Fair Value Measurements (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	$ 65,101	$ 88,433
U.S. government agency bonds
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	18,824	21,499
Recurring
Liabilities that are measured at fair value on a recurring basis
Assets, fair value	104,495	96,172
Recurring \| Level 1
Liabilities that are measured at fair value on a recurring basis
Assets, fair value	9,050	1,262
Recurring \| Level 2
Liabilities that are measured at fair value on a recurring basis
Assets, fair value	95,445	94,910
Recurring \| Level 3
Liabilities that are measured at fair value on a recurring basis
Assets, fair value	0	0
Recurring \| Commercial paper (a)
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	15,071	15,606
Recurring \| Commercial paper (a) \| Cash and cash equivalents
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	6,500
Recurring \| Commercial paper (a) \| Level 1
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	0	0
Recurring \| Commercial paper (a) \| Level 2
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	15,071	15,606
Recurring \| Commercial paper (a) \| Level 3
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	0	0
Recurring \| Corporate notes
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	37,669	51,328
Recurring \| Corporate notes \| Level 1
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	0	0
Recurring \| Corporate notes \| Level 2
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	37,669	51,328
Recurring \| Corporate notes \| Level 3
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	0	0
Recurring \| U.S. government securities
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	23,881	0
Recurring \| U.S. government securities \| Cash and cash equivalents
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	23,900
Recurring \| U.S. government securities \| Level 1
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	0	0
Recurring \| U.S. government securities \| Level 2
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	23,881	0
Recurring \| U.S. government securities \| Level 3
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	0	0
Recurring \| U.S. government agency bonds
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	18,824	27,976
Recurring \| U.S. government agency bonds \| Cash and cash equivalents
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value		6,500
Recurring \| U.S. government agency bonds \| Level 1
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	0	0
Recurring \| U.S. government agency bonds \| Level 2
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	18,824	27,976
Recurring \| U.S. government agency bonds \| Level 3
Liabilities that are measured at fair value on a recurring basis
Debt securities, fair value	0	0
Recurring \| Money market funds
Liabilities that are measured at fair value on a recurring basis
Money market funds	9,050	1,262
Recurring \| Money market funds \| Level 1
Liabilities that are measured at fair value on a recurring basis
Money market funds	9,050	1,262
Recurring \| Money market funds \| Level 2
Liabilities that are measured at fair value on a recurring basis
Money market funds	0	0
Recurring \| Money market funds \| Level 3
Liabilities that are measured at fair value on a recurring basis
Money market funds	$ 0	$ 0

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).

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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.

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