Balance Sheet Details - Summary of Short -Term Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale securities, amortized cost	$ 67,045	$ 103,096
Available-for-sale securities, gross unrealized gains		257
Available-for-sale securities, gross unrealized losses	(6)
Available-for-sale securities	67,039	103,353
U.S. Corporate Debt Securities
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale securities, amortized cost	15,009	11,505
Available-for-sale securities, gross unrealized gains		42
Available-for-sale securities, gross unrealized losses	(3)
Available-for-sale securities	15,006	11,547
Foreign Corporate Debt Securities
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale securities, amortized cost	10,551	15,508
Available-for-sale securities, gross unrealized gains		49
Available-for-sale securities, gross unrealized losses	(3)
Available-for-sale securities	10,548	15,557
U.S. Commercial Paper
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale securities, amortized cost	5,998	13,997
Available-for-sale securities	5,998	13,997
Foreign Commercial Paper
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale securities, amortized cost	35,487	41,976
Available-for-sale securities	$ 35,487	41,976
U.S. Treasury Bills and Government Agency Obligations
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale securities, amortized cost		20,110
Available-for-sale securities, gross unrealized gains		166
Available-for-sale securities		$ 20,276

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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