Management agreement, fees and transactions with related party (Details) - USD ($)	3 Months Ended
Jan. 31, 2016	Jan. 31, 2015	Oct. 31, 2015
Related Party Transaction [Line Items]
Asset management fees	$ 484,000	$ 486,000
Trustee fees and related interest payable in stock units	182,000
Secured loans receivable	$ 5,451,000		$ 5,451,000
Grande Rotunda, LLC [Member]
Related Party Transaction [Line Items]
Ownership by noncontrolling owners (percentage)	40.00%		40.00%
Ownership by parent (percentage)	60.00%		60.00%
Damascus Centre, LLC [Member]
Related Party Transaction [Line Items]
Ownership by noncontrolling owners (percentage)	30.00%		30.00%
Ownership by parent (percentage)	70.00%		70.00%
Managing Agent Hekemian & Co [Member]
Related Party Transaction [Line Items]
Asset management fees	$ 458,000	460,000
Leasing commissions and reimbursement of operating expenses	152,000	69,000
Insurance commissions	49,000	45,000
Robert S. Hekemian [Member]
Related Party Transaction [Line Items]
Trustee fees and related interest payable in stock units	128,000	132,000
Robert S. Hekemian, Jr. [Member]
Related Party Transaction [Line Items]
Trustee fees and related interest payable in stock units	17,000	16,000
Hekemian and Resources [Member]
Related Party Transaction [Line Items]
Redevelopment fees	$ 270,000	$ 482,000

The expense incurred to persons or entities for securing insurance coverage for properties and subsidiaries.

No definition available.

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- Definition

Amount of commissions expense incurred because the lessor of real estate obtained a lessee for a rental property through a real estate agent and generally recurring costs associated with operations.

+ References

No definition available.

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- Definition

The fee expense for real estate redevelopment.

+ References

No definition available.

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- Definition

Amount before allowance of commercial loans issued to businesses to acquire, develop, construct, improve, or refinance land or building. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(a))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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 FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5066-111524

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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- Definition

The aggregate costs related to management of owned properties during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(d))
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Fees charged annually for the professional services of a trustee, usually quoted as a percentage of the funds being managed. The fee for appointing an offshore Trustee is included in the trust price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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