Acquisitions (Narrative) (Details) $ in Thousands	Sep. 23, 2016 USD ($) property	Jan. 01, 2016 USD ($)
Assets of Hereford, Texas and Hopewell, Virginia [Member]
Business Acquisition [Line Items]
Consideration transferred		$ 62,312
Property and equipment, net		6,447
Net assets, historical cost		$ 6,299
Assets of Abengoa [Member]
Business Acquisition [Line Items]
Consideration transferred	$ 90,000
Number of ethanol plants \| property	3
Property and equipment, net	$ 12,510

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+ References

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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