INVESTMENTS IN UNCONSOLIDATED ENTITIES (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended										3 Months Ended	9 Months Ended				2 Months Ended	7 Months Ended							3 Months Ended		9 Months Ended
	Jun. 30, 2012	Sep. 30, 2011	Jun. 30, 2012 Real estate investment entities [Member]	Sep. 30, 2011 Real estate investment entities [Member]	Jun. 30, 2012 Real estate investment entities [Member] Maximum [Member]	Jun. 30, 2012 Real estate investment entities [Member] Minimum [Member]	Jun. 30, 2012 Financial fund management partnerships [Member]	Sep. 30, 2011 Financial fund management partnerships [Member]	Jun. 30, 2012 Financial fund management partnerships [Member] Maximum [Member]	Jun. 30, 2012 Financial fund management partnerships [Member] Minimum [Member]	Jun. 30, 2012 CVC Credit Partners [Member]	Jun. 30, 2012 Trapeza entities [Member]	Sep. 30, 2011 Trapeza entities [Member]	Jun. 30, 2012 Trapeza entities [Member] Maximum [Member]	Jun. 30, 2012 Trapeza entities [Member] Minimum [Member]	Nov. 16, 2011 LEAF [Member]	Jun. 30, 2012 LEAF [Member]		Sep. 30, 2011 LEAF [Member]	Jun. 30, 2012 Commercial finance investment entities [Member]	Sep. 30, 2011 Commercial finance investment entities [Member]	Jun. 30, 2012 Commercial finance investment entities [Member] Maximum [Member]	Jun. 30, 2012 Commercial finance investment entities [Member] Minimum [Member]	Jun. 30, 2012 Trapeza Capital Management LLC [Member]	Jun. 30, 2011 Trapeza Capital Management LLC [Member]	Jun. 30, 2012 Trapeza Capital Management LLC [Member]	Jun. 30, 2011 Trapeza Capital Management LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interests (in hundredths)					10.00%	1.00%			11.00%	3.00%	33.00%	50.00%		50.00%	33.00%		15.70%	[1]				6.00%	1.00%
Investments in unconsolidated entities	$ 12,740	$ 12,710	$ 7,844	$ 8,439			$ 3,860	$ 3,476				$ 1,036	$ 795				$ 0		$ 0	$ 0	$ 0
Number of entities owned by entity and co-managing partner	2											2
Summarized Operating Data [Abstract]
Finance revenues											5,105					4,134	23,293
Management fees																								982	998	2,961	3,017
Costs and expenses											(4,522)					(4,607)	(26,599)							(480)	(288)	(1,361)	(1,400)
Net income (loss)											$ 583					$ (473)	$ (3,306)							$ 502	$ 710	$ 1,600	$ 1,617

[1] Based upon terms of the agreements for the deconsolidation of LEAF, the Company is calculating its share of losses incurred by LEAF for the period from November 17, 2011 to June 30, 2012 based on the equity method of accounting. During the nine months ended June 30, 2012, the Company's share of LEAF's losses, recorded as commercial finance revenues on the consolidated