Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Securities held to maturity fair values	$ 61,496	$ 62,754
Preferred stock, shares authorized	5,000,000	5,000,000
common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	19,669,302	16,909,820
Common stock, shares outstanding	19,669,302	16,909,820
Series B
Preferred stock, shares issued	63,500	63,500
Preferred stock, shares outstanding	63,500	63,500
Preferred Stock - Series C
Preferred stock, shares issued	728,706	0
Preferred stock, shares outstanding	728,706	0