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Long Term Water Assets (Details Textual) (USD $) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2012 acre | Dec. 31, 2011
Long Term Water Assets (Textual) [Abstract] |  |
Long term assets held for sale, in acre feet | 10,534 |
Transferable water [Member] |  |
Long Term Water Assets (Textual) [Abstract] |  |
Long term assets held for sale, additional area in acre feet | 14,786 |
SWP Contracts [Member] |  |
Long Term Water Assets (Textual) [Abstract] |  |
Long term assets held for sale, in acre feet | 3,444 |
Annual amortization (Year1) | $ 708,000 |
Annual amortization (Year2) | 708,000 |
Annual amortization (Year3) | 708,000 |
Annual amortization (Year4) | 708,000 |
Annual amortization (Year5) | 708,000 |
Accumulated amortization | 1,673,000 | 1,317,000
Kern County [Member] |  |
Long Term Water Assets (Textual) [Abstract] |  |
Long term assets held for sale, in acre feet | 8,700 |
Antelope Valley East Kern Water Agency [Member] |  |
Long Term Water Assets (Textual) [Abstract] |  |
Long term assets held for sale additional purchase | 8,985,000 |
Long term assets held for sale, additional area in acre feet | 2,362 |
Wheeler Ridge Maricopa Water Storage District and Tejon-Castac Water District [Member] |  |
Long Term Water Assets (Textual) [Abstract] |  |
Amortization expense | $ 0 |

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- Definition Amount of amortization expense expected to be recognized during the next fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 + Details
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- Definition Amount of amortization expense expected to be recognized during the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 + Details
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- Definition Amount of amortization expense expected to be recognized during the fourth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 + Details
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- Definition Amount of amortization expense expected to be recognized during the second fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 + Details
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