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Repurchase of Subordinated Debentures (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Feb. 26, 2016
USD ($)
Dec. 31, 2015
USD ($)
Debt Instrument [Line Items]            
Subordinated debentures $ 10,310   $ 10,310     $ 15,465
Gain on repurchase of subordinated debt 0 $ 0 2,264 $ 0    
Subordinated Debentures            
Debt Instrument [Line Items]            
Repurchase of subordinated debentures         $ 5,200  
Subordinated debentures $ 10,310   $ 10,310      
Repurchase of subordinated debentures, price per dollar     0.5475      
Gain on repurchase of subordinated debt     $ 2,264      
Debt maturity date Dec. 19, 2036          
LIBOR | Subordinated Debentures            
Debt Instrument [Line Items]            
Debt instrument basis spread on variable rate     1.65%