Investments - Contractual Maturities of Cash Equivalents And Available-for-Sale Debt Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Within 1 year, Amortized Cost	$ 459,067
After 1 year through 5 years, Amortized Cost	96,430
Total, Amortized Cost	617,573	$ 581,367
Within 1 year, Fair Value	458,887
After 1 year through 5 years, Fair Value	96,440
Total Fair Value	617,475	$ 581,573
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Asset-backed securities, Amortized Cost	62,076
Asset-backed securities, Fair Value	$ 62,148

Debt Securities, Available-For-Sale, And Cash Equivalents, Amortized Cost

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Debt Securities, Available-For-Sale, And Cash Equivalents, Fair Value Disclosure

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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), 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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Fair value 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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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 next 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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