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Marketable Securities - Summary of Marketable Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Marketable Securities [Line Items]
Total marketable securities, Amortized Cost	$ 218,123	$ 3,000
Total marketable securities, Gross Unrealized Gains	3	0
Total marketable securities, Gross Unrealized Losses	(517)	0
Total marketable securities, fair value	217,609	3,000
U.S. Treasury securities
Marketable Securities [Line Items]
Total marketable securities, Amortized Cost	157,681
Total marketable securities, Gross Unrealized Gains	0
Total marketable securities, Gross Unrealized Losses	(404)
Total marketable securities, fair value	157,277
Certificates of deposit
Marketable Securities [Line Items]
Total marketable securities, Amortized Cost	6,495	3,000
Total marketable securities, Gross Unrealized Gains	0	0
Total marketable securities, Gross Unrealized Losses	(5)	0
Total marketable securities, fair value	6,490	$ 3,000
Corporate debt securities
Marketable Securities [Line Items]
Total marketable securities, Amortized Cost	36,422
Total marketable securities, Gross Unrealized Gains	0
Total marketable securities, Gross Unrealized Losses	(95)
Total marketable securities, fair value	36,327
Commercial paper
Marketable Securities [Line Items]
Total marketable securities, Amortized Cost	11,624
Total marketable securities, Gross Unrealized Gains	2
Total marketable securities, Gross Unrealized Losses	(6)
Total marketable securities, fair value	11,620
Asset-backed securities
Marketable Securities [Line Items]
Total marketable securities, Amortized Cost	5,901
Total marketable securities, Gross Unrealized Gains	1
Total marketable securities, Gross Unrealized Losses	(7)
Total marketable securities, fair value	$ 5,895

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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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