VARIABLE INTEREST ENTITIES FINANCING RECEIVABLES (Credit Risk Profiles of Bank Loans) (Details) RSO (RSO [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and receivables	$ 1,870,134	$ 1,808,557
Bank Loans [Member] | Bank Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and receivables	1,193,314	1,173,753
Bank Loans [Member] | Bank Loans [Member] | Rating 1 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and receivables	1,095,148	1,076,298
Bank Loans [Member] | Bank Loans [Member] | Rating 2 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and receivables	33,677	19,739
Bank Loans [Member] | Bank Loans [Member] | Rating 3 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and receivables	27,837	60,329
Bank Loans [Member] | Bank Loans [Member] | Rating 4 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and receivables	16,318	11,540
Bank Loans [Member] | Bank Loans [Member] | Rating 5 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and receivables	5,440	2,693
Bank Loans [Member] | Bank Loans [Member] | Held for Sale [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and receivables	$ 14,894	$ 3,154