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REAL ESTATE INVENTORY (Details) - USD ($)
$ in Thousands
Jul. 31, 2021
Apr. 30, 2021
Inventory Real Estate [Line Items]    
Homebuilding finished inventory $ 214 $ 417
Homebuilding construction in process 1,447 1,279
Real estate inventory 61,298 55,589
New Mexico    
Inventory Real Estate [Line Items]    
Land held for development or sale 55,640 49,918
Colorado    
Inventory Real Estate [Line Items]    
Land held for development or sale $ 3,997 $ 3,975