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Cash and cash equivalents - Short-Term Investments, Classified as Cash Equivalents (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Disclosures Of Cash And Cash Equivalents [Line Items]    
Short-term investments, classified as cash equivalents $ 129,308 $ 340,800
Legg Mason - Western Asset Institutional cash reserves    
Disclosures Of Cash And Cash Equivalents [Line Items]    
Short-term investments, classified as cash equivalents 122,337 312,924
JP Morgan US dollar Liquidity Fund Institutional    
Disclosures Of Cash And Cash Equivalents [Line Items]    
Short-term investments, classified as cash equivalents 1,974 22,845
Banco Crédito e Inversiones    
Disclosures Of Cash And Cash Equivalents [Line Items]    
Short-term investments, classified as cash equivalents $ 4,997 $ 5,031