Investments in Distressed Loans and Foreclosed Real Estate (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012	Oct. 31, 2012	Dec. 28, 2011
Investment in non-performing loan portfolios
Impaired Financing Receivable, Unpaid Principal Balance	$ 88,890		$ 88,890		$ 99,693
Discount on acquired loans	46,390		46,390		62,524
Investments in distressed loans	42,500		42,500		37,169
Summary of accretable yield and nonaccretable difference on investments in non-performing loans portfolios
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Contractually Required Payments Receivable at Acquisition	0		0			58,234
Nonaccretable difference						(8,235)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition						49,999
Certain loans acquired in transfer not accouted for as debt security,acquisition date accret cash flow						(20,514)
Non-performing loans carrying amount						29,485
Activity in accretable yield for investment in non-performing loan portfolios
Begining balance	11,229	49,256	17,196	42,326
Certain Loans Acquired in Transfer Not Accounted for as a Debt Security, Accret Dff, at acquistion				20,514
Additions	541	1,297	706	4,221
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Disposals of Loans	2,418	14,141	6,027	24,090
Accretions	(987)	(2,655)	(3,510)	(9,214)
Ending balance	8,365	33,757	8,365	33,757
Schedule of changes in real estate owned [Roll Forward]
Real Estate Owned - total beginning of period	71,458	18,108	58,353	5,939
Real Estate Owned Additions	5,855	20,861	20,172	33,663
Real Estate Owned, Sales	3,801	731	(4,713)	(1,346)
Real Estate Owned, Impairments	490	126	(505)	(126)
Real Estate Held And Used Depreciation	(110)	(120)	(395)	(138)
Real Estate Owned - total end of period	$ 72,912	$ 37,992	$ 72,912	$ 37,992