CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS (Fees From Unconsolidated Investment Entities) (Details) (USD $)	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Commercial Finance, Four Investment Entities [Member]
Fees from unconsolidated investment entities:
Amount waived of the fund management fees from commercial finance investment entities	$ 751,000	$ 1,500,000
Real Estate Investment Entities [Member]
Fees from unconsolidated investment entities:
Fees from unconsolidated investment entities	4,017,000	3,768,000
Discounts recorded	538,000	76,000
Financial Fund Management Investment Entities [Member]
Fees from unconsolidated investment entities:
Fees from unconsolidated investment entities	760,000	850,000
Commercial Finance Investment Entities [Member]
Fees from unconsolidated investment entities:
Fees from unconsolidated investment entities	0	0
CVC Credit Partners, L.P. [Member]
Fees from unconsolidated investment entities:
Reimbursement of costs and expenses	216,000	0
Resource Real Estate Opportunity REIT Inc [Member]
Fees from unconsolidated investment entities:
Reimbursement of costs and expenses	75,000	105,000
LEAF [Member]
Fees from unconsolidated investment entities:
Reimbursement of costs and expenses	59,000	60,000
Payment for sub-servicing the commercial finance investment partnerships	(382,000)	(405,000)
Payment for rent and related expenses	(197,000)	(120,000)
1845 Walnut Associates Ltd. [Member]
Fees from unconsolidated investment entities:
1845 Walnut Associates Ltd. – payment of rent and operating expenses	(154,000)	(106,000)
Brandywine Construction & Management, Inc. (BCMI) [Member]
Fees from unconsolidated investment entities:
Payments for Property Management	(54,000)	(59,000)
Atlas Energy, L.P. [Member]
Fees from unconsolidated investment entities:
Reimbursement of costs and expenses	144,000	169,000
Ledgewood P.C. [Member]
Fees from unconsolidated investment entities:
Ledgewood P.C. – payment for legal services	(53,000)	(155,000)
Graphic Images, LLC [Member]
Fees from unconsolidated investment entities:
Graphic Images, LLC – payment for printing services	(27,000)	(8,000)
The Bancorp, Inc. [Member]
Fees from unconsolidated investment entities:
Reimbursement of costs and expenses	28,000	45,000
9 Henmar LLC [Member]
Fees from unconsolidated investment entities:
9 Henmar, LLC – payment of broker/consulting fees	$ (19,000)	$ (18,000)