RELATED-PARTY TRANSACTIONS AND ARRANGEMENTS (Due to/from Affiliates) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Due to affiliates	$ 12,609	$ 14,458
Advisors
Related Party Transaction [Line Items]
Due to affiliates	$ 12,600	$ 14,500

Amount of payable due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

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