Tenant Leases (Future Minimum Rentals To Be Received Under Non-Cancelable Operating Leases) (Details) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2018
USD ($)
| |
| Property Subject to or Available for Operating Lease [Line Items] | |
| 2019 | $ 314,708 |
| 2020 | 306,559 |
| 2021 | 284,120 |
| 2022 | 258,076 |
| 2023 | 220,533 |
| 2024 and thereafter | 923,061 |
| Total | $ 2,307,057 |
| Tenant Leases [Member] | |
| Property Subject to or Available for Operating Lease [Line Items] | |
| Operating leases with various expiration dates through year | Dec. 31, 2036 |
| Multi-Family Properties [Member] | |
| Property Subject to or Available for Operating Lease [Line Items] | |
| Lease period | 1 year |