Long-Term Debt - Total Interest Expense (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Long-term Debt, Unclassified [Abstract] | |||
| Cash paid for interest | $ 126,342 | $ 101,958 | $ 68,966 |
| Change in accrued interest | 7,280 | 10,699 | 1,768 |
| Capitalized interest | (4,470) | (9,470) | (9,148) |
| Amortization of loan costs | 6,121 | 5,011 | 3,660 |
| Amortization of note discount and premium | 0 | 0 | (1,716) |
| Total interest expense | $ 135,273 | $ 108,198 | $ 63,530 |
| X | ||||||||||
- Definition Debt Instrument, Increase (Decrease), Accrued Interest No definition available.
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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of amortization expense attributable to debt issuance costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of interest capitalized during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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/disclosureRef
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- Definition Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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