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Trade and other receivables, net (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Trade and other receivables, net |  |  |  |  |  |
Trade receivables, gross |  | $ 181,968 |  | $ 226,112 |  |
Trade receivables, net ,Allowance for doubtful accounts |  | (22,128) | [1] | (22,016) | [1] | $ (22,013)
Trade receivables, net |  | 159,840 |  | 204,096 |  |
Other receivables, gross |  | 183,054 |  | 182,137 |  |
Other receivables |  | 173,337 |  | 172,131 |  |
Total trade and other receivables, net |  | 333,177 |  | 376,227 |  |
Classification by maturity: |  |  |  |  |  |
Current portion |  | 230,830 |  | 287,712 |  |
Non-current portion |  | 102,347 |  | 88,515 |  |
Total trade and other receivables, net |  | 333,177 |  | 376,227 |  |
Classification by nature: |  |  |  |  |  |
Financial receivables |  | 288,207 |  | 320,242 |  |
Non-financial receivables |  | 44,970 |  | 55,985 |  |
Total trade and other receivables, net |  | 333,177 |  | 376,227 |  |
Classification by measurement : |  |  |  |  |  |
Trade receivables (without provisional prices) |  | 33,287 |  | 38,550 |  |
Trade receivables (with provisional prices) |  | 126,553 |  | 165,546 |  |
Other accounts receivables |  | 173,337 |  | 172,131 |  |
Total trade and other receivables, net |  | 333,177 |  | 376,227 |  |
Minera Yanacocha SRL and subsidiary [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Trade receivables, net |  | 29,042 |  | 16,400 |  |
Other receivables, gross |  | 34,185 |  | 43,311 |  |
Other receivables |  | 32,801 |  | 41,927 |  |
Total trade and other receivables, net |  | 49,720 |  | 42,610 |  |
Classification by maturity: |  |  |  |  |  |
Current portion |  | 28,044 |  | 18,962 |  |
Non-current portion |  | 21,676 |  | 23,648 |  |
Total trade and other receivables, net |  | 49,720 |  | 42,610 |  |
Classification by nature: |  |  |  |  |  |
Financial receivables |  | 27,658 |  | 15,016 |  |
Non-financial receivables |  | 22,062 |  | 27,594 |  |
Total trade and other receivables, net |  | 49,720 |  | 42,610 |  |
Classification by measurement : |  |  |  |  |  |
Total trade and other receivables, net |  | 49,720 |  | 42,610 |  |
Domestic clients [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Trade receivables, gross |  | 129,283 |  | 141,005 |  |
Foreign clients [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Trade receivables, gross |  | 46,612 |  | 78,860 |  |
Foreign clients [Member] | Minera Yanacocha SRL and subsidiary [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Trade receivables, gross |  | 16,919 |  | 683 |  |
Related entities [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Trade receivables, gross | [2] | 6,073 |  | 6,247 |  |
Other receivables, gross |  | 2,312 |  | 2,967 |  |
Related entities [Member] | Minera Yanacocha SRL and subsidiary [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables |  | 2,300 |  | 598 |  |
Value added tax credit [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables, gross |  | 44,389 |  | 54,328 |  |
Refund application of value added tax [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables, gross | [3] | 581 |  | 1,657 |  |
Tax deposits [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables, gross |  | 12,413 |  | 6,644 |  |
Other [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables, gross |  | 475 |  | 743 |  |
Other [Member] | Minera Yanacocha SRL and subsidiary [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables |  | 2,728 |  | 5,247 |  |
Accounts receivables to third parties [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables, gross |  | 28,277 |  | 31,478 |  |
Due from sale of assets [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables, gross |  | 8,233 |  | 21,648 |  |
Advances to suppliers [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables, gross |  | 20,569 |  | 9,275 |  |
Advances to suppliers [Member] | Minera Yanacocha SRL and subsidiary [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables |  | 7,095 |  | 9,872 |  |
Interest Receivable [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables, gross |  | 2,648 |  | 3,244 |  |
Tax claims [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables, gross |  | 62,373 |  | 44,014 |  |
Tax claims [Member] | Minera Yanacocha SRL and subsidiary [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables |  | 386 |  | 3,946 |  |
Dividends Receivable [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables, gross |  |  |  | 2,501 |  |
Loan to Personel [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables, gross |  | 408 |  | 1,128 |  |
Bank Accounts in Trust [Member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Other receivables, gross | [4] | 376 |  | 2,510 |  |
Allowance for credit losses [member] |  |  |  |  |  |
Trade and other receivables, net |  |  |  |  |  |
Trade receivables, net ,Allowance for doubtful accounts | [1] | $ (9,717) |  | $ (10,006) |  |
[1] | (f)Below is presented the movement in the allowance for expected credit losses:
[2] | (b)Trade accounts receivable are denominated in U.S. dollars, are neither due nor impaired, do not yield interest and have no specific guarantees.
[3] | (c)Corresponds mainly to current year refunds applications that are pending as of December 31, 2020.
[4] | (e)Corresponds mainly to collections that are deposited into restricted bank accounts that only can be used for the payment of financial obligations held by the subsidiary Empresa de Generación Huanza S.A. (hereafter “Huanza”), according to the finance lease signed with Banco de Crédito del Perú in 2009. Below is presented the movement:

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