COMPANY BACKGROUND (Details) $ in Millions	1 Months Ended	12 Months Ended
	May 31, 2019 USD ($)	Dec. 31, 2019 Reporting_Segments Facility
Business Acquisition [Line Items]
Number of mining facilities | Facility		3
Number of reportable segments | Reporting_Segments		3
Dinwiddie Cattle Company [Member]
Business Acquisition [Line Items]
Purchase price	$ 53.0
Reduction of purchase consideration subjec to issues identified in the diligence process	12.0
Original purchase price	$ 65.0
Royalty term	20 years
Royalty term, percentage	0.1
Capitalize acquisition fees	$ 3.2