Financial risk management (Details)
$ in Thousands |
Dec. 31, 2025
USD ($)
|
| Currency Risk U S D [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Foreign exchange rate exposure, cash and cash equivalents |
5.5024
|
| Cash and cash equivalents and financial investments, foreign exchange amount |
$ 12,513
|
| Foreign exchange rate, loans and financing |
5.5024
|
| Loans and financings amount |
$ 180,080
|
| Foreign exchange rate, other financial instruments |
5.5024
|
| Other financial instruments amount |
$ 750,000
|
| Currency Risk U S D [Member] | Income Statement [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Changes from foreign exchange rate, cash and cash equivalents |
(1.20%)
|
| Interest rate at scenario1, cash and cash equivalents |
$ (150)
|
| Interest price at negative25, cash and cash equivalents |
(3,128)
|
| Exchange price at negative50, cash and cash equivalents |
(6,256)
|
| Exchange price at positive25, cash and cash equivalents |
3,128
|
| Exchange price at positive50, cash and cash equivalents |
$ 6,256
|
| Foreign exchange interest rates, loans and financings |
(1.20%)
|
| Interest rate at scenario1, loans and financings |
$ 2,161
|
| Exchange price at negative25, loans and financings |
45,020
|
| Exchange price at negative50, loans and financings |
90,040
|
| Exchange price at positive25, loans and financings |
(45,020)
|
| Exchange price at positive50, loans and financings |
$ (90,040)
|
| Foreign exchange rates, other financial instruments |
(1.20%)
|
| Exchange rate at scenario1, other financial instruments |
$ 1,559
|
| Exchange price at negative25, other financial instruments |
42,818
|
| Exchange price at negative50, other financial instruments |
128,453
|
| Exchange price at positive25, other financial instruments |
(25,691)
|
| Exchange price at positive50, other financial instruments |
(42,818)
|
| Currency Risk U S D [Member] | Comprehensive Incomes [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest rate at scenario1, cash and cash equivalents |
|
| Interest price at negative25, cash and cash equivalents |
|
| Exchange price at negative50, cash and cash equivalents |
|
| Exchange price at positive25, cash and cash equivalents |
|
| Exchange price at positive50, cash and cash equivalents |
|
| Interest rate at scenario1, loans and financings |
|
| Exchange price at negative25, loans and financings |
|
| Exchange price at negative50, loans and financings |
|
| Exchange price at positive25, loans and financings |
|
| Exchange price at positive50, loans and financings |
|
| Exchange rate at scenario1, other financial instruments |
|
| Exchange price at negative25, other financial instruments |
|
| Exchange price at negative50, other financial instruments |
|
| Exchange price at positive50, other financial instruments |
|
| Interest price at positive25, other financial instruments |
|
| Currency Risk EUR [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Foreign exchange rate exposure, cash and cash equivalents |
6.4692
|
| Cash and cash equivalents and financial investments, foreign exchange amount |
$ 4,856
|
| Currency Risk EUR [Member] | Income Statement [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Changes from foreign exchange rate, cash and cash equivalents |
(0.42%)
|
| Interest rate at scenario1, cash and cash equivalents |
$ (20)
|
| Interest price at negative25, cash and cash equivalents |
(1,214)
|
| Exchange price at negative50, cash and cash equivalents |
(2,428)
|
| Exchange price at positive25, cash and cash equivalents |
1,214
|
| Exchange price at positive50, cash and cash equivalents |
2,428
|
| Currency Risk EUR [Member] | Comprehensive Incomes [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest rate at scenario1, cash and cash equivalents |
|
| Interest price at negative25, cash and cash equivalents |
|
| Exchange price at negative50, cash and cash equivalents |
|
| Exchange price at positive25, cash and cash equivalents |
|
| Exchange price at positive50, cash and cash equivalents |
|
| Currency Risk PEN [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Foreign exchange rate exposure, cash and cash equivalents |
1.6365
|
| Cash and cash equivalents and financial investments, foreign exchange amount |
$ 51,177
|
| Currency Risk PEN [Member] | Income Statement [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Changes from foreign exchange rate, cash and cash equivalents |
(4.75%)
|
| Interest rate at scenario1, cash and cash equivalents |
$ (2,429)
|
| Interest price at negative25, cash and cash equivalents |
(12,794)
|
| Exchange price at negative50, cash and cash equivalents |
(25,588)
|
| Exchange price at positive25, cash and cash equivalents |
12,794
|
| Exchange price at positive50, cash and cash equivalents |
25,588
|
| Currency Risk PEN [Member] | Comprehensive Incomes [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest rate at scenario1, cash and cash equivalents |
|
| Interest price at negative25, cash and cash equivalents |
|
| Exchange price at negative50, cash and cash equivalents |
|
| Exchange price at positive25, cash and cash equivalents |
|
| Exchange price at positive50, cash and cash equivalents |
|
| Currency Risk BRL CDI SELIC [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Cash and cash equivalents and financial investments, interest rate |
14.90%
|
| Cash and cash equivalents and financial investments, interest exchange amount |
$ 134,737
|
| Loans and financings amount |
$ 130,157
|
| Interest rate, loans and financing |
14.90%
|
| Interest rates, other financial instruments |
14.90%
|
| Other financial instruments interest amount |
$ 750,000
|
| Currency Risk BRL CDI SELIC [Member] | Income Statement [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest rate at scenario1, cash and cash equivalents |
(983)
|
| Interest price at negative25, cash and cash equivalents |
(5,019)
|
| Exchange price at negative50, cash and cash equivalents |
(10,038)
|
| Exchange price at positive25, cash and cash equivalents |
5,019
|
| Exchange price at positive50, cash and cash equivalents |
$ 10,038
|
| Interest rates, loans and financing |
(72.92%)
|
| Interest rate at scenario1, loans and financings |
$ 949
|
| Interest price at negative25, loans and financings |
4,848
|
| Interest price at negative50, loans and financings |
9,697
|
| Interest price at positive25, loans and financings |
(4,848)
|
| Interest price at positive50, loans and financings |
(9,697)
|
| Interest price at positive25, other financial instruments |
$ (519)
|
| Interest rates, other financial instruments |
(72.92%)
|
| Interest rate at scenario1, other financial instruments |
$ 108
|
| Interest price at negative25, other financial instruments |
570
|
| Interest price at negative50, other financial instruments |
1,199
|
| Interest price at positive50, other financial instruments |
(992)
|
| Currency Risk BRL CDI SELIC [Member] | Comprehensive Incomes [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest rate at scenario1, cash and cash equivalents |
|
| Interest price at negative25, cash and cash equivalents |
|
| Exchange price at negative50, cash and cash equivalents |
|
| Exchange price at positive25, cash and cash equivalents |
|
| Exchange price at positive50, cash and cash equivalents |
|
| Interest rate at scenario1, loans and financings |
|
| Interest price at negative25, loans and financings |
|
| Interest price at negative50, loans and financings |
|
| Interest price at positive25, loans and financings |
|
| Interest price at positive50, loans and financings |
|
| Interest price at positive25, other financial instruments |
|
| Interest rate at scenario1, other financial instruments |
|
| Interest price at negative25, other financial instruments |
|
| Interest price at negative50, other financial instruments |
|
| Currency Risk USD SOFR [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Loans and financings amount |
$ 180,080
|
| Interest rate, loans and financing |
3.64%
|
| Interest rates, other financial instruments |
3.64%
|
| Other financial instruments interest amount |
$ 870,943
|
| Currency Risk USD SOFR [Member] | Income Statement [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest rates, loans and financing |
(27.00%)
|
| Interest rate at scenario1, loans and financings |
$ 488
|
| Interest price at negative25, loans and financings |
1,638
|
| Interest price at negative50, loans and financings |
3,275
|
| Interest price at positive25, loans and financings |
(1,638)
|
| Interest price at positive50, loans and financings |
(3,275)
|
| Interest price at positive25, other financial instruments |
$ (113)
|
| Interest rates, other financial instruments |
27.00%
|
| Interest rate at scenario1, other financial instruments |
$ 23
|
| Interest price at negative25, other financial instruments |
113
|
| Interest price at negative50, other financial instruments |
226
|
| Interest price at positive50, other financial instruments |
(225)
|
| Currency Risk USD SOFR [Member] | Comprehensive Incomes [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest rate at scenario1, loans and financings |
|
| Interest price at negative25, loans and financings |
|
| Interest price at negative50, loans and financings |
|
| Interest price at positive25, loans and financings |
|
| Interest price at positive50, loans and financings |
|
| Interest price at positive25, other financial instruments |
(97)
|
| Interest rate at scenario1, other financial instruments |
9
|
| Interest price at negative25, other financial instruments |
99
|
| Interest price at negative50, other financial instruments |
199
|
| Interest price at positive50, other financial instruments |
(194)
|
| Currency Risk IPCA TLP [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Loans and financings amount |
$ 166,364
|
| Interest rate, loans and financing |
4.26%
|
| Currency Risk IPCA TLP [Member] | Income Statement [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest rates, loans and financing |
6.00%
|
| Interest rate at scenario1, loans and financings |
$ (102)
|
| Interest price at negative25, loans and financings |
1,772
|
| Interest price at negative50, loans and financings |
3,544
|
| Interest price at positive25, loans and financings |
(1,772)
|
| Interest price at positive50, loans and financings |
(3,544)
|
| Currency Risk IPCA TLP [Member] | Comprehensive Incomes [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest rate at scenario1, loans and financings |
|
| Interest price at negative25, loans and financings |
|
| Interest price at negative50, loans and financings |
|
| Interest price at positive25, loans and financings |
|
| Interest price at positive50, loans and financings |
|
| Currency Risk B R L T J L P [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Loans and financings amount |
$ 18,047
|
| Interest rate, loans and financing |
9.07%
|
| Currency Risk B R L T J L P [Member] | Income Statement [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest rates, loans and financing |
11.00%
|
| Interest rate at scenario1, loans and financings |
$ (20)
|
| Interest price at negative25, loans and financings |
409
|
| Interest price at negative50, loans and financings |
818
|
| Interest price at positive25, loans and financings |
(409)
|
| Interest price at positive50, loans and financings |
(818)
|
| Currency Risk B R L T J L P [Member] | Comprehensive Incomes [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest rate at scenario1, loans and financings |
|
| Interest price at negative25, loans and financings |
|
| Interest price at negative50, loans and financings |
|
| Interest price at positive25, loans and financings |
|
| Interest price at positive50, loans and financings |
|
| Currency Risk BRL [Member] | Comprehensive Incomes [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Exchange price at positive50, other financial instruments |
|
| Dollar Coupon [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest rates, other financial instruments |
4.81%
|
| Other financial instruments interest amount |
$ 650,000
|
| Dollar Coupon [Member] | Income Statement [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest price at positive25, other financial instruments |
$ (30,324)
|
| Interest rates, other financial instruments |
(41.00%)
|
| Interest rate at scenario1, other financial instruments |
$ (2,617)
|
| Interest price at negative25, other financial instruments |
30,324
|
| Interest price at negative50, other financial instruments |
60,649
|
| Interest price at positive50, other financial instruments |
(60,649)
|
| Dollar Coupon [Member] | Comprehensive Incomes [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest price at positive25, other financial instruments |
|
| Interest rate at scenario1, other financial instruments |
|
| Interest price at negative25, other financial instruments |
|
| Interest price at negative50, other financial instruments |
|
| Interest price at positive50, other financial instruments |
|
| Zinc [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Commodities price |
3,063
|
| Other financial instruments, commodities price |
743,061
|
| Zinc [Member] | Income Statement [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest price at negative25, other financial instruments |
$ 27,379
|
| Commodities price, other financial instruments |
(6.97%)
|
| Commodity rate at scenario1, other financial instruments |
$ 9,676
|
| Commodity price at negative50, other financial instruments |
54,757
|
| Commodity price at positive25, other financial instruments |
(27,378)
|
| Commodity price at positive50, other financial instruments |
(54,757)
|
| Zinc [Member] | Comprehensive Incomes [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Commodity rate at scenario1, other financial instruments |
(3,880)
|
| Commodity price at negative50, other financial instruments |
(21,957)
|
| Commodity price at positive25, other financial instruments |
10,978
|
| Commodity price at positive50, other financial instruments |
21,957
|
| Commodity price at negative25, other financial instruments |
(10,978)
|
| Gold [member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Commodities price |
4,337
|
| Other financial instruments, commodities price |
8,968
|
| Gold [member] | Income Statement [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest price at negative25, other financial instruments |
|
| Commodities price, other financial instruments |
(12.98%)
|
| Commodity rate at scenario1, other financial instruments |
|
| Commodity price at negative50, other financial instruments |
|
| Commodity price at positive25, other financial instruments |
|
| Commodity price at positive50, other financial instruments |
|
| Gold [member] | Comprehensive Incomes [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Commodity rate at scenario1, other financial instruments |
628
|
| Commodity price at negative50, other financial instruments |
3,716
|
| Commodity price at positive25, other financial instruments |
2
|
| Commodity price at positive50, other financial instruments |
(3,473)
|
| Commodity price at negative25, other financial instruments |
1,506
|
| Silver [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Commodities price |
71
|
| Other financial instruments, commodities price |
118,914
|
| Silver [Member] | Income Statement [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Interest price at negative25, other financial instruments |
|
| Commodities price, other financial instruments |
(41.66%)
|
| Commodity rate at scenario1, other financial instruments |
|
| Commodity price at negative50, other financial instruments |
|
| Commodity price at positive25, other financial instruments |
|
| Commodity price at positive50, other financial instruments |
|
| Silver [Member] | Comprehensive Incomes [Member] |
|
| IfrsStatementLineItems [Line Items] |
|
| Commodity rate at scenario1, other financial instruments |
24,057
|
| Commodity price at negative50, other financial instruments |
33,436
|
| Commodity price at positive25, other financial instruments |
(15,857)
|
| Commodity price at positive50, other financial instruments |
(37,075)
|
| Commodity price at negative25, other financial instruments |
$ 13,506
|