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Investments in Real Estate Ventures - Schedule of Investments in Real Estate Ventures (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Equity Method Investment and Joint Venture, Fair Value Change [Roll Forward]
Fair value investments, beginning balance			$ 7,013
Distributions			(44)	$ 0
Change in fair value	$ 241	$ 31	720	$ (238)
Fair value investments, ending balance	5,984		5,984
Fair Value, Inputs, Level 3
Equity Method Investment and Joint Venture, Fair Value Change [Roll Forward]
Fair value investments, beginning balance			7,013
Investments			89
Distributions			(379)
Change in fair value			(739)
Fair value investments, ending balance	$ 5,984		$ 5,984

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