VARIABLE INTEREST ENTITIES FINANCING RECEIVABLES (Credit Risk Profiles of Commercial Real Estate Loans) (Details) RSO (RSO [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Schedule Of Financing Receivables [Line Items]
Loans and receivables	$ 1,969,858	$ 1,935,793
Loans Receivable Held-for-sale, Amount	248,451	111,736
Whole Loans [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	1,362,382	1,263,592
Whole Loans [Member] | Rating 1 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	1,329,882	1,231,092
Whole Loans [Member] | Rating 2 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	32,500	32,500
Whole Loans [Member] | Rating 3 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	0
Whole Loans [Member] | Rating 4 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	0
Whole Loans [Member] | Held for Sale [Member]
Schedule Of Financing Receivables [Line Items]
Loans Receivable Held-for-sale, Amount	0	0
B Notes [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	16,031	16,072
B Notes [Member] | Rating 1 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	16,031	16,072
B Notes [Member] | Rating 2 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	0
B Notes [Member] | Rating 3 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	0
B Notes [Member] | Rating 4 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	0
B Notes [Member] | Held for Sale [Member]
Schedule Of Financing Receivables [Line Items]
Loans Receivable Held-for-sale, Amount	0	0
Mezzanine Loans [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	67,471	67,366
Mezzanine Loans [Member] | Rating 1 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	45,417	45,432
Mezzanine Loans [Member] | Rating 2 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	22,054	21,934
Mezzanine Loans [Member] | Rating 3 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	0
Mezzanine Loans [Member] | Rating 4 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	0
Mezzanine Loans [Member] | Held for Sale [Member]
Schedule Of Financing Receivables [Line Items]
Loans Receivable Held-for-sale, Amount	0	0
Commercial Portfolio Segment [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	1,445,884	1,347,030
Commercial Portfolio Segment [Member] | Rating 1 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	1,391,330	1,292,596
Commercial Portfolio Segment [Member] | Rating 2 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	54,554	54,434
Commercial Portfolio Segment [Member] | Rating 3 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	0
Commercial Portfolio Segment [Member] | Rating 4 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	0
Commercial Portfolio Segment [Member] | Held for Sale [Member]
Schedule Of Financing Receivables [Line Items]
Loans Receivable Held-for-sale, Amount	$ 0	$ 0