Debt - Scheduled Payments and Maturities of Debt (Details) - USD ($) $ in Thousands	9 Months Ended
	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	$ 8,170,431
Secured notes
Notes Payable, Unsecured Notes and Credit Facility
Secured notes principal payments	180,388
Secured notes maturities and Unsecured notes and Term Loan maturities	547,639
Secured notes | Notes payable maturing in 2022
Notes Payable, Unsecured Notes and Credit Facility
Secured notes principal payments	800
Secured notes maturities and Unsecured notes and Term Loan maturities	0
Secured notes | Notes Payable Maturities 2023
Notes Payable, Unsecured Notes and Credit Facility
Secured notes principal payments	8,300
Secured notes maturities and Unsecured notes and Term Loan maturities	0
Secured notes | Notes Payable Maturities 2024
Notes Payable, Unsecured Notes and Credit Facility
Secured notes principal payments	9,100
Secured notes maturities and Unsecured notes and Term Loan maturities	0
Secured notes | Notes Payable Maturities 2025
Notes Payable, Unsecured Notes and Credit Facility
Secured notes principal payments	9,700
Secured notes maturities and Unsecured notes and Term Loan maturities	0
Secured notes | Notes Payable Maturities 2026
Notes Payable, Unsecured Notes and Credit Facility
Secured notes principal payments	10,600
Secured notes maturities and Unsecured notes and Term Loan maturities	0
Secured notes | Notes Payable Maturities 2027
Notes Payable, Unsecured Notes and Credit Facility
Secured notes principal payments	12,900
Secured notes maturities and Unsecured notes and Term Loan maturities	236,100
Secured notes | Notes Payable Maturities 2028
Notes Payable, Unsecured Notes and Credit Facility
Secured notes principal payments	17,600
Secured notes maturities and Unsecured notes and Term Loan maturities	0
Secured notes | Notes Payable Maturities 2029
Notes Payable, Unsecured Notes and Credit Facility
Secured notes principal payments	8,500
Secured notes maturities and Unsecured notes and Term Loan maturities	66,250
Secured notes | Notes Payable Maturities 2030
Notes Payable, Unsecured Notes and Credit Facility
Secured notes principal payments	9,000
Secured notes maturities and Unsecured notes and Term Loan maturities	0
Secured notes | Notes Payable Maturities 2031
Notes Payable, Unsecured Notes and Credit Facility
Secured notes principal payments	9,600
Secured notes maturities and Unsecured notes and Term Loan maturities	0
Secured notes | Notes Payable Maturities Thereafter
Notes Payable, Unsecured Notes and Credit Facility
Secured notes principal payments	84,288
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 245,289
Secured notes | Notes Payable Maturities 2047
Notes Payable, Unsecured Notes and Credit Facility
Stated interest rate of unsecured notes (as a percent)	6.16%
Fixed rate unsecured notes
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 7,300,000
Fixed rate unsecured notes | Notes payable maturing in 2022
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	0
Fixed rate unsecured notes | Notes payable 4.200 Maturities 2023
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 350,000
Stated interest rate of unsecured notes (as a percent)	4.20%
Fixed rate unsecured notes | Notes Payable 2.850 Maturities 2023
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 250,000
Stated interest rate of unsecured notes (as a percent)	2.85%
Fixed rate unsecured notes | Notes Payable Maturities 2024
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 300,000
Stated interest rate of unsecured notes (as a percent)	3.50%
Fixed rate unsecured notes | Variable Rate Unsecured Term Loan $150 Million
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 150,000
Fixed rate unsecured notes | Variable Rate Unsecured Term Loan $150 Million | LIBOR
Notes Payable, Unsecured Notes and Credit Facility
Debt instrument, basis spread on variable rate (as a percent)	0.85%
Fixed rate unsecured notes | Notes Payable 3.450 Maturities 2025
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 525,000
Stated interest rate of unsecured notes (as a percent)	3.45%
Fixed rate unsecured notes | Notes Payable 3.500 Maturities 2025
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 300,000
Stated interest rate of unsecured notes (as a percent)	3.50%
Fixed rate unsecured notes | Notes Payable 2.950 Maturities 2026
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 475,000
Stated interest rate of unsecured notes (as a percent)	2.95%
Fixed rate unsecured notes | Notes Payable 2.900 Maturities 2026
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 300,000
Stated interest rate of unsecured notes (as a percent)	2.90%
Fixed rate unsecured notes | Notes Payable Maturities 2027
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 400,000
Stated interest rate of unsecured notes (as a percent)	3.35%
Fixed rate unsecured notes | Notes Payable Maturities 2028
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 450,000
Stated interest rate of unsecured notes (as a percent)	3.20%
Fixed rate unsecured notes | Notes Payable 1.900 Maturities 2028
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 400,000
Stated interest rate of unsecured notes (as a percent)	1.90%
Fixed rate unsecured notes | Notes Payable Maturities 2029
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 450,000
Stated interest rate of unsecured notes (as a percent)	3.30%
Fixed rate unsecured notes | Notes Payable Maturities 2030
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 700,000
Stated interest rate of unsecured notes (as a percent)	2.30%
Fixed rate unsecured notes | Notes Payable Maturities 2031
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 600,000
Stated interest rate of unsecured notes (as a percent)	2.45%
Fixed rate unsecured notes | Notes Payable Maturities 2032
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 700,000
Stated interest rate of unsecured notes (as a percent)	2.05%
Fixed rate unsecured notes | Notes Payable Maturities 2046
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 350,000
Stated interest rate of unsecured notes (as a percent)	3.90%
Fixed rate unsecured notes | Notes Payable Maturities 2047
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 300,000
Stated interest rate of unsecured notes (as a percent)	4.15%
Fixed rate unsecured notes | Notes Payable Maturities 2048
Notes Payable, Unsecured Notes and Credit Facility
Secured notes maturities and Unsecured notes and Term Loan maturities	$ 300,000
Stated interest rate of unsecured notes (as a percent)	4.35%