Fair Value Disclosures (Level 4 loan UPB vs FV) (Details 1) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Aggregate unpaid principal and fair value of mortgage loans held for sale
Aggregate unpaid principal balance	$ 84,986	$ 62,765
Mortgage Loans on Real Estate, Commercial and Consumer, Net	86,386	63,175
Excess	1,400	410
Fair Value, Inputs, Level 2 [Member]
Aggregate unpaid principal and fair value of mortgage loans held for sale
Mortgage Loans on Real Estate, Commercial and Consumer, Net	$ 86,386	$ 63,175

The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 60

-Paragraph 47

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.1(c))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Subparagraph c

-Article 7

Name:	us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant