Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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| Supplemental Cash Flow Information [Abstract] | |||
| Cash paid during the year for interest, net of amounts capitalized and deferred | $ 122,860 | $ 130,578 | $ 120,908 |
| Balance in property, plant and equipment, net funded with accounts payable and accrued liabilities | 301,375 | 129,842 | 154,517 |
| Non-cash conveyance of assets | $ 13,169 | $ 0 | $ 0 |
| X | ||||||||||
- Definition Contribution Of Property, Non-Affiliate No definition available.
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- Definition Future cash outflow to pay for construction in progress expenditures that have occurred. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of cash paid for interest during the period net of cash paid for interest that is capitalized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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