Fair Value Measurements and Fair Value of Financial Instruments - Schedule of Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale marketable securities	$ 319,036	$ 22,896
U.S. Treasury Bills
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale marketable securities		22,896
Fair Value, Recurring Basis
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total fair value of assets	319,036	51,946
Fair Value, Recurring Basis \| U.S. Treasury Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale marketable securities	30,196
Fair Value, Recurring Basis \| U.S. Treasury Bills
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents	2,391
Available-for-sale marketable securities	186,728	22,896
Fair Value, Recurring Basis \| Corporate Debt Obligations
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents	38,927
Fair Value, Recurring Basis \| Money Market Funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents	60,794	29,050
Fair Value, Recurring Basis \| Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total fair value of assets	60,794	29,050
Fair Value, Recurring Basis \| Level 1 \| Money Market Funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents	60,794	29,050
Fair Value, Recurring Basis \| Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total fair value of assets	258,242	22,896
Fair Value, Recurring Basis \| Level 2 \| U.S. Treasury Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale marketable securities	30,196
Fair Value, Recurring Basis \| Level 2 \| U.S. Treasury Bills
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents	2,391
Available-for-sale marketable securities	186,728	$ 22,896
Fair Value, Recurring Basis \| Level 2 \| Corporate Debt Obligations
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents	$ 38,927

Fair value portion of asset recognized for present right to economic benefit.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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