Marketable Securities - Schedule of Carrying Value and Amortized Cost of Company's Marketable Debt Securities (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 173,129
Gross Unrealized Gains	31
Gross Unrealized Losses	(15)
Fair Value	173,145
Corporate Notes [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	54,197
Gross Unrealized Gains	6
Gross Unrealized Losses	(15)
Fair Value	54,188
Commercial Paper [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	118,932
Gross Unrealized Gains	25
Fair Value	$ 118,957

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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