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Segment Information (Summary Of Total Assets For Operating Segments) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Total assets	$ 2,585,773	$ 2,784,650
Ethanol Production [Member]
Segment Reporting Information [Line Items]
Total assets	1,090,323	1,144,459
Agribusiness And Energy Services [Member]
Segment Reporting Information [Line Items]
Total assets	438,139	554,981
Food And Ingredients [Member]
Segment Reporting Information [Line Items]
Total assets	704,624	725,232
Partnership [Member]
Segment Reporting Information [Line Items]
Total assets	73,255	74,935
Corporate Assets [Member]
Segment Reporting Information [Line Items]
Total assets	290,902	295,217
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Total assets	$ (11,470)	$ (10,174)

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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