VARIABLE INTEREST ENTITIES FAIR VALUE OF FINANCIAL INSTRUMENTS (Assets and Liabilities, Quantitative Information) (Details) RSO (USD $) In Thousands, unless otherwise specified									12 Months Ended
	Sep. 30, 2012 Nonrecurring [Member]	Sep. 30, 2011 Nonrecurring [Member]	Sep. 30, 2012 Nonrecurring [Member] Level 1 [Member]	Sep. 30, 2011 Nonrecurring [Member] Level 1 [Member]	Sep. 30, 2012 Nonrecurring [Member] Level 2 [Member]	Sep. 30, 2011 Nonrecurring [Member] Level 2 [Member]	Sep. 30, 2012 Nonrecurring [Member] Level 3 [Member]	Sep. 30, 2011 Nonrecurring [Member] Level 3 [Member]	Dec. 31, 2012 RSO [Member] Level 3 [Member] Impaired Loans [Member] Discounted Cash Flow [Member]	Dec. 31, 2012 RSO [Member] Level 3 [Member] Interest Rate Swap Agreements [Member] Discounted Cash Flow [Member]	Dec. 31, 2012 RSO [Member] Nonrecurring [Member]	Dec. 31, 2011 RSO [Member] Nonrecurring [Member]	Dec. 31, 2012 RSO [Member] Nonrecurring [Member] Level 1 [Member]	Dec. 31, 2011 RSO [Member] Nonrecurring [Member] Level 1 [Member]	Dec. 31, 2012 RSO [Member] Nonrecurring [Member] Level 2 [Member]	Dec. 31, 2011 RSO [Member] Nonrecurring [Member] Level 2 [Member]	Dec. 31, 2012 RSO [Member] Nonrecurring [Member] Level 3 [Member]	Dec. 31, 2011 RSO [Member] Nonrecurring [Member] Level 3 [Member]
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Loans held for sale, fair value											$ 48,894	$ 3,154	$ 0	$ 0	$ 14,894	$ 3,154	$ 34,000	$ 0
Impaired loans, fair value											25,366	1,099	0	0	4,366	1,099	21,000	0
Total assets at fair value	55,526	19,251	0	0	727	0	54,799	19,251	21,000		74,260	4,253	0	0	19,260	4,253	55,000	0
Interest rate swap agreements										$ 14,687
Cap rate (in hundredths)									10.00%
Weighted average credit spreads (in hundredths)										4.98%