Tenant Leases (Details) $ in Thousands |
6 Months Ended |
|---|---|
|
Jun. 30, 2016
USD ($)
| |
| Property Subject to or Available for Operating Lease [Line Items] | |
| July 1 through December 31, 2016 | $ 234,508 |
| 2017 | 439,968 |
| 2018 | 373,910 |
| 2019 | 315,521 |
| 2020 | 268,005 |
| 2021 and thereafter | 1,110,072 |
| Total | $ 2,741,984 |
| 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 |