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Note 9 - Mortgage Loans Held for Sale - Loan Origination Reserves (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2018	Jul. 31, 2017
Loan origination reserves, beginning of period	$ 3,271	$ 3,782	$ 3,158	$ 8,137
Provisions for losses during the period	39	41	107	120
Adjustments to pre-existing provisions for losses from changes in estimates		(51)	45	(4,485)
Loan origination reserves, end of period	$ 3,310	$ 3,772	$ 3,310	$ 3,772

X

- Definition

Amount of other addition (reduction) in allowance reserve for credit loss.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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X

- Definition

Amount of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, written down.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Footnote 7))
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

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X

- Definition

Amount of expense related to estimated loss from loan and lease transactions.

+ References

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-Publisher FASB
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-Topic 230
-SubTopic 10
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