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Interest Costs (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Interest Cost | |||
| Interest costs charged to expense | $ 269,010us-gaap_InterestExpense | $ 204,671us-gaap_InterestExpense | $ 265,321us-gaap_InterestExpense |
| Interest costs capitalized | 480us-gaap_InterestCostsCapitalizedAdjustment | 26,445us-gaap_InterestCostsCapitalizedAdjustment | 31,982us-gaap_InterestCostsCapitalizedAdjustment |
| Total interest costs incurred | 269,490us-gaap_InterestCostsIncurred | 231,116us-gaap_InterestCostsIncurred | 297,303us-gaap_InterestCostsIncurred |
| Interest Costs (Textual) [Abstract] | |||
| Non cash interest expense included in interest costs | $ 21,039us-gaap_PaidInKindInterest | $ 21,698us-gaap_PaidInKindInterest | $ 35,924us-gaap_PaidInKindInterest |
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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
Amount of the cost of borrowed funds accounted for as interest expense. 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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