RELATED PARTY TRANSACTIONS - Joint Venture Agreement (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Related Party Transaction [Line Items]
Due to affiliates	$ 246	$ 217
Limited Liability Company \| Joint Venture Agreement \| BTC Partnership
Related Party Transaction [Line Items]
Acquisition and asset management fee incurred	11,100	7,500	$ 5,800
Due to affiliates	$ 10,150	$ 200

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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