Mortgages and Notes Payable (Details)	3 Months Ended
	Mar. 31, 2024 USD ($) extension	Mar. 31, 2023 USD ($)	Apr. 16, 2024 USD ($)	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Mortgages and notes payable	$ 3,262,327,000			$ 3,213,206,000
Unamortized debt issuance costs	(16,920,000)			(17,739,000)
Loss on debt extinguishment	$ (173,000)	$ 0
Maximum liquidity requirements	1 year
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity on credit facility	$ 750,000,000
Number of additional extensions | extension	2
Term of optional extension	6 months
Temporary reduction in interest rate due to sustainability goals (in hundredths)	0.025%
Debt issuance costs	$ 7,700,000
Loss on debt extinguishment	(200,000)
Amount outstanding on revolving credit facility	70,000,000
Outstanding letters of credit on revolving credit facility	100,000
Unused borrowing capacity on revolving credit facility	679,900,000
Secured indebtedness [Member]
Debt Instrument [Line Items]
Mortgages and notes payable	718,648,000			720,752,000
Aggregate undepreciated book value of secured real estate assets	1,239,000,000
Unsecured indebtedness [Member]
Debt Instrument [Line Items]
Mortgages and notes payable	$ 2,560,599,000			$ 2,510,193,000
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Facility interest rate basis	SOFR
Interest rate, basis spread (in hundredths)	0.85%
Annual facility fee (in hundredths)	0.20%
SOFR Related Spread Adjustment [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate, basis spread (in hundredths)	0.10%
Subsequent Event [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Amount outstanding on revolving credit facility			$ 10,000,000
Outstanding letters of credit on revolving credit facility			100,000
Unused borrowing capacity on revolving credit facility			$ 739,900,000