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Interest Costs (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Interest Cost | |||
| Interest costs charged to expense | $ 265,321 | $ 304,938 | $ 295,643 |
| Interest costs capitalized | 31,982 | 33,522 | 63,880 |
| Total interest costs incurred | 297,303 | 338,460 | 359,523 |
| Interest Costs (Textual) [Abstract] | |||
| Non cash interest expense included in interest costs | $ 35,924 | $ 39,515 | $ 42,841 |
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- Definition
Amount of interest costs capitalized disclosed as an adjusting item to interest costs incurred. No definition available.
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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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