Debt - Scheduled Payments and Maturities of Debt (Details) $ in Thousands	Mar. 31, 2024 USD ($)
Secured notes
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 743,242
Secured notes | Notes Payable Maturities 2024
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	8,793
Secured notes | Notes Payable Maturities 2025
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	10,765
Secured notes | Notes Payable Maturities 2026
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	11,811
Secured notes | Notes Payable Maturities 2027
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	250,159
Secured notes | Notes Payable Maturities 2028
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	18,902
Secured notes | Notes Payable Maturities 2029
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	132,661
Secured notes | Notes Payable Maturities 2030
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	9,100
Secured notes | Notes Payable Maturities 2031
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	9,700
Secured notes | Notes Payable Maturities 2032
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	10,400
Secured notes | Notes Payable Maturities 2033
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	12,000
Secured notes | Notes Payable Maturities Thereafter
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	268,951
Unsecured notes
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	7,300,000
Unsecured notes | Notes Payable Maturities 2024
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 300,000
Stated interest rate of unsecured notes (as a percent)	3.50%
Unsecured notes | Notes Payable 3.450 Maturities 2025
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 525,000
Stated interest rate of unsecured notes (as a percent)	3.45%
Unsecured notes | Notes Payable 3.500 Maturities 2025
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 300,000
Stated interest rate of unsecured notes (as a percent)	3.50%
Unsecured notes | Notes Payable 2.950 Maturities 2026
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 475,000
Stated interest rate of unsecured notes (as a percent)	2.95%
Unsecured notes | Notes Payable 2.900 Maturities 2026
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 300,000
Stated interest rate of unsecured notes (as a percent)	2.90%
Unsecured notes | Notes Payable Maturities 2027
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 400,000
Stated interest rate of unsecured notes (as a percent)	3.35%
Unsecured notes | Notes Payable Maturities 2028
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 450,000
Stated interest rate of unsecured notes (as a percent)	3.20%
Unsecured notes | Notes Payable 1.900 Maturities 2028
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 400,000
Stated interest rate of unsecured notes (as a percent)	1.90%
Unsecured notes | Notes Payable Maturities 2029
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 450,000
Stated interest rate of unsecured notes (as a percent)	3.30%
Unsecured notes | Notes Payable Maturities 2030
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 700,000
Stated interest rate of unsecured notes (as a percent)	2.30%
Unsecured notes | Notes Payable Maturities 2031
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 600,000
Stated interest rate of unsecured notes (as a percent)	2.45%
Unsecured notes | Notes Payable Maturities 2032
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 700,000
Stated interest rate of unsecured notes (as a percent)	2.05%
Unsecured notes | Notes Payable Maturities 2033
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 350,000
Stated interest rate of unsecured notes (as a percent)	5.00%
Unsecured notes | Notes Payable 5.300 Maturities 2033
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 400,000
Stated interest rate of unsecured notes (as a percent)	5.30%
Unsecured notes | Notes Payable Maturities 2046
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 350,000
Stated interest rate of unsecured notes (as a percent)	3.90%
Unsecured notes | Notes Payable Maturities 2047
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 300,000
Stated interest rate of unsecured notes (as a percent)	4.15%
Unsecured notes | Notes Payable Maturities 2048
Notes Payable, Unsecured Notes and Credit Facility
Notes Payable	$ 300,000
Stated interest rate of unsecured notes (as a percent)	4.35%