Income taxes (Details) - Subsequent Event [Member] $ in Millions	12 Months Ended
Oct. 31, 2019 USD ($)
Ordinary taxable income distributed as dividends (percentage)	100.00%
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	$ 15.4
Amount by which tax basis of replacement property in like-kind exchange is lower than acquisition cost	18.9
Acquisition cost	$ 19.6

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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