|
Tenant Leases (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended |
|---|---|
|
Mar. 31, 2012
|
|
| Property Subject to or Available for Operating Lease [Line Items] | |
| April 1 through December 31, 2012 | 432,341 |
| 2013 | 524,171 |
| 2014 | 463,797 |
| 2015 | 394,113 |
| 2016 | 343,592 |
| 2017 and thereafter | 1,299,559 |
| Total | 3,457,573 |
|
Tenant Leases [Member]
|
|
| Property Subject to or Available for Operating Lease [Line Items] | |
| Operating leases with various expiration dates through year | 2033 |