FAIR VALUE, Assets at Fair Value on Nonrecurring Basis (Details) (Measured at fair value on a nonrecurring basis [Member], USD $)	12 Months Ended
	Sep. 30, 2011		Sep. 30, 2010
Assets at fair value on a nonrecurring basis:
Bank loans, net	$ 151,562,000	[1]	$ 128,936,000	[1]
OREO	11,278,000	[2]	19,431,000	[2]
Additional provision for loan losses due to fair value adjustment	27,600,000
Charge-offs due to fair value adjustment	4,600,000
Quoted prices in active markets for identical assets (Level 1) [Member]
Assets at fair value on a nonrecurring basis:
Bank loans, net	0	[1]	0	[1]
OREO	0	[2]	0	[2]
Significant other observable inputs (Level 2) [Member]
Assets at fair value on a nonrecurring basis:
Bank loans, net	39,621,000	[1]	1,901,000	[1]
OREO	11,278,000	[2]	19,431,000	[2]
Significant unobservable inputs (Level 3) [Member]
Assets at fair value on a nonrecurring basis:
Bank loans, net	111,941,000	[1],[3]	127,035,000	[1],[3]
OREO	$ 0	[2]	$ 0	[2]

[1] Includes individual loans classified as held for sale, which were recorded at a fair value lower than cost.

[2] Represents the fair value of foreclosed properties which were measured at a fair value subsequent to their initial classification as OREO. The recorded value in the Consolidated Statements of Financial Condition is net of the estimated selling costs.

[3] At September 30, 2011 and 2010, the Level 3 assets, include residential first mortgage nonaccrual loans for which a charge-off had been recorded. See Note 7 for further information.