|
Segment Reporting (Schedule Of Assets For The Reportable Segments) (Details) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Segment Reporting Information [Line Items] | ||
| Total assets | $ 2,971,126 | $ 3,019,631 |
|
Owned And Managed [Member]
|
||
| Segment Reporting Information [Line Items] | ||
| Total assets | 2,699,814 | 2,711,926 |
|
Managed-Only [Member]
|
||
| Segment Reporting Information [Line Items] | ||
| Total assets | 110,823 | 123,806 |
|
Corporate And Other [Member]
|
||
| Segment Reporting Information [Line Items] | ||
| Total assets | 160,473 | 180,220 |
|
Discontinued Operations [Member]
|
||
| Segment Reporting Information [Line Items] | ||
| Total assets | $ 16 | $ 3,679 |