Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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- Definition

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

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Cash outflow related to amounts given in advance to show or confirm an intention to complete an acquisition of land, buildings, other structures, or any item classified as real estate.

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SUBSEQUENT EVENTS (Details) $ in Thousands	2 Months Ended	9 Months Ended
SUBSEQUENT EVENTS (Details) $ in Thousands	Apr. 30, 2018 USD ($) unit	Jan. 31, 2018 USD ($)	Jan. 31, 2017 USD ($)	Mar. 07, 2018 USD ($)
Subsequent Event [Line Items]
Payments for real estate deposits		$ 131,139	$ 1,370
Scenario, Forecast [Member] \| Westend - Denver CO [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Number of apartment units \| unit	390
Total acquisition costs	$ 128,700
Payments for real estate deposits	$ 10,000
Unimproved Land [Member] \| Disposed of by Sale [Member] \| Bismarck ND [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Sale price				$ 5,500