Reporting Segments and Related Information - Revenue Components of Farming Segments (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue from External Customer [Line Items]
Commercial/industrial revenues	$ 6,365	$ 6,849	$ 12,067	$ 19,802
Income (loss)	(1,833)	(2,950)	(5,306)	(2,598)
Farming Segment
Revenue from External Customer [Line Items]
Income (loss)	243	(848)	(649)	(1,133)
Farming Segment \| Operating Segments
Revenue from External Customer [Line Items]
Commercial/industrial revenues	1,501	502	1,932	1,723
Farming Segment \| Operating Segments \| Almonds
Revenue from External Customer [Line Items]
Commercial/industrial revenues	790	359	790	1,344
Farming Segment \| Operating Segments \| Pistachios
Revenue from External Customer [Line Items]
Commercial/industrial revenues	312	59	568	258
Farming Segment \| Operating Segments \| Hay and other
Revenue from External Customer [Line Items]
Commercial/industrial revenues	$ 399	$ 84	$ 574	$ 121

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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