Shareholders' Equity Parenthetical (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Dividends per share paid to common shareholders	$ 0.04	$ 0.04	$ 0.04
Shares of common stock issued	828,061	692,569	4,015,744
Shares of common stock issued - June 2010 public offering	0	4,715,000	0
Shares of common stock issued - June 2010 private placement	0	1,084,450	0
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	847,532	1,050,922	697,327
Shares of Series C Preferred stock repurchased	0	154,000	0