NOTES, MORTGAGE NOTES AND OBLIGATIONS PAYABLE - Fourth Quarter 2012 Debt Transaction (Details) (USD $)	12 Months Ended								0 Months Ended		0 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Senior Notes [Member] 8.5% Notes [Member]	Dec. 31, 2012 Senior Notes [Member] 8.5% Notes [Member]	Oct. 18, 2012 Senior Notes [Member] 8.5% Notes [Member]	Dec. 31, 2011 Senior Notes [Member] 8.5% Notes [Member]	Apr. 26, 2011 Senior Notes [Member] 8.5% Notes [Member]	Oct. 18, 2012 Senior Notes [Member] New 8.5% Notes [Member]	Oct. 18, 2012 Senior Notes [Member] Original 8.5% Notes [Member]	Oct. 18, 2012 Loans Payable [Member] Term Loan Facility [Member]
Debt Instrument [Line Items]
Debt face amount								$ 500,000,000.0		$ 235,000,000
Interest rate				8.50%	8.50%	8.50%	8.50%	8.50%		8.50%
Net proceeds from the sale of the 8.5% Senior Notes due 2021	0	251,700,000	500,000,000						251,700,000
Payments of accrued interest											1,800,000
Fees paid in connection with debt facilities	0	5,900,000	59,600,000						4,700,000
Loss from debt retirement	0	6,400,000	33,800,000								6,400,000
Deferred finance costs											3,900,000
Debt premium	$ 4,500,000	$ 5,300,000							$ 15,100,000