REAL ESTATE OPERATIONS - Real Estate Operations Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues
Subsurface Revenue	$ 4,724	$ 638	$ 748
Revenue from contract with customer, including assessed tax	13,427	650	852
Discontinued operations
Revenues
Revenue from contract with customer, including assessed tax			11,043
Mitigation Credit Sales
Revenues
Revenue from contract with customer, including assessed tax	708	6
Mitigation Credit Sales | Real Estate Operations
Revenues
Revenue from contract with customer, including assessed tax	708	6
Land Sales Revenue
Revenues
Revenue from contract with customer, including assessed tax	7,995
Land Sales Revenue | Discontinued operations
Revenues
Revenue from contract with customer, including assessed tax			10,975
Land Sales Revenue | Real Estate Operations
Revenues
Revenue from contract with customer, including assessed tax	$ 7,995
Fill Dirt and Other Revenue
Revenues
Revenue from contract with customer, including assessed tax		6	104
Fill Dirt and Other Revenue | Real Estate Operations
Revenues
Revenue from contract with customer, including assessed tax		$ 6	104
Agriculture | Discontinued operations
Revenues
Revenue from contract with customer, including assessed tax			$ 68