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Segment Information (Summary Of Total Assets For Operating Segments) (Details) - USD ($) $ in Thousands		Mar. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Total assets	[1]	$ 2,421,146	$ 2,506,492
Ethanol Production [Member]
Segment Reporting Information [Line Items]
Total assets	[1]	1,161,730	1,206,155
Agribusiness And Energy Services [Member]
Segment Reporting Information [Line Items]
Total assets	[1]	527,974	579,977
Food And Ingredients [Member]
Segment Reporting Information [Line Items]
Total assets	[1]	415,790	406,429
Partnership [Member]
Segment Reporting Information [Line Items]
Total assets	[1]	74,149	74,999
Corporate Assets [Member]
Segment Reporting Information [Line Items]
Total assets	[1]	258,654	257,652
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Total assets	[1]	$ (17,151)	$ (18,720)
[1] Asset balances by segment exclude intercompany receivable balances

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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- 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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