Tenant Leases (Details) $ in Thousands |
9 Months Ended |
|---|---|
|
Sep. 30, 2016
USD ($)
| |
| Property Subject to or Available for Operating Lease [Line Items] | |
| October 1 through December 31, 2016 | $ 119,973 |
| 2017 | 438,466 |
| 2018 | 379,744 |
| 2019 | 319,822 |
| 2020 | 273,424 |
| 2021 and thereafter | 1,194,462 |
| Total | $ 2,725,891 |
| 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 |