Annual report pursuant to Section 13 and 15(d)

PARTICIPATING INTERESTS IN EXPORT WATER (Details)

v3.21.2
PARTICIPATING INTERESTS IN EXPORT WATER (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Aug. 31, 2017
PARTICIPATING INTERESTS IN EXPORT WATER [Abstract]      
Percentage of original recorded liability compared to original total liability 35.00%    
Percentage of payment remitted to CAA holders allocated to recorded liability account 35.00%    
Percentage of net proceeds from sale of export water allocated 88.00%    
Total Potential Third-Party Obligation [Roll Forward]      
Total Potential Third-Party Obligation $ 1,000   $ 31,800
Participating Interests Liability [Roll Forward]      
Participating interests liability 325 $ 328 11,100
Contingency [Roll Forward]      
Contingency     $ 20,700
Export Water [Abstract]      
Expected future export water payouts 6,300    
Revenue receivables from sale of export water 5,500    
Land Board Royalty expenses $ 200