Debt - Summary of Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Notes Payable, Unsecured Notes and Credit Facility
Credit Facility	$ 0	$ 0
Commercial paper	0	0
Long-Term Debt, Gross	8,436,061	8,044,042
Deferred financing costs and debt discount	(62,030)	(62,220)
Total	$ 8,374,031	$ 7,981,822
Weighted average interest rate, debt (as a percent)	3.50%	3.50%
Unsecured notes
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 7,700,000
Secured Debt
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	736,061
Mortgage Notes Payable, Unsecured Notes, and Term Loans
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 8,436,061	$ 8,044,042
Weighted average interest rate, debt (as a percent)	3.50%	3.50%
Fixed rate unsecured notes | Unsecured notes
Notes Payable, Unsecured Notes and Credit Facility
Fixed rate notes	$ 7,700,000	$ 7,300,000
Weighted average interest rate, debt (as a percent)	3.40%	3.30%
Fixed rate mortgage notes payable - conventional and tax-exempt | Secured Debt
Notes Payable, Unsecured Notes and Credit Facility
Fixed rate notes	$ 333,811	$ 333,892
Weighted average interest rate, debt (as a percent)	3.90%	3.90%
Variable rate mortgage notes payable - conventional and tax-exempt | Secured Debt
Notes Payable, Unsecured Notes and Credit Facility
Variable rate notes	$ 402,250	$ 410,150
Weighted average interest rate, debt (as a percent)	5.50%	5.50%
Credit Facility
Notes Payable, Unsecured Notes and Credit Facility
Commercial paper	$ 0	$ 0
Weighted average interest rate, debt (as a percent)	0.00%	0.00%
Commercial paper
Notes Payable, Unsecured Notes and Credit Facility
Weighted average interest rate, debt (as a percent)	0.00%	0.00%