SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Per Share Data (Details) - $ / shares	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Accounting Policies [Abstract]
Potentially dilutive securities	0	0
Class A Common Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Distributions declared per share (in dollars per share)	$ 0.06322500	$ 0.13610970
Distribution rate per share per day, declared (in dollars per share)	0.02107500	0.00151233
Class T Common Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Distributions declared per share (in dollars per share)	0.06322500	0.13610970
Distribution rate per share per day, declared (in dollars per share)	$ 0.02107500	$ 0.00151233

Common share, distribution rate per share per day, declared.

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- References

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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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.

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