VARIABLE INTEREST ENTITIES LOANS HELD FOR INVESTMENT (Allocation of Allowance for Loan Loss for Commercial and Bank Loans) (Details) RSO (RSO [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Receivables with Imputed Interest [Line Items]
Allowance for Loan Loss	$ 17,691	$ 27,518
B Notes [Member]
Receivables with Imputed Interest [Line Items]
Allowance for Loan Loss	206	253
Percentage of Total Allowance	1.17%	0.92%
Mezzanine Loans [Member]
Receivables with Imputed Interest [Line Items]
Allowance for Loan Loss	860	1,437
Percentage of Total Allowance	4.85%	5.23%
Whole Loans [Member]
Receivables with Imputed Interest [Line Items]
Allowance for Loan Loss	6,920	22,531
Percentage of Total Allowance	39.12%	81.87%
Bank Loans [Member]
Receivables with Imputed Interest [Line Items]
Allowance for Loan Loss	$ 9,705	$ 3,297
Percentage of Total Allowance	54.86%	11.98%