VARIABLE INTEREST ENTITIES FINANCING RECEIVABLES (Allowance for Loan Losses and Recorded Investments in Loans) (Details) RSO (USD $) In Thousands, unless otherwise specified	3 Months Ended			3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Mar. 31, 2014 RSO [Member]	Dec. 31, 2013 RSO [Member]	Mar. 31, 2014 RSO [Member] Commercial Portfolio Segment [Member]	Dec. 31, 2013 RSO [Member] Commercial Portfolio Segment [Member]	Mar. 31, 2014 RSO [Member] Bank Loans [Member]	Dec. 31, 2013 RSO [Member] Bank Loans [Member]	Mar. 31, 2014 RSO [Member] Lease Receivables [Member]	Dec. 31, 2013 RSO [Member] Lease Receivables [Member]	Mar. 31, 2014 RSO [Member] Loans Receivable - Related Party [Member]	Dec. 31, 2013 RSO [Member] Loans Receivable - Related Party [Member]
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Allowance for losses at beginning of period	$ 36,243	$ 32,628		$ 13,807	$ 17,691	$ 10,416	$ 7,986	$ 3,391	$ 9,705	$ 0	$ 0	$ 0	$ 0
Provision for loan loss				(3,960)	3,020	(4,572)	2,686	612	334	0	0	0	0
Charge-offs	(1)	(25)		(3,262)	(6,904)	0	(256)	(3,262)	(6,648)	0	0	0	0
Allowance for losses at end of period	37,451	32,960		6,585	13,807	5,844	10,416	741	3,391	0	0	0	0
Allowance for losses, ending balance:
Individually evaluated for impairment	37,441	32,906		441	7,193	0	4,572	441	2,621	0	0	0	0
Collectively evaluated for impairment	10	54		6,144	6,614	5,844	5,844	300	770	0	0	0	0
Loans acquired with deteriorated credit quality				0	0	0	0	0	0	0	0	0	0
Loans, ending balance:
Individually evaluated for impairment	71,947		67,152	204,947	204,923	196,883	194,403	1,566	3,554	0	0	6,498	6,966
Ending balance, collectively evaluated for impairment	75		91	1,419,645	1,197,042	717,437	631,908	685,248	548,219	16,960	16,915	0	0
Loans acquired with deteriorated credit quality			$ 0	$ 612		$ 0	$ 0	$ 612	$ 0	$ 0	$ 0	$ 0	$ 0