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Business Segments - Revenue Components of Farming Segments (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Revenue from External Customer [Line Items] |  |
Segment revenues | $ 12,953 | $ 16,633
Income (loss) | 352 | 1,313
Operating Segments | Farming Segment |  |
Revenue from External Customer [Line Items] |  |
Segment revenues | 1,221 | 3,071
Income (loss) | (285) | 728
Operating Segments | Farming Segment | Almonds |  |
Revenue from External Customer [Line Items] |  |
Segment revenues | 985 | 2,716
Operating Segments | Farming Segment | Pistachios |  |
Revenue from External Customer [Line Items] |  |
Segment revenues | 199 | 249
Operating Segments | Farming Segment | Hay and other |  |
Revenue from External Customer [Line Items] |  |
Segment revenues | $ 37 | $ 106

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