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Investments and Fair Value Measurements (Tables)
 9 Months Ended
Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract]  
Schedule of Components of Investments The components of our investments as of September 30, 2024 are as follows (in thousands):
As of September 30, 2024
Fair Value MeasurementBalance Sheet Classification
Fair Value LevelCost BasisUnrealized Gains (Losses)
Fair Value
Cash and Cash EquivalentsShort-term Investments and Marketable Securities
Cash
Level 1$52,421 $— $52,421 $52,421 $— 
Money market fundLevel 146,772 — 46,772 46,772 — 
U.S. Treasury bondsLevel 123,871 64 23,935 — 23,935 
Commercial paper
Level 22,893 9 2,902 — 2,902 
Corporate bonds
Level 213,900 61 13,961 — 13,961 
Total investments$139,857 $134 $139,991 $99,193 $40,798 

At December 31, 2023, our investments consisted of the following (in thousands):

As of December 31, 2023
Fair Value MeasurementBalance Sheet Classification
Fair Value LevelCost BasisUnrealized Gains (Losses)
Fair Value
Cash and Cash EquivalentsShort-term Investments and Marketable Securities
Cash
Level 1$93,029 $— $93,029 $93,029 $— 
Money market fundLevel 156,322 — 56,322 56,322 — 
U.S. Treasury bondsLevel 14,830 (2)4,828 — 4,828 
Agency bondsLevel 24,828 (3)4,825 — 4,825 
Total investments$159,009 $(5)$159,004 $149,351 $9,653