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Commitments and Contingencies (Textual) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Jan. 01, 2019
Operating Leased Assets [Line Items] |  |  |
Total | $ 1,391,848,000 | $ 898,885,000 |
Future minimum lease payments, 2019 |  | 16,978,000 |
Future minimum lease payments, 2020 |  | 11,906,000 |
Future minimum lease payments, 2021 |  | 9,959,000 |
Future minimum lease payments, 2022 |  | 6,438,000 |
Future minimum lease payments, 2023 |  | 3,763,000 |
Future minimum lease payments, thereafter |  | 8,348,000 |
Industrial Revenue Bonds, Unrecognized | 1,000,000.0 |  |
Plant Nutrient |  |  |
Operating Leased Assets [Line Items] |  |  |
Total | 646,730,000 | 690,536,000 |
Service |  |  |
Operating Leased Assets [Line Items] |  |  |
Total | 63,011,000 | 65,042,000 |
Service | Plant Nutrient |  |  |
Operating Leased Assets [Line Items] |  |  |
Total | $ 4,202,000 | $ 4,411,000 |
Lansing Trade Group, LLC (b) |  |  |
Operating Leased Assets [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability |  |  | $ 5,000,000.0

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