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WATER AND LAND ASSETS, Land and Mineral Rights (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Aug. 31, 2021 USD ($) a | Aug. 31, 2020 USD ($) a | Aug. 31, 2010 a
Land and Mineral Rights [Abstract] |  |  |
Area of land (in acres) | a | 930 |  |
Non-cash mineral interest impairment charge |  | $ 1,425 |
Net land and mineral interests | $ 5,924 | 4,915 |
Sky Ranch [Member] |  |  |
Land and Mineral Rights [Abstract] |  |  |
Area of land (in acres) | a |  |  | 930
Area of land sold (in acres) | a | 215 |  |
Land | $ 2,601 | 3,569 |
Development costs | 3,105 | 1,128 |
Lost Creek Land [Member] |  |  |
Land and Mineral Rights [Abstract] |  |  |
Land | $ 218 | $ 218 |
Arkansas River Land [Member] |  |  |
Land and Mineral Rights [Abstract] |  |  |
Mineral estate area owned (in acres) | a |  | 13,900 |
Non-cash mineral interest impairment charge |  | $ 1,400 |

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- Definition Carrying amount at the balance sheet date of land and mineral rights, or rights to extract a mineral from the earth or to receive payment in the form of a royalty for the extraction of minerals, net of amortization. + References No definition available. + Details
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- Definition Leased area representing summation of fractional ownership working interest to whole on which oil and gas wells have not been drilled or completed that would permit production of economic quantities of oil and gas. Excludes area of undrilled acreage held by production under terms of lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1208 -Paragraph (b) + Details
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 + Details
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- Definition Capitalized costs of proved properties that include fee ownership or a lease, concession, or other interest representing the right to extract oil or gas subject to such terms as may be imposed by the conveyance of that interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61901-109447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -URI http://asc.fasb.org/subtopic&trid=2145654 + Details
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