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NONCONTROLLING INTERESTS (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($) property Joint_Venture
Noncontrolling Interest [Line Items]
Number of consolidated joint ventures | Joint_Venture	9
Minimum
Noncontrolling Interest [Line Items]
Noncontrolling interest ownership	1.20%
Maximum
Noncontrolling Interest [Line Items]
Noncontrolling interest ownership	29.40%
Operating Partnership
Noncontrolling Interest [Line Items]
Decrease in noncontrolling interest in Operating Partnership | $	$ 0.7
Consolidated Joint Venture
Noncontrolling Interest [Line Items]
Number of real estate properties	40
Consolidated Joint Venture | Office building
Noncontrolling Interest [Line Items]
Number of real estate properties	21
Consolidated Joint Venture | Industrial Properties
Noncontrolling Interest [Line Items]
Number of real estate properties	2
Consolidated Joint Venture | Condominium
Noncontrolling Interest [Line Items]
Number of real estate properties	1
Consolidated Joint Venture | Apartment Building
Noncontrolling Interest [Line Items]
Number of real estate properties	1

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- Definition

Number of Consolidated Joint Ventures

+ References

No definition available.

+ 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

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

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- Definition

Net Increase or Decrease in balance of noncontrolling interest in the subsidiary during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683

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- Definition

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

+ References

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