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Summary of Significant Accounting Policies - Summary of Fair Value Measurement Financial Asset and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Assets [Abstract] |  |
Cash and cash equivalents | $ 23,200 | $ 52,000
Securities | 120,147 | 91,400
Investments | 120,147 | 91,400
Fair Value, Recurring |  |
Assets [Abstract] |  |
Total assets measured at fair value | 143,348 | 143,403
Money market funds |  |
Assets [Abstract] |  |
Cash and cash equivalents | 17,202 | 49,004
U.S Treasury securities |  |
Assets [Abstract] |  |
Securities | 81,132 | 60,623
Government-sponsored enterprises |  |
Assets [Abstract] |  |
Securities | 7,734 |
Corporate debt securities |  |
Assets [Abstract] |  |
Securities | 37,280 | 33,776
Quoted Prices in Active Markets for Identical Assets, Level 1 | Fair Value, Recurring |  |
Assets [Abstract] |  |
Total assets measured at fair value | 98,334 | 109,627
Quoted Prices in Active Markets for Identical Assets, Level 1 | Money market funds |  |
Assets [Abstract] |  |
Cash and cash equivalents | 17,202 | 49,004
Quoted Prices in Active Markets for Identical Assets, Level 1 | U.S Treasury securities |  |
Assets [Abstract] |  |
Securities | 81,132 | 60,623
Quoted Prices in Active Markets for Identical Assets, Level 1 | Government-sponsored enterprises |  |
Assets [Abstract] |  |
Securities | 0 |
Quoted Prices in Active Markets for Identical Assets, Level 1 | Corporate debt securities |  |
Assets [Abstract] |  |
Securities | 0 | 0
Significant Other Observable Inputs, Level 2 | Fair Value, Recurring |  |
Assets [Abstract] |  |
Total assets measured at fair value | 45,014 | 33,776
Significant Other Observable Inputs, Level 2 | Money market funds |  |
Assets [Abstract] |  |
Cash and cash equivalents | 0 | 0
Significant Other Observable Inputs, Level 2 | U.S Treasury securities |  |
Assets [Abstract] |  |
Securities | 0 | 0
Significant Other Observable Inputs, Level 2 | Government-sponsored enterprises |  |
Assets [Abstract] |  |
Securities | 7,734 |
Significant Other Observable Inputs, Level 2 | Corporate debt securities |  |
Assets [Abstract] |  |
Securities | $ 37,280 | $ 33,776

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
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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. + Details
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