Commitments And Contingencies (Future Minimum Rental Payments Of Ground Leases) (Details) $ in Thousands |
Jun. 30, 2017
USD ($)
|
|---|---|
| Commitments And Contingencies [Abstract] | |
| July 1 through December 31, 2017 | $ 1,069 |
| 2018 | 2,142 |
| 2019 | 2,152 |
| 2020 | 2,168 |
| 2021 | 2,168 |
| 2022 and 2084 | 170,842 |
| Total | $ 180,541 |