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Debt - J. Aron Forward Sale (Details) - Supply and Offtake Agreements - USD ($) $ in Millions | Dec. 21, 2017 | May 08, 2017
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Debt Instrument [Line Items] |  |
Purchase And supply commitment, forward sale amount |  | $ 30.0
Debt instrument, interest rate |  | 7.00%
Cost associated with termination of debt | $ 0.3 |

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- Definition Purchase And Supply Commitment, Forward Sale Amount + References No definition available. + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Details
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