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COMMITMENTS AND CONTINGENCIES (Details) $ in Millions | 8 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 USD ($) property unit joint_venture | Apr. 30, 2018 USD ($) | Apr. 30, 2017 USD ($)
Real Estate Properties [Line Items] |  |  |
Number of real estate properties | property | 87 |  |
Redemption basis | 1 |  |
Number of consecutive trading days for valuation | 10 days |  |
Aggregate redemption value of Units of operating partnership owned by limited partners | $ | $ 68.4 | $ 74.7 | $ 95.1
Number of joint ventures with buy sell options | joint_venture | 1 |  |
Subject to Restrictions on Taxable Dispositions |  |  |
Real Estate Properties [Line Items] |  |  |
Number of real estate properties | property | 24 |  |
Number of apartment homes (approximately) | unit | 4,099 |  |
Real estate investment amount of properties (net of accumulated depreciation) | $ | $ 532.0 |  |
Southgate - Minot, ND |  |  |
Real Estate Properties [Line Items] |  |  |
Commitment period for joint venture acquisition | 4 years |  |

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- 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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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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