FAIR VALUE (Fair Value of Financial Instruments, Excluding Instruments Valued on a Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Carrying Amount [Member]
Assets:
Receivables from managed entities	$ 30,303	$ 30,618
Total	30,303	30,618
Borrowings:
Total	20,492	21,040
Carrying Amount [Member] | Real Estate Debt [Member]
Borrowings:
Real estate debt	10,380	10,473
Carrying Amount [Member] | Senior Notes [Member]
Borrowings:
Senior Notes	10,000	10,000
Carrying Amount [Member] | Other Debt [Member]
Borrowings:
Other debt	112	567
Estimated Fair Value [Member]
Assets:
Receivables from managed entities	30,303	30,618
Total	30,303	30,618
Borrowings:
Total	23,062	23,693
Estimated Fair Value [Member] | Real Estate Debt [Member]
Borrowings:
Real estate debt	11,075	11,398
Estimated Fair Value [Member] | Senior Notes [Member]
Borrowings:
Senior Notes	11,875	11,728
Estimated Fair Value [Member] | Other Debt [Member]
Borrowings:
Other debt	$ 112	$ 567