RELATED PARTY TRANSACTIONS (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2024 USD ($) lot	Mar. 31, 2023 USD ($) lot
Kaupulehu Developments
Related party transactions
Revenues - sale of interest in leasehold land	$ 500	$ 0	$ 500	$ 265
Kaupulehu Developments | KD Kaupulehu, LLLP | Increment I
Related party transactions
Revenues - sale of interest in leasehold land			$ 500	$ 265
Number of single family lots sold | lot			2	1
KD Acquisition, LLLP
Related party transactions
Ownership interest acquired	19.60%		19.60%
KD Acquisition II, LP | Barnwell Industries Inc
Related party transactions
Ownership interest acquired	10.80%		10.80%