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EQUITY METHOD INVESTMENTS IN REAL ESTATE VENTURES CARRIED AT FAIR VALUE - Schedule of Investments in Real Estate Ventures (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Equity Method Investment and Joint Venture, Fair Value Change [Roll Forward]
Fair value investments, beginning balance	$ 8,421
Investments	0	$ 10,506
Distributions	(103)	0
Change in fair value	(193)	(560)
Fair value investments, ending balance	6,307	8,421
Level 3
Equity Method Investment and Joint Venture, Fair Value Change [Roll Forward]
Fair value investments, beginning balance	8,421	0
Distributions	(1,921)	(1,525)
Change in fair value	(193)	(560)
Fair value investments, ending balance	$ 6,307	$ 8,421

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