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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