VARIABLE INTEREST ENTITIES FINANCING RECEIVABLES (Credit Risk Profiles of Commercial Real Estate Loans) (Details) RSO (RSO [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Financing Receivables [Line Items]
Loans and receivables	$ 1,870,134	$ 1,808,557
Commercial Portfolio Segment [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	667,051	628,982
Commercial Portfolio Segment [Member] | Rating 1 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	482,079	368,867
Commercial Portfolio Segment [Member] | Rating 2 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	87,598
Commercial Portfolio Segment [Member] | Rating 3 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	150,972	134,752
Commercial Portfolio Segment [Member] | Rating 4 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	37,765
Commercial Portfolio Segment [Member] | Held for Sale [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	34,000	0
Commercial Portfolio Segment [Member] | Whole Loans [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	567,938	544,673
Commercial Portfolio Segment [Member] | Whole Loans [Member] | Rating 1 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	427,456	329,085
Commercial Portfolio Segment [Member] | Whole Loans [Member] | Rating 2 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	87,598
Commercial Portfolio Segment [Member] | Whole Loans [Member] | Rating 3 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	106,482	90,225
Commercial Portfolio Segment [Member] | Whole Loans [Member] | Rating 4 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	37,765
Commercial Portfolio Segment [Member] | Whole Loans [Member] | Held for Sale [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	34,000	0
Commercial Portfolio Segment [Member] | B Notes [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	16,327	16,435
Commercial Portfolio Segment [Member] | B Notes [Member] | Rating 1 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	16,327	16,435
Commercial Portfolio Segment [Member] | B Notes [Member] | Rating 2 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	0
Commercial Portfolio Segment [Member] | B Notes [Member] | Rating 3 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	0
Commercial Portfolio Segment [Member] | B Notes [Member] | Rating 4 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	0
Commercial Portfolio Segment [Member] | B Notes [Member] | Held for Sale [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	0
Commercial Portfolio Segment [Member] | Mezzanine Loans [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	82,786	67,874
Commercial Portfolio Segment [Member] | Mezzanine Loans [Member] | Rating 1 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	38,296	23,347
Commercial Portfolio Segment [Member] | Mezzanine Loans [Member] | Rating 2 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	0
Commercial Portfolio Segment [Member] | Mezzanine Loans [Member] | Rating 3 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	44,490	44,527
Commercial Portfolio Segment [Member] | Mezzanine Loans [Member] | Rating 4 [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	0	0
Commercial Portfolio Segment [Member] | Mezzanine Loans [Member] | Held for Sale [Member]
Schedule Of Financing Receivables [Line Items]
Loans and receivables	$ 0	$ 0