Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Investment securities, held to maturity fair value	$ 188,093	$ 193,703
Allowance for loan losses	$ 14,236	$ 14,534
Common stock, par value
Common stock, shares authorized	22,500,000	22,500,000
Common stock, shares issued	12,008,497	11,995,324
Common stock, shares outstanding	11,983,313	11,939,887
Series B Preferred Stock [Member]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, liquidation value	$ 1,000	$ 1,000
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	12,500