Cash, Cash Equivalents and Investments - Summary of Fair Values of Cash, Cash Equivalents, and Short-Term Investments Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total cash and cash equivalents	$ 31,809	$ 69,724
Short term investments	62,534	37,078
Long term investments	5,001	19,933
Fair Value on Recurring | Cash
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total cash and cash equivalents	10,233	40,270
Fair Value on Recurring | Money market funds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total cash and cash equivalents	15,012	15,954
Fair Value on Recurring | Repurchase agreements
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total cash and cash equivalents	5,000	13,500
Fair Value on Recurring | Certificates of deposit
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Short term investments	4,319	6,928
Long term investments	1,429	4,575
Fair Value on Recurring | Municipal notes
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Short term investments	506	1,283
Long term investments	0	650
Fair Value on Recurring | Corporate notes
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total cash and cash equivalents	1,564	0
Short term investments	14,445	25,675
Long term investments	0	12,722
Fair Value on Recurring | Government and agency notes
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Short term investments	43,264	3,192
Long term investments	$ 3,572	$ 1,986