SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Allowance for management fees – commercial finance [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	$ 16,990	$ 36,229	$ 29,586
Additions Charged to Costs and Expenses	675	3,123	6,643
Amounts Written-off Against the Allowance, Net of Recoveries	(17,665)	(22,362)	0
Balance at End of Year	0	16,990	36,229
Allowance for management fees – real estate [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	0	0	2,517
Additions Charged to Costs and Expenses	0	0	(2,518)
Amounts Written-off Against the Allowance, Net of Recoveries	0	0	1
Balance at End of Year	0	0	0
Allowance for doubtful accounts– financial fund management [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	0	0	457
Additions Charged to Costs and Expenses	0	0	199
Amounts Written-off Against the Allowance, Net of Recoveries	0	0	(656)
Balance at End of Year	0	0	0
Allowance for investments in commercial finance assets: [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	0	0	0
Additions Charged to Costs and Expenses	(400)	(62)	(42)
Amounts Written-off Against the Allowance, Net of Recoveries	530	62	42
Balance at End of Year	130	0	0
Allowance for rent receivables: [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	0	14	68
Additions Charged to Costs and Expenses	5	(3)	(17)
Amounts Written-off Against the Allowance, Net of Recoveries	0	(11)	(37)
Balance at End of Year	$ 5	$ 0	$ 14