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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Securities held to maturity fair values $ 157,146 $ 182,411
Preferred stock, shares authorized 5,000,000 5,000,000
Common stock, shares authorized 40,000,000 40,000,000
Common stock, shares issued 19,747,509 19,709,881
Common stock, shares outstanding 19,747,509 19,709,881
Series B Preferred Stock [Member]    
Preferred stock, shares issued 0 63,500
Preferred stock, shares outstanding 0 63,500
Series C Preferred Stock [Member]    
Preferred stock, shares issued 728,706 728,706
Preferred stock, shares outstanding 728,706 728,706