Net Investment In Sales-type Leases and Ground Lease Receivables (Fiscal Year Maturity) (Details) - USD ($) $ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Lessee, Lease, Description [Line Items] | ||
| 2020 | $ 34,499 | |
| 2021 | 35,195 | |
| 2022 | 36,179 | |
| 2023 | 37,306 | |
| 2024 | 39,345 | |
| Thereafter | 11,118,832 | |
| Total undiscounted cash flows | 11,301,356 | |
| Unguaranteed estimated residual value | 979,057 | |
| Present value discount | (11,295,815) | |
| Net investment in sales-type leases as of December 31, 2019 | 984,598 | $ 0 |
| Fixed Bumps with Inflation Adjustments | ||
| Lessee, Lease, Description [Line Items] | ||
| 2020 | 33,967 | |
| 2021 | 34,663 | |
| 2022 | 35,642 | |
| 2023 | 36,720 | |
| 2024 | 38,759 | |
| Thereafter | 11,016,998 | |
| Total undiscounted cash flows | 11,196,749 | |
| Fixed Bumps with Percentage Rent | ||
| Lessee, Lease, Description [Line Items] | ||
| 2020 | 532 | |
| 2021 | 532 | |
| 2022 | 537 | |
| 2023 | 586 | |
| 2024 | 586 | |
| Thereafter | 101,834 | |
| Total undiscounted cash flows | $ 104,607 |