Marketable Securities and Fair Value Measurements - Summary of Available for Sale Marketable Securities By Security Type (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Amortized Cost	$ 53,163	$ 92,982
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(10)	(7)
Estimated Fair Value	53,153	92,975
Commercial paper (due within one year)
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Amortized Cost	36,246
Gross Unrealized Gains	0
Gross Unrealized Losses	(3)
Estimated Fair Value	36,243
Corporate notes and bonds (due within one year)
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Amortized Cost	16,917
Gross Unrealized Gains	0
Gross Unrealized Losses	(7)
Estimated Fair Value	$ 16,910
U.S. treasury notes (due within one year)
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Amortized Cost		92,982
Gross Unrealized Gains		0
Gross Unrealized Losses		(7)
Estimated Fair Value		$ 92,975

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).

+ References

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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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