Reporting Segments and Related Information - Revenue Components of Farming Segments (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenue from External Customer [Line Items]
Commercial/industrial revenues	$ 11,908	$ 13,079	$ 23,975	$ 32,881
Income (loss)	(1,414)	(1,765)	(6,720)	(4,363)
Farming Segment
Revenue from External Customer [Line Items]
Commercial/industrial revenues	7,466	9,319	9,398	11,042
Income (loss)	(455)	1,538	(1,104)	405
Farming Segment \| Almonds
Revenue from External Customer [Line Items]
Commercial/industrial revenues	1,778	1,310	2,568	2,654
Farming Segment \| Pistachios
Revenue from External Customer [Line Items]
Commercial/industrial revenues	3,104	5,745	3,672	6,003
Farming Segment \| Wine grapes
Revenue from External Customer [Line Items]
Commercial/industrial revenues	2,161	1,961	2,161	1,961
Farming Segment \| Hay and other
Revenue from External Customer [Line Items]
Commercial/industrial revenues	$ 423	$ 303	$ 997	$ 424

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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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

+ 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=63488584&loc=d3e20235-122688

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