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Business Acquisitions (Textual) (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Oct. 01, 2019 | Jan. 01, 2019 | Jun. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill |  |  |  | $ 135,709 | $ 135,360 | $ 6,024 | $ 6,024
Effective income tax rate |  |  |  | 41.90% | 46.40% | 22.50% |
The Andersons Marathon Holdings LLC |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Consideration paid for acquisition | $ 182,855 |  |  |  |  |  |
Non-cash consideration | 7,318 |  |  |  |  |  |
Goodwill | 3,075 |  |  |  |  |  |
Goodwill, purchase accounting adjustments |  |  | $ 400 |  |  |  |
Other long-term liabilities, purchase accounting adjustments |  |  | 100 |  |  |  |
Noncontrolling interest, purchase accounting adjustments |  |  | $ 300 |  |  |  |
Noncontrolling Interest | $ 174,401 |  |  |  |  |  |
LTG |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Effective income tax rate |  | 25.00% |  |  |  |  |
The Andersons Marathon Holdings LLC |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Noncontrolling interest ownership percentage by parent | 50.10% |  |  |  |  |  |
Noncontrolling interest, ownership percentage by noncontrolling owners | 49.90% |  |  |  |  |  |

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