Income taxes (Details) - USD ($)	12 Months Ended
Oct. 31, 2018	Oct. 31, 2017
Deferral of capital gain on sale of property from qualification as like-kind exchange of real estate pursuant to Section 1031 of the Internal Revenue Code		$ 15,400,000
Amount by which tax basis of replacement property in like-kind exchange is lower than acquisition cost		18,900,000
Acquisition cost		$ 19,600,000
Subsequent Event [Member]
Ordinary taxable income distributed as dividends (percentage)	100.00%

Amount by which tax basis of replacement property in like-kind exchange is lower than acquisition cost.

No definition available.

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- Definition

Deferral of capital gain on sale of property from qualification as like-kind exchange of real estate pursuant to Section 1031 of the Internal Revenue Code.

+ References

No definition available.

+ Details

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- Definition

The total percentage of ordinary taxable income declared as dividends in the period.

+ References

No definition available.

+ Details

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- Definition

The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10(c)(7)(ii))
-URI http://asc.fasb.org/extlink&oid=82851474&loc=d3e511914-122862

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10(c)(3)(ii)(A))
-URI http://asc.fasb.org/extlink&oid=82851474&loc=d3e511914-122862

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