|
Impairment Charges (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2011
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Dec. 31, 2009
|
|
| Impairment of real estate properties included in continuing operations | ||||
| Land | $ 734,668 | $ 136,996 | ||
| Operating properties | 21,237 | 1,349 | 172,342 | |
| Other real estate | 595 | 22,254 | ||
| Impairment of real estate properties - continuing operations | 21,237 | 736,612 | 331,592 | |
| Discontinued Operations - operating properties and land subject to ground leases | 2,659 | 87,702 | ||
| Total impairment charges | $ 97,000 | $ 21,237 | $ 736,612 | $ 331,592 |