REAL ESTATE OPERATIONS - Real Estate Operations Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues
Subsurface Revenue	$ 1,904	$ 4,724	$ 638
Revenue from contract with customer, including assessed tax	5,462	13,427	650
Mitigation Credit Sales | Real Estate Operations
Revenues
Revenue from contract with customer, including assessed tax	3,462	708	6
Fill Dirt and Other Revenue | Real Estate Operations
Revenues
Revenue from contract with customer, including assessed tax			$ 6
Land Sales Revenue | Real Estate Operations
Revenues
Revenue from contract with customer, including assessed tax	$ 96	$ 7,995