OTHER RESERVES (Tables)

12 Months Ended

Dec. 31, 2019

OTHER RESERVES

Schedule of components of other reserves and the movements in other reserves

	Equity		Cash flow		Costs of
	securities		hedge		hedging
	reserve		reserve		reserve		Total
Balance at January 1, 2018	$	(19,800)	$	10,763	$	3,092	$	(5,945)
Net change in fair value		(39,585)		(6,984)		(3,092)		(49,661)
Transfer of loss on disposal of equity securities at FVOCI to deficit		1,290		—		—		1,290
Hedging gains transferred to property, plant and mine development		—		(3,779)		—		(3,779)
Balance at December 31, 2018	$	(58,095)	$	—	$	—	$	(58,095)
Net change in fair value		12,238		—		—		12,238
Transfer of gain on disposal of equity securities at FVOCI to deficit		(2,065)		—		—		(2,065)
Balance at December 31, 2019	$	(47,922)	$	—	$	—	$	(47,922)