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Fair Value of Financial Intruments - Summary of outstanding interest rate swap agreements (Details) $ in Millions	Mar. 31, 2026 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Total notional amounts of interest rate swap agreements	$ 500.2
Derivative Asset	5.3
Unsecured term loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Mortgages and notes payable	$ 450.0
Fixed interest rate of derivative instrument	4.17%
Derivative Asset	$ 2.1
Mortgages payable | Hoboken
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Mortgages and notes payable	$ 50.2
Fixed interest rate of derivative instrument	3.67%
Derivative Asset	$ 3.2

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