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Inventories (Details) $ in Thousands, bu in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) bu | Dec. 31, 2020 USD ($) bu | Dec. 31, 2019 USD ($)
Inventory [Line Items] |  |  |
Agricultural Related Inventory | $ 1,427,708 | $ 1,025,809 |
Frac sand and propane | 23,780 | 12,477 |
Ethanol and co-products | 184,354 | 114,895 |
Plant nutrients and cob products | 178,696 | 139,885 |
Total inventories | $ 1,814,538 | $ 1,293,066 |
Grain held in storage and excluded from inventory calculations (bushels) | bu | 3.0 | 3.0 |
Inventory write down | $ 3,399 | $ 11,676 | $ 0
COVID-19 Pandemic |  |  |
Inventory [Line Items] |  |  |
Inventory write down | 3,400 | 11,700 |
Readily Marketable Inventory |  |  |
Inventory [Line Items] |  |  |
Agricultural Related Inventory | $ 1,410,900 | $ 983,200 |

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