INVESTMENTS IN UNCONSOLIDATED ENTITIES (Investment Vehicles, Including the Range of Interests it Owns) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	$ 12,993	$ 12,710
Real estate investment entities [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	8,043	8,439
Real estate investment entities [Member] | Minimum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage (in hundredths)	1.00%
Real estate investment entities [Member] | Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage (in hundredths)	10.00%
Financial fund management investment entities [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	3,983	3,476
Financial fund management investment entities [Member] | Minimum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage (in hundredths)	3.00%
Financial fund management investment entities [Member] | Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage (in hundredths)	11.00%
Trapeza entities [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	967	795
Trapeza entities [Member] | Minimum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage (in hundredths)	33.00%
Trapeza entities [Member] | Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage (in hundredths)	50.00%
LEAF [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage (in hundredths)	14.90%
Investments in unconsolidated entities	0	0
Commercial Finance [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	$ 0	$ 0
Commercial Finance [Member] | Minimum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage (in hundredths)	2.00%
Commercial Finance [Member] | Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage (in hundredths)	7.00%