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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2019
Summary of Significant Accounting Policies [Abstract]  
Disclosure of subsidiaries
The principal subsidiaries of the Company and their geographic locations at December 31, 2019 were as follows:
Subsidiary
 
Location
 
Ownership
Interest
 
Accounting
 
Operations and Development
Projects Owned
Pan American Silver Huaron S.A.
 
Peru
 
100
%
 
Consolidated
 
Huaron mine
Compañía Minera Argentum S.A.
 
Peru
 
92
%
 
Consolidated
 
Morococha mine
Shahuindo S.A.C
 
Peru
 
100
%
 
Consolidated
 
Shahuindo mine
La Arena S.A.
 
Peru
 
100
%
 
Consolidated
 
La Arena mine
Plata Panamericana S.A. de C.V.
 
Mexico
 
100
%
 
Consolidated
 
La Colorada mine
Compañía Minera Dolores S.A. de C.V.
 
Mexico
 
100
%
 
Consolidated
 
Dolores mine
Minera Tritón Argentina S.A.
 
Argentina
 
100
%
 
Consolidated
 
Manantial Espejo mine & Cap-Oeste Sur Este ("COSE") project
Minera Joaquin S.R.L.
 
Argentina
 
100
%
 
Consolidated
 
Joaquin project
Minera Argenta S.A.
 
Argentina
 
100
%
 
Consolidated
 
Navidad project
Pan American Silver (Bolivia) S.A.
 
Bolivia
 
95
%
 
Consolidated
 
San Vicente mine
Lake Shore Gold Corp.
 
Canada
 
100
%
 
Consolidated
 
Bell Creek and Timmins West mines (together, "Timmins")
Minera San Rafael S.A. ("MSR")
 
Guatemala
 
100
%
 
Consolidated
 
Escobal mine
Disclosure of joint ventures
The principal subsidiaries of the Company and their geographic locations at December 31, 2019 were as follows:
Subsidiary
 
Location
 
Ownership
Interest
 
Accounting
 
Operations and Development
Projects Owned
Pan American Silver Huaron S.A.
 
Peru
 
100
%
 
Consolidated
 
Huaron mine
Compañía Minera Argentum S.A.
 
Peru
 
92
%
 
Consolidated
 
Morococha mine
Shahuindo S.A.C
 
Peru
 
100
%
 
Consolidated
 
Shahuindo mine
La Arena S.A.
 
Peru
 
100
%
 
Consolidated
 
La Arena mine
Plata Panamericana S.A. de C.V.
 
Mexico
 
100
%
 
Consolidated
 
La Colorada mine
Compañía Minera Dolores S.A. de C.V.
 
Mexico
 
100
%
 
Consolidated
 
Dolores mine
Minera Tritón Argentina S.A.
 
Argentina
 
100
%
 
Consolidated
 
Manantial Espejo mine & Cap-Oeste Sur Este ("COSE") project
Minera Joaquin S.R.L.
 
Argentina
 
100
%
 
Consolidated
 
Joaquin project
Minera Argenta S.A.
 
Argentina
 
100
%
 
Consolidated
 
Navidad project
Pan American Silver (Bolivia) S.A.
 
Bolivia
 
95
%
 
Consolidated
 
San Vicente mine
Lake Shore Gold Corp.
 
Canada
 
100
%
 
Consolidated
 
Bell Creek and Timmins West mines (together, "Timmins")
Minera San Rafael S.A. ("MSR")
 
Guatemala
 
100
%
 
Consolidated
 
Escobal mine