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Financial Instruments (Tables)
 9 Months Ended
Sep. 30, 2022
Fair Value Disclosures [Abstract]  
Summary of Money Market Funds, U.S. Government Agency Securities and Corporate Debt Securities by Significant Investment Category
The following tables show the Company’s Money Market Funds, U.S. Treasury securities, U.S. government agency securities and corporate debt securities by significant investment category as of September 30, 2022 and December 31, 2021 (in thousands):
 As of September 30, 2022
 Adjusted
Cost		Unrealized
Gains		Unrealized
Losses		Market
Value
Level 1:    
Money Market Funds$12,465 $— $— $12,465 
Level 2:
U.S. Treasury securities included in cash and cash equivalents and short-term investments2,469 — (4)2,465 
U.S. government agency securities included in cash and cash equivalents and short-term investments25,748 1 (82)25,667 
Corporate debt securities included in cash and cash equivalents and short-term investments
304,832 — (2,369)302,463 
Total financial assets$345,514 $1 $(2,455)$343,060 
 As of December 31, 2021
 Adjusted
Cost		Unrealized
Gains		Unrealized
Losses		Market
Value
Level 1:    
Money Market Funds$15,329 $— $— $15,329 
Level 2:
U.S. government agency securities included in short-term investments5,003 — — 5,003 
Corporate debt securities included in cash and cash equivalents and short-term investments163,626 1 (202)163,425 
Total financial assets$183,958 $1 $(202)$183,757