Organization - Additional Information (Detail) $ in Thousands, ft² in Millions					3 Months Ended
	May 10, 2022 USD ($) Property	May 09, 2022 USD ($) Property	Nov. 24, 2021 USD ($)	Jul. 07, 2015 USD ($) JointVenture	Mar. 31, 2022 USD ($) ft² Acres Property	Mar. 31, 2021 USD ($)	Jul. 31, 2018 USD ($)
Organization And Basis Of Presentation [Line Items]
Number of properties interested in the portfolio | Property					161
Non cash deferred tax benefit due to revocation of REIT status					$ 160,300
Net cash (used in) provided by operating activities					30,048	$ 23,097
Net cash (used in) provided by investing activities					(21,521)	18,515
Term loan principal pay down amount to extend term loan					640,000
Proceeds from sale of assets					8,467	$ 55,221
Assets marketing or about to bring to market for sale, estimated fair value					636,300
Subsequent Event [Member]
Organization And Basis Of Presentation [Line Items]
Number of properties held for sale | Property		9
Anticipated proceeds from sale of real estate property		$ 85,000
Number of assets sold | Property	7
Proceeds from sale of assets	$ 74,700
Term Loan Facility [Member]
Organization And Basis Of Presentation [Line Items]
Principal amount outstanding					$ 1,440,000
Term Loan Facility [Member] | Berkshire Hathaway [Member]
Organization And Basis Of Presentation [Line Items]
Principal amount outstanding							$ 2,000,000
Debt instrument extended maturity term			2 years
Debt instrument, expiration date			Jul. 31, 2023
Debt instrument extended maturity date			Jul. 31, 2025
Principal reduced by maturity date			$ 800,000
Line of credit, maturity date					Jul. 31, 2023
Minimum [Member]
Organization And Basis Of Presentation [Line Items]
Distribution of taxable income to qualify as REIT, percent					90.00%
COVID-19 Pandemic [Member]
Organization And Basis Of Presentation [Line Items]
Expected future rent, description					Company had collected 96% of
Net cash (used in) provided by operating activities					$ 30,000
Net cash (used in) provided by investing activities					$ 21,500
COVID-19 Pandemic [Member] | March 2021 [Member]
Organization And Basis Of Presentation [Line Items]
Percent of contractual rental income collected					96.00%
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					3.8
Number of acres held under development | Acres					600
Consolidated Properties [Member] | Holdco Master Lease [Member]
Organization And Basis Of Presentation [Line Items]
Number of consolidated properties | Property					5
Real Estate Investment Trust [Member]
Organization And Basis Of Presentation [Line Items]
Area of real estate property (in square feet) | ft²					19.0
Real Estate Investment Trust [Member] | Unconsolidated Properties [Member]
Organization And Basis Of Presentation [Line Items]
Area of real estate property (in square feet) | ft²					8.8
Number of acres | Acres					740
Number of properties | Property					25
Real Estate Investment Trust [Member] | Wholly Owned Properties [Member]
Organization And Basis Of Presentation [Line Items]
Area of real estate property (in square feet) | ft²					15.2
Number of wholly owned properties | Property					136