Other, Net (Tables)

12 Months Ended

Dec. 31, 2020

Other Income and Expenses [Abstract]

Schedule of Other Operating Cost and Expense, by Component

Pre-development, reclamation, and other consists of the following:

	Year Ended December 31,
In thousands	2020		2019		2018
COVID-19	$	15,414	$	—	$	—
Silvertip ongoing carrying costs	17,082		—		—
Silvertip temporary suspension costs	10,501		—		—
Gain on modification of right of use lease	(4,051)		—		—
Asset retirement accretion	11,754		12,154		11,116
Other	4,954		6,267		8,927
Pre-development, reclamation and other	$	55,654	$	18,421	$	20,043

Schedule of Other Nonoperating Income (Expense)

Other, net consists of the following:

	Year Ended December 31,
In thousands	2020		2019		2018
Foreign exchange gain (loss)	$	(2,245)	$	(4,346)	$	(9,069)
Gain (loss) on sale of assets	(2,849)		(714)		19
Gold zero cost collars novation fee	(3,819)		—		—
Gain (loss) on sale of Manquiri NSR consideration(1)	365		133		(18,599)
RMC receivable write-down	—		(1,040)		(6,536)
Mexico inflation adjustment	—		—		1,939
Gain (loss) on Silvertip contingent consideration	955		—		—
Interest income on notes receivable	—		198		1,776
Other	1,652		2,576		5,765
Other, net	$	(5,941)	$	(3,193)	$	(24,705)