CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Series B Preferred stock, par value
Series B Preferred stock, authorized	480,000	480,000
Series B Preferred stock, issued	330,000	330,000
Series B Preferred stock, outstanding	330,000	330,000
Preferred shares, par value
Preferred shares, authorized	19,520,000	19,520,000
Common shares, Par value	$ 0.01	$ 0.01
Common shares, shares authorized	700,000,000	700,000,000
Common shares, shares issued	58,869,032	58,533,405
Common shares, shares outstanding	57,878,930	57,543,303
Preferred Stock
Preferred shares held in treasury	1	1
Common Stock
Common shares held in treasury	990,102	990,102