VARIABLE INTEREST ENTITIES LOANS HELD FOR INVESTMENT (Weighted Average Life of Commercial Real Estate Loans, at Amortized Cost) (Details) RSO (RSO [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
B Notes [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
2014	$ 0	$ 0
2015	0	0
2016 and Thereafter	16,168	16,205
Loans held for investment, amortized cost	16,168	16,205
Mezzanine Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
2014	5,711	5,711
2015	0	0
2016 and Thereafter	58,588	58,606
Loans held for investment, amortized cost	64,299	64,317
Whole Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
2014	5,110	0
2015	17,967	17,949
2016 and Thereafter	810,776	727,840
Loans held for investment, amortized cost	833,853	745,789
Commercial Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
2014	10,821	5,711
2015	17,967	17,949
2016 and Thereafter	885,532	802,651
Loans held for investment, amortized cost	$ 914,320	$ 826,311