Real Estate (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Real estate development	$ 270,064	$ 267,336
Real estate and improvements - held for lease	21,123	21,123
Less accumulated depreciation	(2,101)	(2,008)
Real estate and improvements - held for lease, net	19,022	19,115
Mountain Village
Property, Plant and Equipment [Line Items]
Real estate development	133,794	132,034
Centennial
Property, Plant and Equipment [Line Items]
Real estate development	95,161	94,271
Grapevine
Property, Plant and Equipment [Line Items]
Real estate development	28,723	28,139
Tejon Ranch Commerce Center
Property, Plant and Equipment [Line Items]
Real estate development	12,386	12,892
Real estate and improvements - held for lease	$ 21,123	$ 21,123

Inventory, Real Estate, Improvements, Accumulated Depreciation

No definition available.

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- Definition

Inventory, Real Estate, Improvements, Gross

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents improvements to real estate during development for ultimate sale to third parties. Improvements may consist of project infrastructure and other expenditures necessary to completion of the development project which is generally of a long-term nature.

+ References

No definition available.

+ Details

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- Definition

Carrying amount as of the balance sheet date, net of valuation allowances and impairment losses, of costs of land expected to be developed in the near term plus capitalized costs of development, for purposes of selling completed units to home buyers or commercial or industrial entities..

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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