Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2022

Fair Value Disclosures [Abstract]

Summary of Cash Equivalents and Marketable Securities Measured at Fair Value

The following tables summarize the Company’s marketable securities measured at fair value (in thousands):

			Fair Value Measurements Using
As of September 30, 2022	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Marketable securities:
U.S. Treasury securities	$	236,553	$	236,553	$	—	$	—
U.S. Government agency securities		4,927		—		4,927		—
Negotiable certificates of deposit		3,340		—		3,340		—
Corporate debt securities		17,029		—		17,029		—
Total	$	261,849	$	236,553	$	25,296	$	—

			Fair Value Measurements Using
As of December 31, 2021	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Marketable securities:
U.S. Treasury securities	$	65,372	$	65,372	$	—	$	—
Negotiable certificates of deposit		3,873		—		3,873		—
Corporate debt securities		15,850		—		15,850		—
Total	$	85,095	$	65,372	$	19,723	$	—