Organization - Additional Information (Detail) $ in Thousands, ft² in Millions					3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 13, 2025 USD ($) Property	Jul. 30, 2025 USD ($)	Feb. 02, 2023 USD ($)	Jul. 07, 2015 USD ($) JointVenture	Mar. 31, 2025 Property	Mar. 31, 2022 USD ($)	Jun. 30, 2025 USD ($) ft² Acres Property	Jun. 30, 2024 USD ($) Property	Dec. 31, 2022	Dec. 31, 2024 Property
Organization And Basis Of Presentation [Line Items]
Number of properties interested in the portfolio | Property							13
Number of acres held under development | Acres							198
Number of real estate properties | Property							1			0
Non cash deferred tax benefit due to revocation of REIT status						$ 161,300
Net cash (used in) provided by operating activities							$ 21,234	$ 24,152
Net cash (used in) provided by investing activities							46,087	57,362
Proceeds from sale of assets							$ 51,560	$ 83,040
Minimum percentage of outstanding common stock required for affirmative vote to approve plan of sale							66.67%
Term Loan Facility [Member]
Organization And Basis Of Presentation [Line Items]
Principal amount outstanding			$ 800,000				$ 200,000
Number of properties sold | Property							2
Proceeds from sale of assets							$ 60,700
Principal payment on loan			$ 230,000				$ 40,000
Debt instrument extended maturity term			2 years
Line of credit, extended maturity date			Jul. 31, 2025				Jul. 31, 2026
Line of credit, maturity date							Jul. 31, 2025
Term Loan Facility [Member] | Subsequent Event [Member]
Organization And Basis Of Presentation [Line Items]
Line of credit, extended maturity date		Jul. 31, 2026
Extension fees		$ 4,000
Incremental facility fee		$ 4,000
Fee on the outstanding balance Exercise of the extension option		2.00%
Minimum [Member]
Organization And Basis Of Presentation [Line Items]
Distribution of taxable income to qualify as REIT, percent							90.00%		90.00%
Voting and Support Agreement [Member] | Former Chairman [Member]
Organization And Basis Of Presentation [Line Items]
Percentage ownership of outstanding common shares after effect of exchange of operating partnership interest							23.90%
COVID-19 Pandemic [Member]
Organization And Basis Of Presentation [Line Items]
Net cash (used in) provided by operating activities							$ (21,200)
Net cash (used in) provided by investing activities							$ 46,100
Sears Holdings Corporation [Member]
Organization And Basis Of Presentation [Line Items]
Business acquisition fair value, purchase price				$ 2,700,000
Interests in joint ventures acquired				50.00%
Number of joint venture acquired | JointVenture				3
Unconsolidated Properties [Member]
Organization And Basis Of Presentation [Line Items]
Area of real estate property (in square feet) | ft²							0.5
Number of acres held under development | Acres							85
Number of properties sold | Property							2
Unconsolidated Properties [Member] | Subsequent Event [Member]
Organization And Basis Of Presentation [Line Items]
Number of properties sold | Property	3
Proceeds from sale of assets	$ 46,700
Consolidated Properties [Member] | Subsequent Event [Member]
Organization And Basis Of Presentation [Line Items]
Number of properties | Property	3
Real Estate Investment Trust [Member]
Organization And Basis Of Presentation [Line Items]
Area of real estate property (in square feet) | ft²							1.3
Real Estate Investment Trust [Member] | Unconsolidated Properties [Member]
Organization And Basis Of Presentation [Line Items]
Number of properties | Property								5
Real Estate Investment Trust [Member] | Wholly Owned Properties [Member]
Organization And Basis Of Presentation [Line Items]
Number of acres held under development | Acres							113
Real Estate Investment Trust [Member] | Consolidated Properties [Member]
Organization And Basis Of Presentation [Line Items]
Area of real estate property (in square feet) | ft²							0.8
Number of properties | Property					8