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Segments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Pekin Campus Production Segment [Member] |  |  |
Segments (Details) [Line Items] |  |  |
Management fees | $ 5,046,000 | $ 4,344,000 | $ 4,344,000
Capital expenditures | 25,700 | 14,300 |
Marketing and Distribution Segment [Member] |  |  |
Segments (Details) [Line Items] |  |  |
Management fees | 3,840,000 | 3,480,000 | 3,480,000
Other Production Segment [Member] |  |  |
Segments (Details) [Line Items] |  |  |
Management fees | 2,400,000 | 1,950,000 | $ 3,893,000
Capital expenditures | $ 12,300 | $ 2,100 |

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