Fair Value of Financial Instruments - Summary of Financial Instruments Measured at Fair Value on Recurring Basis by Level Within Fair Value Hierarchy (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available for sale securities, Amortized Cost	$ 312,943	$ 376,511
Available for sale securities, Unrealized Losses	(8)	(146)
Available for sale securities, Unrealized Gains	544	820
Available for sale securities, Estimated Fair Value	313,479	377,185
Cash Equivalents
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available for sale securities, Amortized Cost	59,841	27,312
Available for sale securities, Estimated Fair Value	59,841	27,312
Short-Term Investments
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available for sale securities, Amortized Cost	221,748	239,116
Available for sale securities, Unrealized Losses	(6)	(55)
Available for sale securities, Unrealized Gains	475	420
Available for sale securities, Estimated Fair Value	222,217	239,481
Long-Term Investments
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available for sale securities, Amortized Cost	31,354	110,083
Available for sale securities, Unrealized Losses	(2)	(91)
Available for sale securities, Unrealized Gains	69	400
Available for sale securities, Estimated Fair Value	31,421	110,392
Level 1 \| Money Market Funds \| Cash Equivalents
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available for sale securities, Amortized Cost	39,437	25,617
Available for sale securities, Estimated Fair Value	39,437	25,617
Level 2 \| Commercial Paper
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available for sale securities, Amortized Cost		1,395
Available for sale securities, Estimated Fair Value		1,395
Level 2 \| Commercial Paper \| Cash Equivalents
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available for sale securities, Amortized Cost	20,404	1,395
Available for sale securities, Estimated Fair Value	20,404	1,395
Level 2 \| Commercial Paper \| Short-Term Investments
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available for sale securities, Amortized Cost	18,426	22,820
Available for sale securities, Estimated Fair Value	18,426	22,820
Level 2 \| Corporate Debt Securities \| Short-Term Investments
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available for sale securities, Amortized Cost	128,768	124,283
Available for sale securities, Unrealized Losses	(4)	(38)
Available for sale securities, Unrealized Gains	366	303
Available for sale securities, Estimated Fair Value	129,130	124,548
Level 2 \| Corporate Debt Securities \| Long-Term Investments
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available for sale securities, Amortized Cost	13,815	85,992
Available for sale securities, Unrealized Losses		(62)
Available for sale securities, Unrealized Gains	42	332
Available for sale securities, Estimated Fair Value	13,857	86,262
Level 2 \| U.S. Government Securities \| Cash Equivalents
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available for sale securities, Amortized Cost		300
Available for sale securities, Estimated Fair Value		300
Level 2 \| U.S. Government Securities \| Short-Term Investments
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available for sale securities, Amortized Cost	74,554	92,013
Available for sale securities, Unrealized Losses	(2)	(17)
Available for sale securities, Unrealized Gains	109	117
Available for sale securities, Estimated Fair Value	74,661	92,113
Level 2 \| U.S. Government Securities \| Long-Term Investments
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Available for sale securities, Amortized Cost	17,539	24,091
Available for sale securities, Unrealized Losses	(2)	(29)
Available for sale securities, Unrealized Gains	27	68
Available for sale securities, Estimated Fair Value	$ 17,564	$ 24,130

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).

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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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