Fair Value Measurements (Details) - Recurring - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Assets:
Assets	$ 171,777	$ 234,011
Money market funds
Assets:
Cash equivalents	75,413	121,018
Restricted cash	2,449	2,448
U.S. Treasury notes
Assets:
Marketable securities	93,915	110,545
Level 1
Assets:
Assets	77,862	123,466
Level 1 \| Money market funds
Assets:
Cash equivalents	75,413	121,018
Restricted cash	2,449	2,448
Level 2
Assets:
Assets	93,915	110,545
Level 2 \| U.S. Treasury notes
Assets:
Marketable securities	$ 93,915	$ 110,545

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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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

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
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The aggregate value of all restricted investments.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 954
-SubTopic 210
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