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Senior Unsecured Notes and Secured Debt - Summary of Annual Principal Payments Due on Debt Obligations (Details)	9 Months Ended
	Sep. 30, 2023 USD ($) term	Sep. 30, 2023 CAD ($) term	Sep. 30, 2023 GBP (£) term	Dec. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Principal payments due on debt obligations
2023	$ 221,074,000
2024	1,810,313,000
2025	1,674,358,000
2026	841,748,000
2027	2,094,159,000
Thereafter	9,408,303,000
Total principal balance	16,049,955,000
Unamortized discounts and premiums, net	(26,488,000)
Unamortized debt issuance costs, net	(97,509,000)
Fair value adjustments and other, net	(91,720,000)
Total carrying value of debt	15,834,238,000
Senior unsecured notes
Principal payments due on debt obligations
2023	0
2024	1,350,000,000
2025	1,260,000,000
2026	700,000,000
2027	1,906,354,000
Thereafter	8,417,470,000
Total principal balance	13,633,824,000			$ 12,584,529,000	$ 12,479,012,000	$ 11,707,961,000
Unamortized discounts and premiums, net	(26,488,000)
Unamortized debt issuance costs, net	(76,884,000)
Fair value adjustments and other, net	(76,467,000)
Total carrying value of debt	$ 13,453,985,000
Senior unsecured notes \| 2.95% Senior Unsecured Notes Due 2027
Senior Unsecured Notes and Secured Debt Textual
Interest rate	2.95%	2.95%	2.95%
Principal amount	$ 221,648,000	$ 300,000,000
Senior unsecured notes \| Unsecured Term Credit Facility Matures July 19 2023
Senior Unsecured Notes and Secured Debt Textual
Principal amount	$ 1,000,000,000
Senior unsecured notes \| Unsecured Term Credit Facility Matures July 19 2023 \| SOFR
Senior Unsecured Notes and Secured Debt Textual
Effective rate	6.28%	6.28%	6.28%
Senior unsecured notes \| Term Loan
Senior Unsecured Notes and Secured Debt Textual
Principal amount	$ 184,706,000	$ 250,000,000
Number of successive terms \| term	2	2	2
Successive term	6 months
Senior unsecured notes \| Term Loan \| SOFR
Senior Unsecured Notes and Secured Debt Textual
Interest rate margin	0.85%
Senior unsecured notes \| Term Loan \| Canadian Dealer Offered Rate
Senior Unsecured Notes and Secured Debt Textual
Interest rate margin	0.85%
Effective rate	6.24%	6.24%	6.24%
Senior unsecured notes \| UK Debt Due 2028
Senior Unsecured Notes and Secured Debt Textual
Interest rate	4.80%	4.80%	4.80%
Principal amount	$ 671,770,000		£ 550,000,000
Senior unsecured notes \| 4.50% Senior Unsecured Notes Due 2034
Senior Unsecured Notes and Secured Debt Textual
Interest rate	4.50%	4.50%	4.50%
Principal amount	$ 610,700,000		£ 500,000,000
Senior unsecured notes \| Minimum
Senior Unsecured Notes and Secured Debt Textual
Interest rate	2.05%	2.05%	2.05%
Senior unsecured notes \| Maximum
Senior Unsecured Notes and Secured Debt Textual
Interest rate	6.50%	6.50%	6.50%
Secured debt
Principal payments due on debt obligations
2023	$ 221,074,000
2024	460,313,000
2025	414,358,000
2026	141,748,000
2027	187,805,000
Thereafter	990,833,000
Total principal balance	2,416,131,000			$ 2,129,954,000	$ 2,121,321,000	$ 2,202,312,000
Unamortized discounts and premiums, net	0
Unamortized debt issuance costs, net	(20,625,000)
Fair value adjustments and other, net	(15,253,000)
Total carrying value of debt	2,380,253,000
Senior Unsecured Notes and Secured Debt Textual
Carrying values of properties securing the debt	$ 5,257,776,000
Secured debt \| Minimum
Senior Unsecured Notes and Secured Debt Textual
Interest rate	1.25%	1.25%	1.25%
Secured debt \| Maximum
Senior Unsecured Notes and Secured Debt Textual
Interest rate	8.50%	8.50%	8.50%