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Investments in Real Estate Ventures - Schedule of Investments in Real Estate Ventures (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Equity Method Investment and Joint Venture, Fair Value Change [Roll Forward]
Fair value investments, beginning balance	$ 6,307
Distributions	0	$ (103)
Change in fair value	14	160
Fair value investments, ending balance	4,702	6,307
Level 3
Equity Method Investment and Joint Venture, Fair Value Change [Roll Forward]
Fair value investments, beginning balance	6,307	8,421
Investments	2,058	0
Distributions	(3,522)	(1,921)
Change in fair value	(141)	(193)
Fair value investments, ending balance	$ 4,702	$ 6,307

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