Cash Equivalents and Marketable Securities - Carrying Amounts and Fair Values of Debt Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Unrealized Gains	$ 338	$ 1,034
Unrealized Losses	(101)	(50)
Cash Equivalents and Available-for-sale Debt Securities
Amortized Cost	858,917	956,421
Fair Value	859,154	957,405
Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Unrealized Gains	0	0
Unrealized Losses	(2)	0
Cash Equivalents and Available-for-sale Debt Securities
Amortized Cost	418,930	507,655
Fair Value	418,928	507,655
Cash Equivalents \| Money market funds
Debt Securities, Available-for-sale [Line Items]
Cash equivalents:	308,108	507,655
Cash Equivalents \| U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	46,104
Unrealized Gains	0
Unrealized Losses	(1)
Fair Value	46,103
Cash Equivalents \| U.S. government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	11,738
Unrealized Gains	0
Unrealized Losses	(1)
Fair Value	11,737
Cash Equivalents \| Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	52,980
Unrealized Gains	0
Unrealized Losses	0
Fair Value	52,980
Debt Securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	439,987	448,766
Unrealized Gains	338	1,034
Unrealized Losses	(99)	(50)
Fair Value	440,226	449,750
Debt Securities \| U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	192,126	215,773
Unrealized Gains	220	612
Unrealized Losses	(47)	(17)
Fair Value	192,299	216,368
Debt Securities \| U.S. government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	102,914	144,474
Unrealized Gains	61	321
Unrealized Losses	(28)	(12)
Fair Value	102,947	144,783
Debt Securities \| Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	47,228	45,682
Unrealized Gains	57	101
Unrealized Losses	(24)	(21)
Fair Value	47,261	45,762
Debt Securities \| Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	8,169	16,388
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	8,169	16,388
Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	439,987
Fair Value	440,226
Marketable Securities \| Certificates of deposit
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	89,550	26,449
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	$ 89,550	$ 26,449

Cash Equivalents And Available-For-Sale Debt Securities

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

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Cash Equivalents And Debt Securities, Available-For-Sale, Excluding Accrued Interest

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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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Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amortized cost excluding accrued interest, after allowance for credit loss, 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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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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