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Summary of Significant Accounting Policies - Summary of Fair Value Assets Measured on Recurring Basis for Cash, Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents | $ 235,524 | $ 211,962
Fair Value Measurements Recurring |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Adjusted cost | 245,512 | 231,219
Gross unrealized gains (losses) | 1 |
Fair value | 245,513 | 231,219
Cash and cash equivalents | 235,524 | 211,962
Marketable securities | 9,989 | 19,257
Fair Value Measurements Recurring | Cash |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Adjusted cost | 48,817 | 52,812
Fair value | 48,817 | 52,812
Cash and cash equivalents | 48,817 | 52,812
Fair Value Measurements Recurring | Level 1 | Money Market Accounts |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Adjusted cost | 186,707 | 159,150
Fair value | 186,707 | 159,150
Cash and cash equivalents | 186,707 | 159,150
Fair Value Measurements Recurring | Level 2 | Corporate Bonds |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Adjusted cost | 9,988 | 11,549
Gross unrealized gains (losses) | 1 | (1)
Fair value | 9,989 | 11,548
Marketable securities | $ 9,989 | 11,548
Fair Value Measurements Recurring | Level 2 | US Treasury Securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Adjusted cost |  | 4,107
Fair value |  | 4,107
Marketable securities |  | 4,107
Fair Value Measurements Recurring | Level 2 | Agency Mortgage-backed Securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Adjusted cost |  | 3,601
Gross unrealized gains (losses) |  | 1
Fair value |  | 3,602
Marketable securities |  | $ 3,602

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