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Other, Net
3 Months Ended
Mar. 31, 2021
Other Income and Expenses [Abstract]  
OTHER, NET ADDITIONAL COMPREHENSIVE INCOME (LOSS) DETAIL
Pre-development, reclamation, and other consists of the following:
 Three Months Ended March 31,
In thousands20212020
COVID-19$3,005 $272 
Silvertip ongoing carrying costs6,921 2,608 
Silvertip temporary suspension costs— 3,659 
Gain on modification of right of use lease— (4,051)
Asset retirement accretion2,905 2,847 
Other881 1,220 
Pre-development, reclamation and other$13,712 $6,555 

Other, net consists of the following:
 Three Months Ended March 31,
In thousands20212020
Foreign exchange gain (loss)$(773)$(76)
Gain (loss) on sale of assets4,053 
Gain (loss) on sale of Manquiri NSR consideration— 365 
Gain (loss) on Silvertip contingent consideration — 955 
Other347 628 
Other, net$3,627 $1,881