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Fair Value Measurements - Summary of Financial Assets Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Money Market Funds | Level 1 |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Cash equivalents and marketable securities, Amortized Cost | $ 74,848 | $ 218,451
Cash equivalents and marketable securities, Unrealized Gains | 0 | 0
Cash equivalents and marketable securities, Unrealized Losses | 0 | 0
Cash equivalents and marketable securities, Fair Market Value | 74,848 | 218,451
U.S Government Treasury Securities | Level 1 |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Cash equivalents and marketable securities, Amortized Cost | 506,372 | 407,041
Cash equivalents and marketable securities, Unrealized Gains | 7 | 8
Cash equivalents and marketable securities, Unrealized Losses | (4,569) | (950)
Cash equivalents and marketable securities, Fair Market Value | 501,810 | 406,099
Commercial Paper | Level 2 |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Cash equivalents and marketable securities, Amortized Cost | 44,438 |
Cash equivalents and marketable securities, Unrealized Gains | 2 |
Cash equivalents and marketable securities, Unrealized Losses | (8) |
Cash equivalents and marketable securities, Fair Market Value | 44,432 |
Corporate Bonds | Level 2 |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Cash equivalents and marketable securities, Amortized Cost | 29,352 |
Cash equivalents and marketable securities, Unrealized Gains | 4 |
Cash equivalents and marketable securities, Unrealized Losses | (10) |
Cash equivalents and marketable securities, Fair Market Value | 29,346 |
Cash Equivalents and Marketable Securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Cash equivalents and marketable securities, Amortized Cost | 655,010 | 625,492
Cash equivalents and marketable securities, Unrealized Gains | 13 | 8
Cash equivalents and marketable securities, Unrealized Losses | (4,587) | (950)
Cash equivalents and marketable securities, Fair Market Value | $ 650,436 | $ 624,550

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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