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v3.7.0.1

SUBSEQUENT EVENTS (Details) $ / shares in Units, $ in Millions |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 19, 2017 USD ($) | May 26, 2017 USD ($) item | May 15, 2017 USD ($) | Apr. 30, 2017 | Jun. 05, 2017 $ / shares
Common Shares and Limited Partnership Units [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Record Date |  |  |  | Jun. 22, 2017 |
Payment Date |  |  |  | Jul. 03, 2017 |
Series B Preferred Stock [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Record Date |  |  |  | Jun. 22, 2017 |
Payment Date |  |  |  | Jun. 30, 2017 |
Subsequent Event [Member] | Common Shares and Limited Partnership Units [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Quarterly amount per share or unit (in dollars per share) | $ / shares |  |  |  |  | $ 0.0700
Subsequent Event [Member] | Series B Preferred Stock [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Quarterly amount per share or unit (in dollars per share) | $ / shares |  |  |  |  | $ 0.4968
Subsequent Event [Member] | Multi-Family Residential [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of apartment units | item |  | 191 |  |  |
Total acquisition costs |  | $ 61.5 |  |  |
Subsequent Event [Member] | Retail [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Sale price |  |  | $ 3.4 |  |
Subsequent Event [Member] | Commercial Healthcare [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Sales price of pending disposition | $ 2.1 |  |  |  |

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