Fair Value Disclosures (Level 4 loan UPB vs FV) (Details 1) - USD ($) $ in Thousands	Oct. 31, 2016	Oct. 31, 2015
Aggregate unpaid principal and fair value of mortgage loans held for sale
Mortgage Loans on Real Estate, Commercial and Consumer, Net	$ 248,601	$ 123,175
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Assets Held-for-sale [Member] \| Residential Mortgage [Member]
Aggregate unpaid principal and fair value of mortgage loans held for sale
Loans Receivable Held-for-sale, Amount	246,794	121,904
Mortgage Loans on Real Estate, Commercial and Consumer, Net	248,601	123,175
Fair Value, Option, Aggregate Differences, Loans and Long-term Receivables	$ 1,807	$ 1,271

Aggregate unpaid principal and fair value of mortgage loans held for sale.

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- Definition

This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans and long-term receivables (other than securities categorized as trading, available-for-sale or held-to-maturity) that have contractual principal amounts and for which the fair value option has been elected.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612

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- Definition

The face amount of loans that will be sold to other entities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

+ Details

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- Definition

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.

+ References

Reference 1: 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

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