Quarterly report pursuant to Section 13 or 15(d)

Tenant Leases (Future Minimum Rentals To Be Received Under Non-Cancelable Operating Leases) (Details)

v3.10.0.1
Tenant Leases (Future Minimum Rentals To Be Received Under Non-Cancelable Operating Leases) (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2018
USD ($)
Property Subject to or Available for Operating Lease [Line Items]  
July 1 through December 31, 2018 $ 174,757
2019 314,369
2020 290,653
2021 265,451
2022 236,924
2023 and thereafter 971,472
Total $ 2,253,626
Tenant Leases [Member]  
Property Subject to or Available for Operating Lease [Line Items]  
Operating leases with various expiration dates through year Dec. 31, 2035
Multi-Family Properties [Member]  
Property Subject to or Available for Operating Lease [Line Items]  
Lease period 1 year