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Information by Business Segment (Details 3) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2012
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Dec. 31, 2011
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Mar. 31, 2011
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|---|---|---|---|
| Reconciliation of segment assets to total assets | |||
| Assets | $ 3,797,368 | $ 3,867,524 | $ 3,865,809 |
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Operating Segment
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| Reconciliation of segment assets to total assets | |||
| Assets | 3,007,147 | 3,058,343 | |
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Non-operating property assets
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| Reconciliation of segment assets to total assets | |||
| Assets | 638,856 | 652,223 | |
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Other
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| Reconciliation of segment assets to total assets | |||
| Assets | $ 151,365 | $ 155,243 |
| X | ||||||||||
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- Definition
Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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