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WATER AND LAND ASSETS - O&G Leases (Details) - a | 1 Months Ended |
--- | --- | ---
Sep. 30, 2017 | Aug. 31, 2011
Anadarko E&P Company, L.P |  |
Oil and Gas Lease Payments [Abstract] |  |
Oil and Gas, Undeveloped Acreage, Net |  | 634
Bison Oil and Gas LLP [Member] |  |
Oil and Gas Lease Payments [Abstract] |  |
Oil and Gas, Undeveloped Acreage, Net | 40 |
Term period of lease | 3 years |

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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 -Name Regulation S-K (SK) -Number 229 -Section 1208 -Paragraph b -Publisher SEC + Details
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