Investments in Distressed Loans and Foreclosed Real Estate Investments in Distressed Loans and Foreclosed Real Estate (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2015	Oct. 31, 2014	Jan. 31, 2014	Oct. 31, 2013
Investments in Distress Loans and Foreclosed Real Estate [Abstract]
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	$ 4,001	$ 4,001
Real Estate Acquired Through Foreclosure	66,934	69,799	79,267	72,972
Investments in distressed loans and foreclosed real estate	$ 70,935	$ 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 45

-Paragraph 3

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 28

-Article 12

Reference 3: 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

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