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Unabsorbed cost due to production stoppage (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Unabsorbed Cost Due to Production Stoppage [Line Items] |  |  |
Unabsorbed cost due to production stoppage | $ 19,893 | $ 23,058 | $ 25,509
Direct labor |  |  |
Unabsorbed Cost Due to Production Stoppage [Line Items] |  |  |
Unabsorbed cost due to production stoppage | 6,144 | 6,505 | 3,418
Services provided by third parties |  |  |
Unabsorbed Cost Due to Production Stoppage [Line Items] |  |  |
Unabsorbed cost due to production stoppage | 5,654 | 7,608 | 19,214
Insurances |  |  |
Unabsorbed Cost Due to Production Stoppage [Line Items] |  |  |
Unabsorbed cost due to production stoppage | 2,782 | 867 | 456
Electricity and water |  |  |
Unabsorbed Cost Due to Production Stoppage [Line Items] |  |  |
Unabsorbed cost due to production stoppage | 1,741 | 2,510 | 22
Consumption of materials and supplies |  |  |
Unabsorbed Cost Due to Production Stoppage [Line Items] |  |  |
Unabsorbed cost due to production stoppage | 917 | 1,155 | 781
Short-term and low-value lease |  |  |
Unabsorbed Cost Due to Production Stoppage [Line Items] |  |  |
Unabsorbed cost due to production stoppage | 644 | 1,180 | 668
Maintenance and repairment |  |  |
Unabsorbed Cost Due to Production Stoppage [Line Items] |  |  |
Unabsorbed cost due to production stoppage | 606 | 330 | 275
Mining easement |  |  |
Unabsorbed Cost Due to Production Stoppage [Line Items] |  |  |
Unabsorbed cost due to production stoppage | 590 | 1,285 | 160
Transport |  |  |
Unabsorbed Cost Due to Production Stoppage [Line Items] |  |  |
Unabsorbed cost due to production stoppage | 316 | 301 | 87
Rights |  |  |
Unabsorbed Cost Due to Production Stoppage [Line Items] |  |  |
Unabsorbed cost due to production stoppage | 177 | 214 | 0
Other |  |  |
Unabsorbed Cost Due to Production Stoppage [Line Items] |  |  |
Unabsorbed cost due to production stoppage | $ 322 | $ 1,103 | $ 428

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