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NOTES RECEIVABLE AND PREFERRED EQUITY INVESTMENT Schedule of Notes Receivable and Preferred Equity Investments Reconciliation (Details) (USD $)
In Thousands, unless otherwise specified
 1 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Movement in Mortgage Loans on Real Estate [Roll Forward]        
Balance at beginning of period   $ 89,202 $ 125,221 $ 125,587
New mortgage loans   34,758 0 10,839
Collections of principle (8,600) (56,517) (42,010) (13,614)
Reclass of investments in unconsolidated affiliates   (8,000) 0 0
Noncash Accretion Of Notes Receivable   786 6,164 5,352
Reserves   (240) (93) (2,943)
Other   0 (80) 0
Balance at close of period $ 59,989 $ 59,989 $ 89,202 $ 125,221