assets:    
Securities available for sale 7,194 3,230
Fair value measured on a recurring basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Municipal securities [Member]
   
Assets:    
Securities available for sale      
Fair value measured on a recurring basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Collateralized mortgage obligations [Member]
   
Assets:    
Securities available for sale      
Fair value measured on a recurring basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Asset-backed securities [Member]
   
Assets:    
Securities available for sale     
Fair value measured on a recurring basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Mortgage-backed securities [Member]
   
Assets:    
Securities available for sale      
Fair value measured on a nonrecurring basis [Member] | Assets/Liabilities Measured At Fair Value [Member]
   
Assets:    
Other real estate owned   1,300
Impaired loans 2,877 12
Fair value measured on a nonrecurring basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
   
Assets:    
Other real estate owned     
Impaired loans      
Fair value measured on a nonrecurring basis [Member] | Significant Other Observable Inputs (Level 2) [Member]
   
Assets:    
Other real estate owned     
Impaired loans      
Fair value measured on a nonrecurring basis [Member] | Significant Unobservable Inputs (Level 3) [Member]
   
Assets:    
Other real estate owned   1,300
Impaired loans $ 2,877 $ 12