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Commitments and Contingencies - Operating Obligations (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 USD ($) a | Dec. 31, 2018 a
Loss Contingencies [Line Items] |  |
Total Acres | a | 86,535 | 73,205
Ventura, California |  |
Loss Contingencies [Line Items] |  |
Total Acres | a | 413 |
Amount Expended or Accrued as of December 31, 2019 | $ 664,000 |
Madera, California |  |
Loss Contingencies [Line Items] |  |
Total Acres | a | 928 |
Total Commitment | $ 500,000 |
Amount Expended or Accrued as of December 31, 2019 | $ 402,000 |
Hillsborough, Florida |  |
Loss Contingencies [Line Items] |  |
Total Acres | a | 55 |
Total Commitment | $ 2,250,000 |
Amount Expended or Accrued as of December 31, 2019 | $ 0 |
Cochise, Arizona | Group One |  |
Loss Contingencies [Line Items] |  |
Total Acres | a | 1,761 |
Total Commitment | $ 1,820,000 |
Amount Expended or Accrued as of December 31, 2019 | 0 |
Payments for capital improvements | $ 1,300,000 |
Cochise, Arizona | Group Two |  |
Loss Contingencies [Line Items] |  |
Total Acres | a | 1,239 |
Total Commitment | $ 1,360,000 |
Amount Expended or Accrued as of December 31, 2019 | 0 |
Payments for capital improvements | $ 860,000 |
Van Buren, Michigan |  |
Loss Contingencies [Line Items] |  |
Total Acres | a | 119 |
Total Commitment | $ 150,000 |
Amount Expended or Accrued as of December 31, 2019 | $ 0 |
Columbia, Oregon |  |
Loss Contingencies [Line Items] |  |
Total Acres | a | 200 |
Total Commitment | $ 1,800,000 |
Amount Expended or Accrued as of December 31, 2019 | $ 1,146,000 |
Collier & Hendry, Florida |  |
Loss Contingencies [Line Items] |  |
Total Acres | a | 5,630 |
Total Commitment | $ 2,000,000 |
Amount Expended or Accrued as of December 31, 2019 | $ 0 |
Salinas, California |  |
Loss Contingencies [Line Items] |  |
Total Acres | a | 324 |
Total Commitment | $ 100,000 |
Amount Expended or Accrued as of December 31, 2019 | $ 1,000 |

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