The amount of expenditures for a real estate projects that has been placed in service as of period end.

No definition available.

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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.

+ Details

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- Definition

Amount of facility held for productive use including, but not limited to, office, production, storage and distribution facilities, acquired at the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472

+ Details

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- Definition

Amount of real estate acquired, at the acquisition date.

+ References

+ Details

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- Definition

The capitalized costs incurred during the period (excluded from amortization) to obtain access to proved reserves and to provide facilities for extracting, treating, gathering and storing the oil and gas.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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=50486907&loc=d3e511914-122862

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10(a)(7))
-URI http://asc.fasb.org/extlink&oid=50486907&loc=d3e511914-122862

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-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=50486907&loc=d3e511914-122862

+ Details

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

+ Details

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- Definition

The number of units in a real estate property owned as of the balance sheet date.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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ACQUISITIONS, DEVELOPMENTS PLACED IN SERVICE, AND DISPOSITIONS - Development Projects Placed In Service (Details) - Development Projects Placed in Service [Member] $ in Thousands	12 Months Ended	24 Months Ended
	Apr. 30, 2017 USD ($)	Apr. 30, 2016 USD ($)	Jan. 31, 2018 USD ($)	Jan. 31, 2017 USD ($) unit
Business Acquisition [Line Items]
Development cost			$ 0	$ 72,363
Land				4,721
Building				67,642
Development cost			$ 0	72,363
Multi-Family Residential [Member] \| 71 France - Edina, MN [Member]
Business Acquisition [Line Items]
Development cost				$ 72,363
Number of apartment units \| unit				241
Land				$ 4,721
Building				67,642
Development cost				$ 72,363
Development costs paid	$ 1,500	$ 70,900
Interest in joint venture			52.60%