Area of a real estate property.

No definition available.

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- Definition

Amount of undisbursed portion of the loan receivable balance (loans in process). Excludes loans and leases covered under loss sharing agreements.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ 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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Data Type:	xbrli:integerItemType
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- Definition

The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=7501430&loc=d3e39896-112707

+ Details

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- Definition

Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

+ References

Reference 1: 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(d))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of real estate investments, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; (7) other real estate investments; (8) real estate joint ventures; and (9) unconsolidated real estate and other joint ventures not separately presented.

+ References

+ Details

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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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- Details

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Period Type:

COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands	3 Months Ended		6 Months Ended
COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands	Oct. 31, 2017 USD ($) ft² property item	Oct. 31, 2016 USD ($)	Oct. 31, 2017 USD ($) ft² property item	Oct. 31, 2016 USD ($)	Jul. 01, 2017 USD ($)	Apr. 30, 2017 USD ($)
Real Estate Properties [Line Items]
Property owned	$ 1,831,181		$ 1,831,181			$ 1,677,481
Total gross rental revenue from properties subject to purchase options	48,702	$ 45,859	96,349	$ 90,844
Loan commitment	$ 10,100		$ 10,100		$ 16,200
Subject to Restrictions on Taxable Dispositions [Member]
Real Estate Properties [Line Items]
Number of properties \| property	28		28
Area of real estate property \| ft²	472,000		472,000
Number of apartment units \| item	3,438		3,438
Real estate investment amount of properties (net of accumulated depreciation)	$ 323,700		$ 323,700