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Borrowings - Information regardings of Borrowings - (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Debt Instrument [Line Items]    
Borrowings $ 49,717 $ 65,217
Federal Home Loan Bank advances
   
Debt Instrument [Line Items]    
Borrowings 42,500 58,000
Subordinated debentures
   
Debt Instrument [Line Items]    
Borrowings $ 7,217 $ 7,217