Quarterly report pursuant to Section 13 or 15(d)

GENERAL (Details)

v3.20.2
GENERAL (Details)
6 Months Ended
Jun. 30, 2020
segment
Noncontrolling Interest [Line Items]  
Number of operating segments 2
Al Masane Al Kobra (AMAK)  
Noncontrolling Interest [Line Items]  
Percentage of ownership 28.30%
Pioche Ely Valley Mines, Inc. (PEVM)  
Noncontrolling Interest [Line Items]  
Percentage of ownership 55.00%