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Financial instruments - Renegotiated Portfolio and Impairment Provision for Doubtful Receivables (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Financial instruments [Line Items] |  |
Total Gross Book Value | $ 907,181 | $ 1,087,420
Trade receivables due from related parties |  |
Financial instruments [Line Items] |  |
Total Gross Book Value | 44,053 | 83,000
Impairment Estimate | $ 800 | $ 1,378
Current |  |
Financial instruments [Line Items] |  |
Expected Loss Rate on | 0.00% | 0.00%
Total Gross Book Value | $ 758,781 | $ 968,129
Impairment Estimate | $ 1,007 | $ 948
1 to 30 days |  |
Financial instruments [Line Items] |  |
Expected Loss Rate on | 2.00% | 1.00%
Total Gross Book Value | $ 18,732 | $ 30,187
Impairment Estimate | $ 422 | $ 391
31 to 60 days |  |
Financial instruments [Line Items] |  |
Expected Loss Rate on | 7.00% | 7.00%
Total Gross Book Value | $ 2,684 | $ 1,457
Impairment Estimate | $ 197 | $ 108
61 to 90 days |  |
Financial instruments [Line Items] |  |
Expected Loss Rate on | 2.00% | 6.00%
Total Gross Book Value | $ 3,509 | $ 3,336
Impairment Estimate | $ 67 | $ 186
Over 90 days |  |
Financial instruments [Line Items] |  |
Expected Loss Rate on | 39.00% | 81.00%
Total Gross Book Value | $ 3,961 | $ 3,873
Impairment Estimate | 1,552 | 3,126
Trade |  |
Financial instruments [Line Items] |  |
Total Gross Book Value | 787,667 | 1,006,982
Impairment Estimate | $ 3,245 | $ 4,759

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