Investments in Foreclosed Real Estate and Distressed Loans (Details) - USD ($) $ in Thousands	Jul. 31, 2015	Apr. 30, 2015	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Oct. 31, 2013
Investments in Distress Loans and Foreclosed Real Estate [Abstract]
Real Estate Acquired Through Foreclosure	$ 57,524	$ 63,680	$ 69,799	$ 79,319	$ 76,652	$ 72,972
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	1,935		4,001
Investments in foreclosed real estate and distressed loans	$ 59,459		$ 73,800

Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5162-111524

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4437-111522

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 28

-Article 12

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule III

-Article 5

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