Business Segments - Revenue Components of Farming Segments (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenue from External Customer [Line Items]
Commercial/industrial revenues	$ 13,079	$ 11,946	$ 32,881	$ 35,579
Income (loss)	(1,765)	(3,300)	(4,363)	(3,230)
Farming Segment
Revenue from External Customer [Line Items]
Income (loss)	1,538	(47)	405	760
Operating Segments \| Farming Segment
Revenue from External Customer [Line Items]
Commercial/industrial revenues	9,319	8,076	11,042	12,470
Operating Segments \| Farming Segment \| Almonds
Revenue from External Customer [Line Items]
Commercial/industrial revenues	1,310	3,687	2,654	7,066
Operating Segments \| Farming Segment \| Pistachios
Revenue from External Customer [Line Items]
Commercial/industrial revenues	5,745	2,136	6,003	2,899
Operating Segments \| Farming Segment \| Wine Grapes
Revenue from External Customer [Line Items]
Commercial/industrial revenues	1,961	1,986	1,961	1,986
Operating Segments \| Farming Segment \| Hay and other
Revenue from External Customer [Line Items]
Commercial/industrial revenues	$ 303	$ 267	$ 424	$ 519

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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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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