VARIABLE INTEREST ENTITIES (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012		Sep. 30, 2011
Consolidated VIE [Abstract]
Cash and property and equipment, net	$ 783		$ 944
Accrued expenses and other liabilities	230		300
Carrying amounts of assets of nonconsolidated VIEs and maximum exposure to loss associated with these VIEs [Abstract]
Receivables from managed entities and related parties, net	46,917		54,815
Variable Interest Entity, Not Primary Beneficiary [Member]
Carrying amounts of assets of nonconsolidated VIEs and maximum exposure to loss associated with these VIEs [Abstract]
Receivables from managed entities and related parties, net	4,763	[1]
Investments	18,572
Maximum exposure to loss in non-consolidated VIEs	23,335
Variable Interest Entity, Not Primary Beneficiary [Member] | RSO [Member]
Carrying amounts of assets of nonconsolidated VIEs and maximum exposure to loss associated with these VIEs [Abstract]
Receivables from managed entities and related parties, net	4,527	[1]
Investments	13,606
Maximum exposure to loss in non-consolidated VIEs	18,133
Variable Interest Entity, Not Primary Beneficiary [Member] | Apidos entities [Member]
Carrying amounts of assets of nonconsolidated VIEs and maximum exposure to loss associated with these VIEs [Abstract]
Receivables from managed entities and related parties, net	0	[1]
Investments	2,684
Maximum exposure to loss in non-consolidated VIEs	2,684
Variable Interest Entity, Not Primary Beneficiary [Member] | RRE Opportunity REIT [Member]
Carrying amounts of assets of nonconsolidated VIEs and maximum exposure to loss associated with these VIEs [Abstract]
Receivables from managed entities and related parties, net	0	[1]
Investments	1,246
Maximum exposure to loss in non-consolidated VIEs	1,246
Variable Interest Entity, Not Primary Beneficiary [Member] | Trapeza entities [Member]
Carrying amounts of assets of nonconsolidated VIEs and maximum exposure to loss associated with these VIEs [Abstract]
Receivables from managed entities and related parties, net	0	[1]
Investments	1,036
Maximum exposure to loss in non-consolidated VIEs	1,036
Variable Interest Entity, Not Primary Beneficiary [Member] | Ischus entities [Member]
Carrying amounts of assets of nonconsolidated VIEs and maximum exposure to loss associated with these VIEs [Abstract]
Receivables from managed entities and related parties, net	236	[1]
Investments	0
Maximum exposure to loss in non-consolidated VIEs	$ 236

[1] Exclusive of expense reimbursements due to the Company.