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Segment Information (Summary Of Total Assets For Operating Segments) (Details) - USD ($) $ in Thousands		Sep. 30, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Total assets	[1]	$ 1,537,420	$ 1,698,218
Operating Segments [Member] | Ethanol Production [Member]
Segment Reporting Information [Line Items]
Total assets	[1]	916,168	884,293
Operating Segments [Member] | Agribusiness and Energy Services [Member]
Segment Reporting Information [Line Items]
Total assets	[1]	293,868	410,400
Operating Segments [Member] | Partnership [Member]
Segment Reporting Information [Line Items]
Total assets	[1]	87,299	90,011
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Total assets	[1]	(15,978)	(10,766)
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Total assets	[1]	$ 256,063	$ 324,280
[1] Asset balances by segment exclude intercompany balances

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- 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://fasb.org/us-gaap/role/ref/legacyRef
-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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-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=119400593&loc=d3e572229-122910

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+ References

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