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Interest Costs (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
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Mar. 31, 2012
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Mar. 31, 2011
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| Interest Cost | ||
| Interest costs charged to expense | $ 76,971 | $ 78,218 |
| Interest costs capitalized | 7,954 | 7,250 |
| Total interest costs incurred | 84,925 | 85,468 |
| Interest Costs (Textual) [Abstract] | ||
| Non cash interest expense included in interest costs | $ 10,647 | $ 9,573 |
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- Definition
The amount of interest that was capitalized during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Total interest costs incurred during the period and either capitalized or charged against earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cost of borrowed funds accounted for as interest that was charged against earnings during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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