REAL ESTATE OPERATIONS - Subsurface Interests (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) a	Sep. 30, 2021 USD ($) a	Sep. 30, 2022 USD ($) a	Sep. 30, 2021 USD ($) a
Royalty
Subsurface interests
Revenue from contract with customer, including assessed tax			$ 30	$ 30
Surface land over subsurface interests
Subsurface interests
Area of land (in acres) | a	355,000		355,000
Revenue recognized for cash payments for the release of surface entry rights			$ 200	$ 100
Real Estate Operations | Subsurface Revenue, Land Sales
Subsurface interests
Area of land sold (in acres) | a	1,500	4,700	14,582	39,200
Revenue from contract with customer, including assessed tax	$ 700	$ 900	$ 1,600	$ 3,500