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Fair Value of Financial Instruments - Marketable securities portfolio (Details) - Debt securities (government) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Summary of marketable security portfolio
Amortized Cost	$ 442,816	$ 292,580
Net Unrealized Losses	(149)	(5,037)
Estimated Fair Value	$ 442,667	$ 287,543
Minimum
Summary of marketable security portfolio
Contractual maturity dates	12 months
Maximum
Summary of marketable security portfolio
Contractual maturity dates	18 months

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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