COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2021

COMMITMENTS AND CONTINGENCIES

Schedule of minimum commitments and related payments due

	Payments due by period
	2022		2023		2024		2025		Thereafter			Total
Mining and surface rights	$	492	$	488	$	470	$	443	$	—	$	1,893
Exploration		8,116		15,080		—		—		—		23,196
Reclamation costs(1)		6,358		5,873		525		1,186		29,215		43,157
Long-term debt		4,875		14,712		32,710		10,027		—		62,324
Lease obligations		2,949		1,058		441		—		—		4,448
Total	$	22,791	$	37,210	$	34,146	$	11,656	$	29,215	$	135,018

(1) Amounts presented represent the undiscounted uninflated future payments.