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

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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