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Tahoe Acquisition - Additional Information (Details) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Feb. 22, 2019 USD ($) shares right | Dec. 31, 2020 USD ($) shares | Dec. 31, 2019 USD ($) shares
Disclosure of detailed information about business combination [line items] |  |  |
Acquisition-related costs | $ |  | $ 0 | $ 7,515
Tahoe Resources, Inc [member] |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Percentage of voting equity interests acquired | 100.00% |  |
Cash transferred | $ | $ 275,008 |  |
Number of shares issued (shares) | 72,426,594 |  |
Contingent consideration, term of CVRs | 10 years |  |
Contingent consideration, portion of Pan American shares exchanged for each CVR | 0.0497 |  |
Common Shares [Member] | Tahoe Resources, Inc [member] |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Number of shares issued (shares) | 55,990,512 |  |
CVRs [Member] | Tahoe Resources, Inc [member] |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Number of shares issued (shares) | 15,600,208 | 15,600,034 | 15,600,208
Number of CVRs issued | right | 313,887,490 |  |

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