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INVESTMENTS - SUMMARIZED FINANCIAL INFORMATION (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Investment Holdings [Line Items]    
Revenues $ 18,113 $ 18,347
Net earnings 7,203 (4,677)
Investments in land development partnerships    
Investment Holdings [Line Items]    
Revenues 43,013 7,911
Gross Profit 24,759 4,071
Net earnings $ 20,612 $ 618