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Borrowings - Farm Credit Notes Payable (Details) - USD ($) | Dec. 10, 2020 | Aug. 31, 2020 | Jun. 25, 2020 | Jun. 24, 2020 | May 14, 2020
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Premier Farm Credit, FLCA |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount |  |  |  |  | $ 4,500,000
Term of debt |  |  |  |  | 24 years 7 months 6 days
Interest rate (as percent) |  |  |  |  | 4.00%
Farm Credit West, FLCA |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount | $ 2,160,000 |  | $ 8,500,000 |  |
Term of debt | 24 years 6 months |  | 25 years |  |
Interest rate (as percent) | 3.70% |  | 3.75% |  |
Farm Credit West, FLCA, 3.00% Fixed Rate Through July 31, 2026 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount |  |  |  | $ 600,000 |
Term of debt |  |  |  | 24 years 2 months 12 days |
Interest rate (as percent) |  |  |  | 3.00% |
Farm Credit West, FLCA, 3.00% Fixed Rate Through August 31, 2026 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount |  |  |  | $ 600,000 |
Term of debt |  |  |  | 24 years 2 months 12 days |
Interest rate (as percent) |  |  |  | 3.00% |
Farm Credit of the Virginias, ACA |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount |  | $ 4,481,000 |  |  |
Term of debt |  | 25 years |  |  |
Interest rate (as percent) |  | 3.99% |  |  |

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