SUBSEQUENT EVENTS (Details) (USD $)	3 Months Ended		9 Months Ended				0 Months Ended	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Sep. 30, 2012 Subsequent event	Nov. 30, 2012 Subsequent event Brookfield	Dec. 31, 2012 Subsequent event Brookfield	Sep. 30, 2012 Pro forma Brookfield
SUBSEQUENT EVENTS
Issuance of warrants to purchase common stock (in shares)						8,000,000
Number of shares of common stock issued on exercise of warrants							1,525,272
Exercise price (in dollars per share)							$ 50.00
Proceeds from exercise of warrants							$ 76,300,000
Number of shares of common stock under warrants repurchased							2,308,061
Payments for repurchase of warrants							89,300,000
Cash consideration paid net of exercise price							13,000,000
Warrant liabilities	290,488,000		290,488,000		127,764,000				110,300,000
Warrant liability loss	$ (64,303,000)	$ 169,897,000	$ (162,724,000)	$ 100,762,000				$ 11,400,000