Fair Value - Summary of the Company's Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair value
Debt securities	$ 346,050
Recurring Basis
Fair value
Cash equivalents	37,132	$ 19,857
Assets, Total	383,182	465,639
Recurring Basis \| Level 1
Fair value
Cash equivalents	37,132	19,857
Assets, Total	203,559	188,496
Recurring Basis \| Level 2
Fair value
Assets, Total	179,623	277,143
U.S. government and agency debt securities \| Recurring Basis
Fair value
Debt securities	203,774	202,050
U.S. government and agency debt securities \| Recurring Basis \| Level 1
Fair value
Debt securities	166,427	168,639
U.S. government and agency debt securities \| Recurring Basis \| Level 2
Fair value
Debt securities	37,347	33,411
Corporate debt securities \| Recurring Basis
Fair value
Debt securities	130,591	204,943
Corporate debt securities \| Recurring Basis \| Level 2
Fair value
Debt securities	130,591	204,943
Non-U.S. government debt securities \| Recurring Basis
Fair value
Debt securities	11,685	38,789
Non-U.S. government debt securities \| Recurring Basis \| Level 2
Fair value
Debt securities	$ 11,685	$ 38,789

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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- Definition

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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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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- Definition

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.

+ References

No definition available.

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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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