Leases - Minimum Lease Payments with Lease Periods Greater than One Year for Space in Operating Properties, Prestabilized Development Properties and leases of Land Subject to Ground Leases (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Future Minimum Payments Receivable on Operating Leases
2021	$ 2,874,204
2022	2,126,375
2023	1,760,337
2024	1,457,784
2025	1,155,144
Thereafter	3,907,635
Total	$ 13,281,479