Quarterly report [Sections 13 or 15(d)]

WATER, LAND AND OTHER FIXED ASSETS - Schedule of investment in water and water systems (Details)

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WATER, LAND AND OTHER FIXED ASSETS - Schedule of investment in water and water systems (Details)
3 Months Ended 9 Months Ended
May 31, 2025
USD ($)
claim
May 31, 2025
USD ($)
claim
acre ft
Feb. 07, 2025
USD ($)
Aug. 31, 2024
USD ($)
Dec. 31, 2020
USD ($)
Property, Plant and Equipment, Net [Abstract]          
Water And Water Systems, Gross $ 77,967,000 $ 77,967,000   $ 72,251,000  
Accumulated depreciation and depletion (13,013,000) (13,013,000)   (11,765,000)  
Net investments in water and water systems 64,954,000 $ 64,954,000   60,486,000  
Cost of water and land portions of asset acquisition $ 0        
Volume of water adjudicated         1,635
Volume of water adjudicated, denied     1,635    
Remaining claims | claim 3 3      
Rangeview water system          
Property, Plant and Equipment, Net [Abstract]          
Water And Water Systems, Gross $ 31,695,000 $ 31,695,000   23,381,000  
Accumulated depreciation and depletion (5,644,000) (5,644,000)   (3,579,000)  
Rangeview water supply          
Property, Plant and Equipment, Net [Abstract]          
Water And Water Systems, Gross 16,198,000 16,198,000   15,889,000  
Accumulated depreciation and depletion (21,000) (21,000)   (20,000)  
Water supply - Other          
Property, Plant and Equipment, Net [Abstract]          
Water And Water Systems, Gross 1,300,000 1,300,000   7,588,000  
Accumulated depreciation and depletion (1,136,000) (1,136,000)   (2,307,000)  
Sky Ranch water rights and other costs          
Property, Plant and Equipment, Net [Abstract]          
Water And Water Systems, Gross 7,690,000 7,690,000   7,764,000  
Accumulated depreciation and depletion (1,661,000) (1,661,000)   (1,641,000)  
Sky Ranch pipeline          
Property, Plant and Equipment, Net [Abstract]          
Water And Water Systems, Gross 5,740,000 5,740,000   5,740,000  
Accumulated depreciation and depletion (1,510,000) (1,510,000)   (1,366,000)  
Lost Creek water supply          
Property, Plant and Equipment, Net [Abstract]          
Water And Water Systems, Gross 10,812,000 10,812,000   7,357,000  
Cost of water and land portions of asset acquisition   $ 3,500,000      
Henrylyn Irrigation District [Member]          
Property, Plant and Equipment, Net [Abstract]          
Volume of water purchased | acre ft   378      
Lost Creek Designated Basin [Member]          
Property, Plant and Equipment, Net [Abstract]          
Volume of water purchased | acre ft   220      
Fairgrounds water and water system          
Property, Plant and Equipment, Net [Abstract]          
Water And Water Systems, Gross 2,900,000 $ 2,900,000   2,900,000  
Accumulated depreciation and depletion (1,657,000) (1,657,000)   (1,591,000)  
Wild Pointe service rights          
Property, Plant and Equipment, Net [Abstract]          
Water And Water Systems, Gross 1,632,000 1,632,000   1,632,000  
Accumulated depreciation and depletion $ (1,384,000) $ (1,384,000)   $ (1,261,000)