Marketable Securities - Fair Value of Marketable Securities by Contractual Maturity (Details) $ in Thousands	Mar. 31, 2022 USD ($)
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost [Abstract]
Amortized cost, due in one year or less	$ 817,223
Amortized cost, due in one year	0
Amortized cost, due after one year through five years	259,382
Amortized cost, due after ten years	3,422
Amortized cost	1,080,027
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract]
Fair value, due in one year or less	816,512
Fair value, due in one year	0
Fair value, due after one year through five years	256,797
Fair value, due after ten years	3,423
Fair value	$ 1,076,732

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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