VARIABLE INTEREST ENTITIES FINANCING RECEIVABLES (Allowance for Loan Losses and Recorded Investments in Loans) (Details) RSO (USD $)	3 Months Ended		6 Months Ended			6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Jun. 30, 2014 RSO [Member]	Dec. 31, 2013 RSO [Member]	Jun. 30, 2014 RSO [Member] Commercial Portfolio Segment [Member]	Dec. 31, 2013 RSO [Member] Commercial Portfolio Segment [Member]	Jun. 30, 2014 RSO [Member] Bank Loans [Member]	Dec. 31, 2013 RSO [Member] Bank Loans [Member]	Jun. 30, 2014 RSO [Member] Lease Receivables [Member]	Dec. 31, 2013 RSO [Member] Lease Receivables [Member]	Jun. 30, 2014 RSO [Member] Loans Receivable - Related Party [Member]	Dec. 31, 2013 RSO [Member] Loans Receivable - Related Party [Member]	Jun. 30, 2014 Loans Receivable [Member] RSO [Member]
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Allowance for losses at beginning of period						$ 13,807,000	$ 17,691,000	$ 10,416,000	$ 7,986,000	$ 3,391,000	$ 9,705,000	$ 0	$ 0	$ 0	$ 0
Provision for loan loss						(3,178,000)	3,020,000	(4,511,000)	2,686,000	607,000	334,000	26,000	0	700,000	0
Charge-offs	(1,000)	1,000	(2,000)	(24,000)		(3,390,000)	(6,904,000)	(61,000)	(256,000)	(3,329,000)	(6,648,000)	0	0	0	0
Allowance for losses at end of period						7,239,000	13,807,000	5,844,000	10,416,000	669,000	3,391,000	26,000	0	700,000	0
Allowance for losses, ending balance:
Individually evaluated for impairment	39,028,000	34,587,000	39,028,000	34,587,000		2,941,000	7,193,000	1,800,000	4,572,000	441,000	2,621,000	0	0	700,000	0
Collectively evaluated for impairment	2,000	29,000	2,000	29,000		4,298,000	6,614,000	4,044,000	5,844,000	228,000	770,000	26,000	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	71,614,000		71,614,000		67,152,000	179,600,000	204,923,000	172,583,000	194,403,000	1,566,000	3,554,000	0	0	5,451,000	6,966,000
Ending balance, collectively evaluated for impairment	100,000		100,000		91,000	1,572,837,000	1,207,292,000	865,561,000	631,908,000	704,806,000	558,469,000	2,470,000	16,915,000		0
Loans acquired with deteriorated credit quality						119,000	0	0	0	119,000	0	0	0	0	0
Loans, pledged as collateral, at fair value						$ 120,800,000	$ 0									$ 120,800,000