XML 50 R31.htm IDEA: XBRL DOCUMENT v3.22.4
PROPERTY, PLANT AND EQUIPMENT - Net Book Value of Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Property, Plant and Equipment [Line Items]    
Total Property, Plant and Equipment $ 90,078 $ 14,479
Mineral rights and properties    
Property, Plant and Equipment [Line Items]    
Total Property, Plant and Equipment 8,972 8,972
Other property, plant and equipment    
Property, Plant and Equipment [Line Items]    
Total Property, Plant and Equipment 5,769 4,490
Construction in progress    
Property, Plant and Equipment [Line Items]    
Total Property, Plant and Equipment 75,337 1,017
Alabama    
Property, Plant and Equipment [Line Items]    
Total Property, Plant and Equipment 90,054 14,451
Alabama | Mineral rights and properties    
Property, Plant and Equipment [Line Items]    
Total Property, Plant and Equipment 8,972 8,972
Alabama | Other property, plant and equipment    
Property, Plant and Equipment [Line Items]    
Total Property, Plant and Equipment 5,745 4,462
Alabama | Construction in progress    
Property, Plant and Equipment [Line Items]    
Total Property, Plant and Equipment 75,337 1,017
Corporate    
Property, Plant and Equipment [Line Items]    
Total Property, Plant and Equipment 24 28
Corporate | Other property, plant and equipment    
Property, Plant and Equipment [Line Items]    
Total Property, Plant and Equipment $ 24 $ 28