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FHLB Advances, Other Borrowings and Junior Subordinated Notes Line of credit type (Details) - USD ($)
12 Months Ended
Feb. 19, 2015
Dec. 31, 2014
Feb. 19, 2014
Dec. 31, 2015
Line of Credit Facility [Line Items]        
Debt and Capital Lease Obligations   $ 44,309,000   $ 45,541,000
Line of credit        
Line of Credit Facility [Line Items]        
Debt and Capital Lease Obligations   $ 1,010,000   2,510,000
Line of credit        
Line of Credit Facility [Line Items]        
Senior line of credit with a third-party financial institution       10,500,000
Line of credit - unused line fee       $ 13,000
London Interbank Offered Rate (LIBOR) | Line of credit        
Line of Credit Facility [Line Items]        
Debt instrument, basis spread on variable rate 2.75% 2.75%    
Interest rate floor     3.13%  
Interest rate floor debt | Line of credit        
Line of Credit Facility [Line Items]        
Interest rate floor       3.13%