Business Segments - Revenue Components of Farming Segments (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenue from External Customer [Line Items]
Commercial/industrial revenues	$ 6,849	$ 7,000	$ 19,802	$ 23,633
Income (loss)	(2,950)	(1,243)	(2,598)	70
Operating Segments \| Farming Segment
Revenue from External Customer [Line Items]
Commercial/industrial revenues	502	1,323	1,723	4,394
Income (loss)	(848)	79	(1,133)	807
Operating Segments \| Farming Segment \| Almonds
Revenue from External Customer [Line Items]
Commercial/industrial revenues	359	663	1,344	3,379
Operating Segments \| Farming Segment \| Pistachios
Revenue from External Customer [Line Items]
Commercial/industrial revenues	59	514	258	763
Operating Segments \| Farming Segment \| Hay and other
Revenue from External Customer [Line Items]
Commercial/industrial revenues	$ 84	$ 146	$ 121	$ 252

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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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