Investments - Summary of Cash Equivalents and Investments Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Cash Cash Equivalents And Investments [Line Items]
Investments, estimated fair value	$ 50,874	$ 115,438
Fair Value on Recurring Basis
Cash Cash Equivalents And Investments [Line Items]
Cash equivalents and investments, amortized cost	90,189	139,910
Cash equivalents and investments, unrealized gains	3	2
Cash equivalents and investments, unrealized losses	(305)	(91)
Cash equivalents and investments, estimated fair value	89,887	139,821
Fair Value on Recurring Basis \| Money Market Funds [Member]
Cash Cash Equivalents And Investments [Line Items]
Cash equivalents, amortized cost	7,874	10,585
Cash equivalents, estimated fair value	7,874	10,585
Commercial Paper [Member] \| Fair Value on Recurring Basis
Cash Cash Equivalents And Investments [Line Items]
Investments, amortized cost	44,823	84,642
Investments, unrealized gains	1	2
Investments, unrealized losses	(50)	(28)
Investments, estimated fair value	44,774	84,616
U.S. Government Securities \| Fair Value on Recurring Basis
Cash Cash Equivalents And Investments [Line Items]
Investments, amortized cost	20,259	27,870
Investments, unrealized losses	(179)	(46)
Investments, estimated fair value	20,080	27,824
U.S. Agency Bonds \| Fair Value on Recurring Basis
Cash Cash Equivalents And Investments [Line Items]
Investments, amortized cost	16,228	8,546
Investments, unrealized gains	2
Investments, unrealized losses	(63)	(15)
Investments, estimated fair value	16,167	8,531
Corporate Debt Securities \| Fair Value on Recurring Basis
Cash Cash Equivalents And Investments [Line Items]
Investments, amortized cost	1,005	8,267
Investments, unrealized losses	(13)	(2)
Investments, estimated fair value	$ 992	$ 8,265

Cash, cash equivalents and investments.

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Cash equivalents and investments amortized cost.

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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).

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Amount, before tax, of unrealized loss 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).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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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).

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Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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