Investments in Unconsolidated Entities - Summary of Combined Condensed Financial Data of Unconsolidated Entities (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Investment in real estate
Land		$ 38,412		$ 38,412			$ 65,009
Accumulated depreciation		(35,215)		(35,215)			(39,940)
Net investment in real estate		291,661		291,661			358,634
Cash and cash equivalents		71,802	$ 86,706	71,802	$ 86,706		85,206		$ 134,001
Total assets		575,707		575,707			677,774
Liabilities
Total liabilities		222,970		222,970			271,971
Members' Interest
Retained earnings (accumulated deficit)		(1,011,936)		(1,011,936)			(958,778)
Total equity		352,737	441,679	352,737	441,679	$ 382,450	405,803	$ 543,598	$ 563,164
Total liabilities and equity		575,707		575,707			677,774
Total revenue		4,653	4,216	9,252	9,989
Net loss		(28,506)	(101,227)	(50,708)	(120,212)
Unconsolidated Entities Including UTC JV [Member]
Investment in real estate
Land		27,992		27,992			27,992
Buildings and improvements		149,396		149,396			149,628
Accumulated depreciation		(14,669)		(14,669)			(11,943)
Investment in real estate, gross		162,719		162,719			165,677
Construction in progress		3,302		3,302			3,013
Net investment in real estate		166,021		166,021			168,690
Cash and cash equivalents		2,152		2,152			2,839
Tenant and other receivables, net		11,501		11,501			11,408
Other assets, net		10,590		10,590			11,131
Total assets		190,264		190,264			194,068
Liabilities
Accounts payable, accrued expenses and other liabilities		4,038		4,038			6,335
Total liabilities		4,038		4,038			6,335
Members' Interest
Total equity		186,226		186,226			187,733
Total liabilities and equity		190,264		190,264			194,068
Carrying value of Company's investments in equity investments		97,760		97,760			98,587
Total revenue		5,052	4,478	9,834	9,049
Property operating expenses		(641)	(1,561)	(1,289)	(2,346)
Depreciation and amortization		(1,692)	(1,565)	(3,257)	(3,040)
Operating income (loss)		2,719	1,352	5,288	3,663
Other expenses		(134)	(202)	(293)	(345)
Net loss		2,585	1,150	4,995	3,318
Equity in income (loss) of unconsolidated entities	[1]	1,328	612	2,606	1,734
Unconsolidated Entities [Member] | Unconsolidated Entities Excluding UTC JV [Member]
Investment in real estate
Land		82,214		82,214			88,153
Buildings and improvements		40,902		40,902			74,644
Accumulated depreciation		(9,561)		(9,561)			(30,854)
Investment in real estate, gross		113,555		113,555			131,943
Construction in progress		68,122		68,122			64,212
Net investment in real estate		181,677		181,677			196,155
Cash and cash equivalents		10,027		10,027			18,164
Tenant and other receivables, net		287		287			35
Other assets, net		17,088		17,088			17,921
Total assets		209,079		209,079			232,275
Liabilities
Accounts payable, accrued expenses and other liabilities		15,481		15,481			12,194
Total liabilities		15,481		15,481			12,194
Members' Interest
Total equity		193,598		193,598			220,081
Total liabilities and equity		209,079		209,079			232,275
Carrying value of Company's investments in equity investments		68,177		68,177			$ 91,112
Total revenue		695	695	984	894
Property operating expenses		(1,053)	(1,573)	(1,889)	(2,496)
Depreciation and amortization		(754)	(1,337)	(1,696)	(2,095)
Operating income (loss)		(1,112)	(2,215)	(2,601)	(3,697)
Other expenses		22	(125)	157	(107)
Gains (losses) and (impairments)			3		3
Net loss		(1,090)	(2,337)	(2,444)	(3,801)
Equity in income (loss) of unconsolidated entities	[2]	$ (572)	$ (1,178)	$ (9,778)	$ (1,921)

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

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