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Fair value of financial instruments and marketable securities - Marketable Securities, Balance Sheet Disclosures (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Debt Securities, Available-for-Sale [Line Items]    
Marketable securities, Less Than 12 Months $ 518,763 $ 330,953
Commercial paper    
Debt Securities, Available-for-Sale [Line Items]    
Marketable securities, Less Than 12 Months 102,628 44,779
Corporate debt securities    
Debt Securities, Available-for-Sale [Line Items]    
Marketable securities, Less Than 12 Months 182,956 89,321
Government obligations    
Debt Securities, Available-for-Sale [Line Items]    
Marketable securities, Less Than 12 Months $ 233,179 $ 196,853