Tenant Leases (Future Minimum Rentals To Be Received Under Non-Cancelable Operating Leases) (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2020 |
Dec. 31, 2019 |
|
| Property Subject to or Available for Operating Lease [Line Items] | ||
| 2020 | $ 91,081 | $ 115,418 |
| 2021 | 112,114 | 107,027 |
| 2022 | 108,741 | 103,417 |
| 2023 | 103,614 | 99,544 |
| 2024 | 91,838 | 88,082 |
| Thereafter | 514,091 | 488,305 |
| Total | $ 1,021,479 | $ 1,001,793 |
| Tenant Leases [Member] | ||
| Property Subject to or Available for Operating Lease [Line Items] | ||
| Operating leases with various expiration dates through year | 2036 | |
| Multi-Family Properties [Member] | ||
| Property Subject to or Available for Operating Lease [Line Items] | ||
| Lease period | 1 year |