INVESTMENTS - SUMMARIZED FINANCIAL INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Investment Holdings [Line Items]
Revenues	$ 5,114	$ 3,984	$ 13,499	$ 13,416
Net earnings (loss)	5,554	(3,467)	5,503	(5,404)
Investment in land development partnerships
Investment Holdings [Line Items]
Revenues	21,521	496	37,220	3,486
Gross Profit	12,656	140	20,300	1,587
Net earnings (loss)	$ 11,618	$ (501)	$ 16,932	$ (804)