VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Movement in Valuation Allowances and Reserves [Roll Forward]
Deconsolidation of LEAF			$ 482
Allowance for management fees – commercial finance [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	29,586	10,307	2,486
Additions Charged to Costs and Expenses	6,643	19,279	7,821
Amounts Written-off Against the Allowance, Net of Recoveries	0	0	0
Balance at End of Year	36,229	29,586	10,307
Allowance for management fees – real estate [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	2,517	2,268	0
Additions Charged to Costs and Expenses	(2,518)	389	2,268
Amounts Written-off Against the Allowance, Net of Recoveries	1	(140)	0
Balance at End of Year	0	2,517	2,268
Allowance for doubtful accounts– financial fund management [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	457	0	0
Additions Charged to Costs and Expenses	199	457	0
Amounts Written-off Against the Allowance, Net of Recoveries	(656)	0	0
Balance at End of Year	0	457	0
Allowance for investments in commercial finance assets: [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	0	0	210
Additions Charged to Costs and Expenses	(42)	(16)	1,187
Amounts Written-off Against the Allowance, Net of Recoveries	42	16	(1,397)
Balance at End of Year	0	0	0
Allowance for rent receivables: [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	68	29	0
Additions Charged to Costs and Expenses	(17)	39	29
Amounts Written-off Against the Allowance, Net of Recoveries	(37)	0	0
Balance at End of Year	$ 14	$ 68	$ 29