Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Investment securities, held to maturity fair value	$ 175,494	$ 9,910
Allowance for loan losses	$ 15,660	$ 15,992
Common stock, par value
Common stock, shares authorized	22,500,000	22,500,000
Common stock, shares issued	9,274,416	8,706,971
Common stock, shares outstanding	9,201,786	8,630,966
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	12,500	12,500