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
9 Months Ended
Sep. 30, 2018
USD ($)
Property Subject to or Available for Operating Lease [Line Items]  
October 1 through December 31, 2018 $ 101,119
2019 319,132
2020 304,539
2021 281,725
2022 258,220
2023 and thereafter 1,183,865
Total $ 2,448,600
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