FAIR VALUE (Fair Value of Financial Instruments, Excluding Instruments Valued on a Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Carrying Amount [Member]
Assets:
Receivables from managed entities	$ 29,929	$ 30,618
Total	29,929	30,618
Borrowings:
Total	20,746	21,040
Carrying Amount [Member] | Real Estate Debt [Member]
Borrowings:
Real estate debt	10,425	10,473
Carrying Amount [Member] | Senior Notes [Member]
Borrowings:
Senior Notes	10,000	10,000
Carrying Amount [Member] | Other Debt [Member]
Borrowings:
Other debt	321	567
Estimated Fair Value [Member]
Assets:
Receivables from managed entities	29,929	30,618
Total	29,929	30,618
Borrowings:
Total	24,003	23,693
Estimated Fair Value [Member] | Real Estate Debt [Member]
Borrowings:
Real estate debt	11,616	11,398
Estimated Fair Value [Member] | Senior Notes [Member]
Borrowings:
Senior Notes	12,066	11,728
Estimated Fair Value [Member] | Other Debt [Member]
Borrowings:
Other debt	$ 321	$ 567