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WATER AND LAND ASSETS, Rangeview Water Supply and Water System (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Aug. 31, 2018 USD ($) a ServiceProvider Member acre ft | Nov. 30, 2015 a | Aug. 31, 2015 a
Rangeview Water Supply and Water System [Abstract] |  |  |
Area of land (in acres) | a | 931 | 700 | 14,600
SMWA [Member] |  |  |
Rangeview Water Supply and Water System [Abstract] |  |  |
Number of members | Member | 10 |  |
Investment in infrastructure | $ | $ 0 |  |
Rangeview District [Member] |  |  |
Rangeview Water Supply and Water System [Abstract] |  |  |
Percentage of remaining gross revenue retained | 2.00% |  |
Percentage of wastewater usage fees recognized as income | 10.00% |  |
Rangeview Water Agreements [Member] |  |  |
Rangeview Water Supply and Water System [Abstract] |  |  |
Volume of water | 11,650 |  |
Number of surrounding municipal water and wastewater service providers used as a benchmark for rates and charges | ServiceProvider | 3 |  |
Royalty on tap fees percentage | 2.00% |  |
Percentage of remaining gross revenue retained | 98.00% |  |
Percentage of wastewater tap fees recognized as income | 100.00% |  |
Percentage of wastewater usage fees recognized as income | 90.00% |  |
Rangeview Water Agreements [Member] | Minimum [Member] |  |  |
Rangeview Water Supply and Water System [Abstract] |  |  |
Royalty as a percentage of gross revenues | 10.00% |  |
Annual royalty payments | $ | $ 45,600 |  |
Rangeview Water Agreements [Member] | Maximum [Member] |  |  |
Rangeview Water Supply and Water System [Abstract] |  |  |
Royalty as a percentage of gross revenues | 12.00% |  |
Rangeview Water Agreements [Member] | Ground Water [Member] |  |  |
Rangeview Water Supply and Water System [Abstract] |  |  |
Volume of water | 10,000 |  |
Aggregate gross volume | 165,000 |  |
Additional volume of water | 13,685 |  |
Rangeview Water Agreements [Member] | Export Water [Member] | Minimum [Member] |  |  |
Rangeview Water Supply and Water System [Abstract] |  |  |
Royalty as a percentage of gross revenues | 10.00% |  |
Rangeview Water Agreements [Member] | Export Water [Member] | Maximum [Member] |  |  |
Rangeview Water Supply and Water System [Abstract] |  |  |
Royalty as a percentage of gross revenues | 12.00% |  |
Rangeview Water Agreements [Member] | Surface Water [Member] |  |  |
Rangeview Water Supply and Water System [Abstract] |  |  |
Volume of water | 1,650 |  |
Additional volume of water | 1,650 |  |
Rangeview Water Agreements [Member] | SMWA [Member] |  |  |
Rangeview Water Supply and Water System [Abstract] |  |  |
Investment in infrastructure | $ | $ 0 |  |
Rangeview Water Supply [Member] |  |  |
Rangeview Water Supply and Water System [Abstract] |  |  |
Area of land (in acres) | a | 27,000 |  |
Lowry Range [Member] |  |  |
Rangeview Water Supply and Water System [Abstract] |  |  |
Volume of water | 26,985 |  |

X
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