Notes and Bonds Payable - Schedule of Debt (Details) - USD ($)	1 Months Ended
	May 31, 2025	Jan. 31, 2025	Jun. 30, 2025	Apr. 08, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Notes and bonds payable			$ 4,694,391,000		$ 4,662,771,000
Line of credit | $1.5 billion Unsecured Credit Facility
Debt Instrument [Line Items]
Notes and bonds payable			$ 295,000,000		0
Effective interest rate			5.27%
Available to be drawn debt amount			$ 1,200,000,000
Credit facility			1,500,000,000
Medium-term notes | $200 million Unsecured Term Loan
Debt Instrument [Line Items]
Face amount		$ 200,000,000	200,000,000	$ 200,000,000
Notes and bonds payable			$ 174,879,000		199,896,000
Effective interest rate			5.36%
Repayments of debt		25,000,000
Medium-term notes | $300 million Unsecured Term Loan
Debt Instrument [Line Items]
Face amount		300,000,000	$ 300,000,000
Notes and bonds payable			$ 289,992,000		299,981,000
Effective interest rate			5.36%
Repayments of debt		$ 10,000,000
Medium-term notes | $150 million Unsecured Term Loan
Debt Instrument [Line Items]
Face amount			$ 150,000,000
Notes and bonds payable			$ 149,864,000		149,790,000
Effective interest rate			5.36%
Medium-term notes | $200 million Unsecured Term Loan
Debt Instrument [Line Items]
Face amount			$ 200,000,000
Notes and bonds payable			$ 199,710,000		199,641,000
Effective interest rate			5.36%
Medium-term notes | $300 million Unsecured Term Loan
Debt Instrument [Line Items]
Face amount			$ 300,000,000
Notes and bonds payable			$ 298,917,000		298,708,000
Effective interest rate			5.36%
Senior notes | Senior Notes due 2025
Debt Instrument [Line Items]
Notes and bonds payable			$ 0		249,868,000
Effective interest rate			4.12%
Repayments of debt	$ 250,000,000
Accrued interest	$ 4,800,000
Senior notes | Senior Notes due 2026
Debt Instrument [Line Items]
Notes and bonds payable			$ 590,874,000		586,824,000
Effective interest rate			4.94%
Senior notes | Senior Notes due 2027
Debt Instrument [Line Items]
Notes and bonds payable			$ 490,371,000		488,104,000
Effective interest rate			4.76%
Senior notes | Senior Notes due 2028
Debt Instrument [Line Items]
Notes and bonds payable			$ 298,338,000		298,029,000
Effective interest rate			3.85%
Senior notes | Senior Notes due 2030
Debt Instrument [Line Items]
Notes and bonds payable			$ 591,535,000		586,028,000
Effective interest rate			5.30%
Senior notes | Senior Notes due 2030
Debt Instrument [Line Items]
Notes and bonds payable			$ 297,398,000		297,190,000
Effective interest rate			2.72%
Senior notes | Senior Notes due 2031
Debt Instrument [Line Items]
Notes and bonds payable			$ 296,603,000		296,343,000
Effective interest rate			2.25%
Senior notes | Senior Notes due 2031
Debt Instrument [Line Items]
Notes and bonds payable			$ 676,434,000		667,233,000
Effective interest rate			5.13%
Mortgages | Mortgage notes payable
Debt Instrument [Line Items]
Notes and bonds payable			$ 44,476,000		$ 45,136,000
Mortgages | Mortgage notes payable | Minimum
Debt Instrument [Line Items]
Effective interest rate			3.57%
Mortgages | Mortgage notes payable | Maximum
Debt Instrument [Line Items]
Effective interest rate			6.88%