Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Consolidated Statements of Changes in Stockholders' Equity
Issuance of Stock and Warrants			86,705
Proceeds from rights offering, Shares			$ 1,571,428
Common Stock, Dividends, Per Share, Declared	$ 0.12	$ 0.12	$ 0.18
Stock Offerings During Period, Shares		1,715,000
Preferred Stock, Shares Issued			10,000
Exercise of Stock Options, Shares	42,495		9,289