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