Debt - Summary of Debt (Details) - USD ($)		9 Months Ended
	Feb. 28, 2019	Sep. 30, 2022	Dec. 31, 2021
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities		$ 8,028,027,000	$ 8,170,431,000
Credit Facility		0	0
Commercial paper		49,985,000	0
Total		8,078,012,000	8,170,431,000
Line of Credit
Notes Payable, Unsecured Notes and Credit Facility
Credit Facility		$ 0	0
Line of Credit Facility [Line Items]
Annual facility fee, percentage	0.125%	0.125%
Minimum | Line of Credit
Line of Credit Facility [Line Items]
Annual facility fee, percentage		0.10%
Fixed rate unsecured notes
Notes Payable, Unsecured Notes and Credit Facility
Fixed rate notes		$ 7,150,000,000	7,150,000,000
Secured notes maturities and Unsecured notes and Term Loan maturities		7,300,000,000
Amount of debt discount		8,784,000	10,033,000
Amount of deferred financing costs, net		36,851,000	40,573,000
Term Loans
Notes Payable, Unsecured Notes and Credit Facility
Variable rate notes		150,000,000	250,000,000
Secured notes
Notes Payable, Unsecured Notes and Credit Facility
Fixed rate notes		270,677,000	306,281,000
Variable rate notes		457,350,000	464,150,000
Secured notes maturities and Unsecured notes and Term Loan maturities		547,639,000
Amount of debt discount		12,696,000	13,528,000
Amount of deferred financing costs, net		$ 1,722,000	$ 2,750,000