CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Sep. 30, 2013	Dec. 31, 2012
CONSOLIDATED BALANCE SHEETS [Abstract]
Preferred shares, par value per share	$ 0.01	$ 0.01
Preferred shares, shares authorized	20,000,000	20,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common shares, par value per share	$ 0.01	$ 0.01
Common shares, shares authorized	180,000,000	180,000,000
Common shares, shares issued	31,987,000	27,414,000
Common shares, shares outstanding	31,627,000	27,414,000
Treasury stock, shares	360,000