Investments in Unconsolidated Entities - Summary of Combined Financial Data of Unconsolidated Entities (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Investment in real estate
Land		$ 65,009	$ 102,090
Accumulated depreciation		(39,940)	(36,025)
Net investment in real estate		358,634	546,342
Cash and cash equivalents		85,206	134,001	$ 133,480
Total assets		677,774	973,864
Liabilities
Total liabilities		271,971	410,700
Member's Interests
Retained earnings (accumulated deficit)		(958,778)	(800,342)
Total equity		405,803	563,164	$ 722,599
Total liabilities and equity		677,774	973,864
Total revenue		17,622	20,779
Net loss		(153,536)	(154,911)
Unconsolidated Entities Including UTC JV [Member]
Investment in real estate
Land		27,992	27,992
Buildings and improvements		158,229	149,625
Accumulated depreciation		(11,943)	(6,592)
Investment in real estate, gross		174,278	171,025
Construction in progress		3,013	2,362
Net investment in real estate		177,291	173,387
Cash and cash equivalents		2,839	7,355
Tenant and other receivables, net		11,408	11,289
Other assets, net		893	11,927
Total assets		192,431	203,958
Liabilities
Accounts payable, accrued expenses and other liabilities		4,698	18,133
Total liabilities		4,698	18,133
Member's Interests
Total equity		187,733	185,825
Total liabilities and equity		192,431	203,958
Carrying value of Company's investments in equity investments		98,587	97,018
Total revenue		17,712	15,489
Property operating expenses		(3,450)	(2,986)
Depreciation and amortization		(6,252)	(5,341)
Operating income (loss)		8,010	7,162
Other expenses		(875)	(1,965)
Net loss		7,135	5,197
Equity in income (loss) of unconsolidated entities	[1]	3,716	851
Unconsolidated Entities [Member] | Unconsolidated Entities Excluding UTC JV [Member]
Investment in real estate
Land		88,153	117,439
Buildings and improvements		74,644	96,016
Accumulated depreciation		(30,854)	(43,070)
Investment in real estate, gross		131,943	170,385
Construction in progress		64,212	104,866
Net investment in real estate		196,155	275,251
Cash and cash equivalents		18,164	2,795
Tenant and other receivables, net		35	6
Other assets, net		17,921	34,098
Total assets		232,275	312,150
Liabilities
Accounts payable, accrued expenses and other liabilities		12,194	65,522
Total liabilities		12,194	65,522
Member's Interests
Total equity		220,081	246,628
Total liabilities and equity		232,275	312,150
Carrying value of Company's investments in equity investments		91,112	99,419
Total revenue		1,454	10,188
Property operating expenses		(5,087)	(6,588)
Depreciation and amortization		(4,215)	(12,104)
Operating income (loss)		(7,848)	(8,504)
Other expenses		(187)	(697)
Gains (losses) and (impairments)		(13,537)	(154,938)
Net loss		(21,572)	(164,139)
Equity in income (loss) of unconsolidated entities	[2]	$ (6,870)	$ (56,708)

[1] Equity in loss of unconsolidated entities on the consolidated statements of operations includes basis difference adjustments.

[2] Equity in loss of unconsolidated entities on the consolidated statements of operations includes basis difference adjustments.