NOTES RECEIVABLE AND PREFERRED EQUITY INVESTMENT Schedule of Notes Receivable and Preferred Equity Investments Reconciliation (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Mortgage Loans on Real Estate [Abstract]
Total Net Investments in Notes Receivable	$ 69,200,000
Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance at beginning of period	59,989,000	89,202,000	125,221,000
New mortgage loans	108,629,000	34,758,000	0
Collections of principal	(25,388,000)	(56,517,000)	(42,010,000)
Conversion to real estate through receipt of deed or through foreclosure	(14,000,000)	0	0
Reclass to investments in unconsolidated affiliates	0	(8,000,000)	0
Non-cash accretion of notes receivable	453,000	786,000	6,164,000
Reserves	(405,000)	(240,000)	(93,000)
Other	0	0	80,000
Balance at close of period	$ 129,278,000	$ 59,989,000	$ 89,202,000