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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Mar. 31, 2015
Dec. 31, 2014
Statement Of Financial Position [Abstract]        
Securities - Held to maturity, Fair value $ 26,133 $ 0    
Allowance for loan and lease losses $ 12,093 $ 12,567 $ 9,286 $ 8,843