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v3.20.2

Inventories (Details) $ in Thousands, bu in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 USD ($) | Sep. 30, 2020 USD ($) bu | Sep. 30, 2019 USD ($) bu | Dec. 31, 2019 USD ($) bu
Inventory [Line Items] |  |  |  |
Grain and other agricultural products |  | $ 557,808 | $ 560,626 | $ 907,482
Frac sand and propane |  | 10,064 | 14,592 | 15,438
Ethanol and co-products |  | 59,543 | 26,218 | 95,432
Plant nutrients and cob products |  | 120,173 | 133,839 | 146,164
Railcar repair parts |  | 7,016 | 5,811 | 6,020
Total inventories |  | $ 754,604 | $ 741,086 | $ 1,170,536
Bushels of grain held in storage for others and excluded from inventory calculations | bu |  | 2.3 | 2.7 | 6.4
Inventory write down |  | $ 10,933 | $ 0 |
RMI |  |  |  |
Inventory [Line Items] |  |  |  |
Grain and other agricultural products |  | 512,900 | 488,200 | $ 852,600
Ethanol and co-products |  | 10,400 | $ 12,600 | $ 10,600
COVID-19 Pandemic |  |  |  |
Inventory [Line Items] |  |  |  |
Inventory write down | $ 10,600 | $ 10,900 |  |

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