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CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS (Advances to Affiliated Real Estate Limited Partnership) (Details) - Affiliated Real Estate Limited Partnership [Member]
$ in Thousands
9 Months Ended
Sep. 30, 2014
USD ($)
Partnership
Sep. 30, 2015
USD ($)
Related Party Transaction [Line Items]    
Number of investments | Partnership 1  
Maximum Revolving Note, Related Party   $ 3,000
Notes receivable, related party $ 2,300  
Related Party Transaction, Other Revenues from Transactions with Related Party $ 56