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Financial Instruments (Tables)
 9 Months Ended
Sep. 30, 2023
Fair Value Disclosures [Abstract]  
Schedule 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, 2023 and December 31, 2022 (in thousands):
 As of September 30, 2023
 Adjusted
Cost		Unrealized
Gains		Unrealized
Losses		Market
Value
Level 1:    
Money Market Funds$52,246 $— $— $52,246 
Level 2:
U.S. Treasury securities included in cash and cash equivalents and short-term investments33,472 — (82)33,390 
U.S. government agency securities included in cash and cash equivalents and short-term investments120,377 — (599)119,778 
Corporate debt securities included in cash and cash equivalents and short-term investments313,991 — (1,226)312,765 
Total financial assets$520,086 $— $(1,907)$518,179 

 As of December 31, 2022
 Adjusted
Cost		Unrealized
Gains		Unrealized
Losses		Market
Value
Level 1:    
Money Market Funds$28,312 $— $— $28,312 
Level 2:
U.S. Treasury securities included in cash and cash equivalents and short-term investments4,446 — (5)4,441 
U.S. government agency securities included in short-term investments28,746 — (111)28,635 
Corporate debt securities included in cash and cash equivalents and short-term investments266,267 45 (1,887)264,425 
Total financial assets$327,771 $45 $(2,003)$325,813