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Fair Value Measurement (Tables)
12 Months Ended
Dec. 31, 2021
Fair Value Disclosures [Abstract]  
Summary of Financial Instruments Recorded at Fair Value on Recurring Basis
The following tables summarize our financial instruments recorded at fair value on a recurring basis by level within the fair value hierarchy as of the periods presented
December 31, 2021
Level 1Level 2Level 3Total
Cash equivalents
Money market mutual funds
$151,079 $— $— $151,079 
Marketable Securities
U.S. Treasury securities— 157,277 — 157,277 
Certificates of deposit— 6,490 — 6,490 
Corporate debt securities— 36,327 — 36,327 
Commercial paper
— 11,620 — 11,620 
Asset-backed securities— 5,895 — 5,895 
Total cash equivalents and marketable securities$151,079 $217,609 $— $368,688 
December 31, 2020
Level 1Level 2Level 3Total
Cash equivalents
Money market mutual funds
$2,027 $— $— $2,027 
Marketable Securities— 
Certificates of deposit3,000 — — 3,000 
Total cash equivalents and marketable securities$5,027 $— $— $5,027