Fair Value Measurements - Schedule of Financial Assets Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Available-for-sale securities	$ 123,658	$ 112,292
Available-for-sale securities, long-term	5,003	13,547
Fair Value, Measurements
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total cash equivalents	10,130	31,726
Available-for-sale securities	123,658	112,292
Available-for-sale securities, long-term	5,003	13,547
Fair Value, Measurements | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total cash equivalents	10,130	31,726
Fair Value, Measurements | Significant Other Observable Inputs (Level 2)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Available-for-sale securities	123,658	112,292
Available-for-sale securities, long-term	5,003	13,547
Money Market Funds | Fair Value, Measurements
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total cash equivalents	10,130	31,726
Money Market Funds | Fair Value, Measurements | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total cash equivalents	10,130	31,726
US Treasury securities | Fair Value, Measurements
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Available-for-sale securities	108,579	61,373
Available-for-sale securities, long-term	5,003	13,547
US Treasury securities | Fair Value, Measurements | Significant Other Observable Inputs (Level 2)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Available-for-sale securities	108,579	61,373
Available-for-sale securities, long-term	5,003	13,547
Corporate debt securities | Fair Value, Measurements
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Available-for-sale securities		33,806
Corporate debt securities | Fair Value, Measurements | Significant Other Observable Inputs (Level 2)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Available-for-sale securities		33,806
Agency bonds | Fair Value, Measurements
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Available-for-sale securities	15,079	15,114
Agency bonds | Fair Value, Measurements | Significant Other Observable Inputs (Level 2)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Available-for-sale securities	$ 15,079	15,114
Commercial paper | Fair Value, Measurements
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Available-for-sale securities		1,999
Commercial paper | Fair Value, Measurements | Significant Other Observable Inputs (Level 2)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Available-for-sale securities		$ 1,999