Consolidated Balance Sheets (unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012
Securities held to maturity fair values	$ 58,376	$ 61,496	$ 61,676
Preferred stock, shares authorized	5,000,000	5,000,000	5,000,000
common stock, shares authorized	40,000,000	40,000,000	40,000,000
Common stock, shares issued	19,679,659	19,669,302	16,973,008
Common stock, shares outstanding	19,679,659	19,669,302	16,973,008
Preferred Stock - Series B
Preferred stock, shares issued	63,500	63,500	63,500
Preferred stock, shares outstanding	63,500	63,500	63,500
Preferred Stock - Series C
Preferred stock, shares issued	728,706	728,706	0
Preferred stock, shares outstanding	728,706	728,706	0