MERGER AND SELF-MANAGEMENT TRANSACTION MERGER AND SELF-MANAGEMENT TRANSACTION - Other Intangible Assets Acquired (Details) - BrixInvest	12 Months Ended
Dec. 31, 2019 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 7,700,000
Customer list
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-Average Useful Life	5 years 1 day
Amount	$ 4,800,000
Web services technology, domains and licenses
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-Average Useful Life	3 years 1 day
Amount	$ 2,900,000

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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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
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