SPONSORS AND MANAGEMENT WARRANTS (Details) (USD $)						1 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Sponsors Warrants	Dec. 31, 2013 Sponsors Warrants	Nov. 09, 2010 Sponsors Warrants	Feb. 28, 2011 Management Warrants	Mar. 31, 2014 Management Warrants	Dec. 31, 2013 Management Warrants	Feb. 28, 2011 Management Warrants David R. Weinreb	Feb. 28, 2011 Management Warrants Grant Herlitz	Feb. 28, 2011 Management Warrants Andrew C. Richardson
Sponsors and Management Warrants
Issuance of warrants to purchase common stock (in shares)			1,916,667		8,000,000	2,862,687	2,862,687
Warrants outstanding			1,900,000
Exercise price (in dollars per share)					$ 50.00				$ 42.23	$ 42.23	$ 54.50
Proceeds from issuance of management warrants						$ 19,000,000
Warrant liabilities	$ 402,000,000	$ 305,560,000	$ 182,200,000	$ 141,800,000			$ 219,800,000	$ 163,800,000