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Supplemental Financial Statement Information - Schedule of AFS Debt Securities (Details) $ in Thousands	Mar. 31, 2021 USD ($)
Debt Securities, Available-for-sale
Estimated Fair Value	$ 701,794
Unrealized Losses	(83)
Certificates of deposit
Debt Securities, Available-for-sale
Estimated Fair Value	215,173
Unrealized Losses	(27)
Corporate bonds
Debt Securities, Available-for-sale
Estimated Fair Value	175,659
Unrealized Losses	(34)
Commercial paper
Debt Securities, Available-for-sale
Estimated Fair Value	310,962
Unrealized Losses	$ (22)

X

- Definition

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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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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