XML 56 R39.htm IDEA: XBRL DOCUMENT v3.22.4
Investments and Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]  
Schedule of Components of Investments The components of our investments as of December 31, 2022 and 2021 are as follows (in thousands):
As of December 31, 2022
Fair Value MeasurementBalance Sheet Classification
Fair Value LevelCost BasisUnrealized Gains (Losses)Market ValueCash and Cash EquivalentsShort-term Investments and Marketable Securities
Money market fundLevel 1$39,469 $— $39,469 $39,469 $— 
U.S. Treasury bondsLevel 19,396 (13)9,383 — 9,383 
Commercial paperLevel 226,704 — 26,704 — 26,704 
Corporate bondsLevel 29,353 (12)9,341 — 9,341 
Agency bondsLevel 22,432 2,435 2,435 
Total investments$87,354 $(22)$87,332 $39,469 $47,863 

As of December 31, 2021, our investments consisted of the following (in thousands):

As of December 31, 2021
Fair Value MeasurementBalance Sheet Classification
Fair Value LevelCost BasisUnrealized Gains (Losses)Market ValueCash and Cash EquivalentsShort-Term Investments and Marketable SecuritiesLong-Term Investments
Money market fundLevel 1$38,301 $— $38,301 $38,301 $— $— 
U.S. Treasury bondsLevel 18,171 — 8,171 — 8,171 — 
Commercial paperLevel 223,312 — 23,312 — 23,312 — 
Corporate bondsLevel 220,107 (14)20,093 — 8,049 12,044 
Asset-backed securitiesLevel 215,655 (8)15,647 — 15,647 — 
Total investments$105,546 $(22)$105,524 $38,301 $55,179 $12,044 
Schedule of Amortized Cost Basis and Fair Value of Debt Securities by Contractual Maturity
The amortized cost basis and fair value of debt securities at December 31, 2022 and 2021, by contractual maturity, are as follows (in thousands):

As of December 31, 2022
Cost BasisFair Value
Due in one year or less$87,354 $87,332 
Due after one year through five years— — 
Total investments$87,354 $87,332 

As of December 31, 2021
Cost BasisFair Value
Due in one year or less$93,497 $93,480 
Due after one year through five years12,049 12,044 
Total investments$105,546 $105,524