VARIABLE INTEREST ENTITIES LOANS HELD FOR INVESTMENT (Weighted Average Life of Bank Loans, at Amortized Cost) (Details) RSO (RSO [Member], Bank Loans [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
RSO [Member] | Bank Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less than one year	$ 44,852	$ 36,985
Greater than one year and less than five years	489,068	379,874
Five years or greater	153,506	145,164
Loans held for investment, amortized cost	$ 687,426	$ 562,023