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Debt (Details Textual) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Mar. 04, 2014 USD ($) | Jun. 30, 2012 USD ($)
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity |  |  | $ 400,000,000 |
Current line of credit | $ 29,000,000 | $ 16,990,000 | 90,000,000 |
Line of credit | $ 59,000,000.0 |  |  |
Debt instrument period of draw down under line of credit | 90 days |  |  |
Loan term | 15 years |  |  |
Recourse |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Current line of credit | $ 29,000,000 | 16,990,000 |  |
Minimum tangible net worth | $ 300,000,000 |  |  |
Current ratio net of hedged inventory, maximum | 125.00% |  |  |
Current ratio net of hedged inventory, minimum | 100.00% |  |  |
Debt to capitalized ratio maximum | 70.00% |  |  |
Working capital | $ 150,000,000 |  |  |
Interest coverage ratio, minimum | 275.00% |  |  |
Interest coverage ratio, maximum | 1 |  |  |
Aggregate annual maturities of long term debt, 2017 | $ 47,500,000 |  |  |
Aggregate annual maturities of long term debt, 2018 | 55,300,000 |  |  |
Aggregate annual maturities of long term debt, 2019 | 46,900,000 |  |  |
Aggregate annual maturities of long term debt, 2020 | 16,400,000 |  |  |
Aggregate annual maturities of long term debt, 2021 | 62,300,000 |  |  |
Aggregate annual maturities of long term debt there after | 219,400,000 |  |  |
Nonrecourse |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Current line of credit | $ 0 | $ 0 |  |
Debt service coverage ratio, minimum | 1.25 |  |  |
Debt service coverage ratio, maximum | 1.00 |  |  |
Nonrecourse | December 31 2014 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Minimum tangible net worth | $ 36,000,000 |  |  |
Working capital | 18,000,000 |  |  |
Nonrecourse | December 31 2016 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Minimum tangible net worth | 40,000,000 |  |  |
Ten year term debenture bonds | Recourse | Available-for-sale Securities |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debenture bond bearing interest Amount | $ 200,000 |  |  |
Loan term | 10 years |  |  |
Debenture bond bearing interest percentage | 3.50% |  |  |
Line of credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity |  |  | $ 850,000,000.0 |
Line of credit | Long Term Line Of Credit | The Andersons Denison Ethanol LLC |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity |  |  |  | $ 21,300,000
Standby letters of credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Letters of credit outstanding | $ 32,500,000 |  |  |
Standby letters of credit | The Andersons Denison Ethanol LLC |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Letters of credit outstanding | $ 200,000 |  |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
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