Investments in Real Estate - Narrative (Details) $ in Thousands, ft² in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2024 USD ($) a ft² property	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Sep. 30, 2023 USD ($) property	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Sep. 30, 2024 USD ($) a ft² property	Sep. 30, 2023 USD ($) property
Investment in Properties
Rental revenues and tenant expense reimbursements	$ 99,635			$ 82,920			$ 278,912	$ 237,106
Net income	36,639	$ 35,696	$ 36,059	30,315	$ 40,254	$ 23,331	108,394	93,900
Capitalized interest associated with redevelopment activities	$ 2,700			2,600			$ 8,700	5,500
Building
Investment in Properties
Number of properties (property) | property	294						294
Building | Scenario, Plan
Investment in Properties
Number of properties acquired (property) | property							3
Area of real estate property acquired (square feet) | ft²	0.7						0.7
Redevelopment Property
Investment in Properties
Number of properties (property) | property	8						8
Land Entitled for Future Development
Investment in Properties
Area of land (acre) | a	35.4						35.4
Completed Redevelopments
Investment in Properties
Number of properties (property) | property	3						3
Building | Redevelopment Property
Investment in Properties
Number of properties (property) | property	9						9
Improved Land Parcels | Redevelopment Property
Investment in Properties
Number of properties (property) | property	1						1
Asset Acquisitions 2024
Investment in Properties
Rental revenues and tenant expense reimbursements	$ 9,100						$ 15,600
Net income	$ 2,800						$ 5,600
Asset Acquisitions 2024 | Industrial Building
Investment in Properties
Number of properties acquired (property) | property	1						4
Asset acquisitions, assets acquired and liabilities assumed, net	$ 7,900						$ 499,400
Finite-lived intangible assets acquired							31,400
Asset acquisition, liabilities							$ 22,400
Area of real estate property (square feet) | ft²	0.9						0.9
Asset Acquisitions 2024 | Land | Industrial Building
Investment in Properties
Asset acquisition, property additions	$ 5,200						$ 318,200
Asset Acquisitions 2024 | Building | Industrial Building
Investment in Properties
Asset acquisition, property additions	$ 2,700						$ 149,800
Asset Acquisitions 2023
Investment in Properties
Rental revenues and tenant expense reimbursements				4,400				8,600
Net income				$ 1,500				$ 2,700
Asset Acquisitions 2023 | Industrial Building
Investment in Properties
Number of properties acquired (property) | property				1				5
Asset acquisitions, assets acquired and liabilities assumed, net				$ 16,500				$ 437,000
Finite-lived intangible assets acquired				2,800				21,700
Asset acquisition, liabilities				2,100				45,100
Asset acquisition, consideration transferred				40,600
Asset Acquisitions 2023 | Land | Industrial Building
Investment in Properties
Asset acquisition, property additions				$ 13,700				267,400
Asset Acquisitions 2023 | Building | Industrial Building
Investment in Properties
Asset acquisition, property additions								$ 147,900