Notes and Bonds Payable - Schedule of Debt (Details) - USD ($)	1 Months Ended
	Jan. 31, 2025	Apr. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Notes and bonds payable			$ 4,732,618,000	$ 4,662,771,000
Mortgage notes payable | Minimum
Debt Instrument [Line Items]
Effective interest rate			3.57%
Mortgage notes payable | Maximum
Debt Instrument [Line Items]
Effective interest rate			6.88%
Line of credit | $1.5 billion Unsecured Credit Facility
Debt Instrument [Line Items]
Notes and bonds payable			$ 94,000,000	0
Effective interest rate			5.27%
Available to be drawn debt amount			$ 1,400,000,000
Credit facility			1,500,000,000
Medium-term notes | $200 million Unsecured Term Loan
Debt Instrument [Line Items]
Notes and bonds payable			$ 174,958,000	199,896,000
Effective interest rate			5.37%
Face amount	$ 200,000,000		$ 200,000,000
Repayments of debt	25,000,000
Medium-term notes | $200 million Unsecured Term Loan | Subsequent event
Debt Instrument [Line Items]
Debt fees		$ 100,000
Face amount		$ 200,000,000
Medium-term notes | $300 million Unsecured Term Loan
Debt Instrument [Line Items]
Notes and bonds payable			$ 289,987,000	299,981,000
Effective interest rate			5.37%
Face amount	300,000,000		$ 300,000,000
Repayments of debt	$ 10,000,000
Medium-term notes | $150 million Unsecured Term Loan
Debt Instrument [Line Items]
Notes and bonds payable			$ 149,827,000	149,790,000
Effective interest rate			5.37%
Face amount			$ 150,000,000
Medium-term notes | $200 million Unsecured Term Loan
Debt Instrument [Line Items]
Notes and bonds payable			$ 199,676,000	199,641,000
Effective interest rate			5.37%
Face amount			$ 200,000,000
Medium-term notes | $300 million Unsecured Term Loan
Debt Instrument [Line Items]
Notes and bonds payable			$ 298,812,000	298,708,000
Effective interest rate			5.37%
Face amount			$ 300,000,000
Senior notes | Senior Notes due 2025
Debt Instrument [Line Items]
Notes and bonds payable			$ 249,967,000	249,868,000
Effective interest rate			4.12%
Senior notes | Senior Notes due 2026
Debt Instrument [Line Items]
Notes and bonds payable			$ 588,837,000	586,824,000
Effective interest rate			4.94%
Senior notes | Senior Notes due 2027
Debt Instrument [Line Items]
Notes and bonds payable			$ 489,231,000	488,104,000
Effective interest rate			4.76%
Senior notes | Senior Notes due 2028
Debt Instrument [Line Items]
Notes and bonds payable			$ 298,183,000	298,029,000
Effective interest rate			3.85%
Senior notes | Senior Notes due 2030
Debt Instrument [Line Items]
Notes and bonds payable			$ 588,763,000	586,028,000
Effective interest rate			5.30%
Senior notes | Senior Notes due 2030
Debt Instrument [Line Items]
Notes and bonds payable			$ 297,294,000	297,190,000
Effective interest rate			2.72%
Senior notes | Senior Notes due 2031
Debt Instrument [Line Items]
Notes and bonds payable			$ 296,472,000	296,343,000
Effective interest rate			2.25%
Senior notes | Senior Notes due 2031
Debt Instrument [Line Items]
Notes and bonds payable			$ 671,804,000	667,233,000
Effective interest rate			5.13%
Mortgages | Mortgage notes payable
Debt Instrument [Line Items]
Notes and bonds payable			$ 44,807,000	$ 45,136,000