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Fair Value Measurements (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2021 | Oct. 31, 2020 | Oct. 31, 2019
Assets at Fair Value: |  |  |
Unrealized investment gain |  |  | $ 2,247
Limoneira |  |  |
Assets at Fair Value: |  |  |
Limoneira's stock price | $ 16.13 | $ 13.83 | $ 18.92
Limoneira |  |  |
Assets at Fair Value: |  |  |
Number of securities sold |  |  | 51,271
Loss on sale of investments |  |  | $ 100
Investment shares held (in shares) | 1,677,299 | 1,677,299 |
Unrealized gains (losses) recorded | $ (3,900) | $ (8,500) |
Limoneira | Maximum |  |  |
Assets at Fair Value: |  |  |
Non-equity method investment ownership (as a percent) | 10.00% |  |
Fair Value, Measurements, Recurring |  |  |
Assets at Fair Value: |  |  |
Total assets at fair value | $ 27,055 | 23,197 |
Fair Value, Measurements, Recurring | Limoneira |  |  |
Assets at Fair Value: |  |  |
Investment in Limoneira Company | 27,055 | 23,197 |
Fair Value, Measurements, Recurring | Level 1 |  |  |
Assets at Fair Value: |  |  |
Total assets at fair value | 27,055 | 23,197 |
Fair Value, Measurements, Recurring | Level 1 | Limoneira |  |  |
Assets at Fair Value: |  |  |
Investment in Limoneira Company | $ 27,055 | $ 23,197 |

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