|
Properties, net (Details) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Properties | ||
| Operating properties, net | $ 2,704,323 | $ 2,714,056 |
|
Operating properties, net
|
||
| Properties | ||
| Less: accumulated depreciation | (570,242) | (559,679) |
|
Operating properties, net | Land [Member]
|
||
| Properties | ||
| Gross | 471,995 | 472,483 |
|
Operating properties, net | Building and Building Improvements [Member]
|
||
| Properties | ||
| Gross | $ 2,802,570 | $ 2,801,252 |
| X | ||||||||||
|
- Definition
Gross amount of real estate as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The cumulative amount of depreciation for real estate property held for investment purposes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Carrying amount of income producing properties held for rental. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|