Fair Value - Summary of the Company's Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair value
Debt securities	$ 385,257
Recurring Basis
Fair value
Cash equivalents		$ 34,316
Assets, Total	385,257	388,405
Recurring Basis \| Level 1
Fair value
Cash equivalents		34,316
Assets, Total	210,249	215,357
Recurring Basis \| Level 2
Fair value
Assets, Total	175,008	173,048
U.S. government and agency debt securities \| Recurring Basis
Fair value
Debt securities	243,822	218,869
U.S. government and agency debt securities \| Recurring Basis \| Level 1
Fair value
Debt securities	210,249	181,041
U.S. government and agency debt securities \| Recurring Basis \| Level 2
Fair value
Debt securities	33,573	37,828
Corporate debt securities \| Recurring Basis
Fair value
Debt securities	141,435	131,224
Corporate debt securities \| Recurring Basis \| Level 2
Fair value
Debt securities	$ 141,435	131,224
Non-U.S. government debt securities \| Recurring Basis
Fair value
Debt securities		3,996
Non-U.S. government debt securities \| Recurring Basis \| Level 2
Fair value
Debt securities		$ 3,996

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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-Topic 326
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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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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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