Fair Value Measurements and Available for Sale Investments - Schedule of Available for sale Investments by Security Type (Details) $ in Thousands	Sep. 30, 2021 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Investments, Amortized Cost	$ 152,557
Available-for-sale Investments, Gross Unrealized Gains	16
Available-for-sale Investments, Gross Unrealized Losses	(27)
Available-for-sale Investments, Total Fair Value	152,546
Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Investments, Amortized Cost	113,896
Available-for-sale Investments, Gross Unrealized Gains	0
Available-for-sale Investments, Gross Unrealized Losses	0
Available-for-sale Investments, Total Fair Value	113,896
Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Investments, Amortized Cost	38,661
Available-for-sale Investments, Gross Unrealized Gains	16
Available-for-sale Investments, Gross Unrealized Losses	(27)
Available-for-sale Investments, Total Fair Value	$ 38,650

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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