Investments - Summary of Available-for-Sale securities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Schedule of Investments
Amortized Cost	$ 21,494	$ 75,013
Gross Unrealized Gains	0	4
Gross Unrealized Losses	(73)	(25)
Estimated Fair Value	21,421	74,992
Corporate bonds
Schedule of Investments
Amortized Cost	4,968	30,571
Gross Unrealized Gains	0	2
Gross Unrealized Losses	(6)	(7)
Estimated Fair Value	4,962	30,566
U.S. treasury securities
Schedule of Investments
Amortized Cost	9,537	9,552
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(50)	(13)
Estimated Fair Value	9,487	9,539
Commercial paper
Schedule of Investments
Amortized Cost	6,989	34,890
Gross Unrealized Gains	0	2
Gross Unrealized Losses	(17)	(5)
Estimated Fair Value	$ 6,972	$ 34,887

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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