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REAL ESTATE OPERATIONS - Subsurface Interests (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
USD ($)
a
Dec. 31, 2021
USD ($)
a
Dec. 31, 2020
USD ($)
a
Subsurface interests      
Area of land (in acres) | a 14,600 84,900 345
Revenue from contract with customer, including assessed tax $ 5,462 $ 13,427 $ 650
Royalty      
Subsurface interests      
Area of land (in acres) | a 800 800 800
Revenue from contract with customer, including assessed tax $ 100 $ 100 $ 100
Subsurface Interests      
Subsurface interests      
Revenue from contract with customer, including assessed tax     400
Surface land over subsurface interests      
Subsurface interests      
Area of land (in acres) | a 355,000    
Revenue recognized for cash payments for the release of surface entry rights $ 200 100 $ 200
Real Estate Operations | Subsurface Revenue, Land Sales      
Subsurface interests      
Revenue from contract with customer, including assessed tax $ 1,700 $ 4,600