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Financial Instruments and Fair Value - Schedule of Unrealized Gain (Loss) on Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Amortized Cost	$ 188,828	$ 242,228
Unrealized Gains	38	42
Fair Value	188,866	242,270
Cash and cash equivalents	363,422	412,618	$ 286,429	$ 355,447
Marketable Securities	46,005	65,538
Fair Value, Inputs, Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Amortized Cost	188,828	242,228
Unrealized Gains	38	42
Fair Value	188,866	242,270
Cash and cash equivalents	170,781	190,638
Marketable Securities	46,005	65,538
Fair Value, Inputs, Level 1 \| Money market funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	27,921	13,906
Marketable Securities	0	0
Fair Value, Inputs, Level 1 \| U.S. Treasury securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Amortized Cost	188,828	242,228
Unrealized Gains	38	42
Fair Value	188,866	242,270
Cash and cash equivalents	142,860	176,732
Marketable Securities	46,005	65,538
Cash
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	192,641	221,980
Marketable Securities	$ 0	$ 0