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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.

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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
-Publisher FASB
-Name Accounting Standards Codification
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Sum of the carrying amounts as of the balance sheet date of all investments.

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