VARIABLE INTEREST ENTITIES LOANS HELD FOR INVESTMENT (Weighted Average Life of Bank Loans, at Amortized Cost) (Details) RSO (RSO [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment, amortized cost	$ 676,872	$ 562,023
Bank Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less than one year	46,779	36,985
Greater than one year and less than five years	479,790	379,874
Five years or greater	150,303	145,164
Loans held for investment, amortized cost	$ 676,872	$ 562,023