Investments (Tables)

12 Months Ended

Dec. 31, 2021

Investments, Debt and Equity Securities [Abstract]

Schedule of Company's Cash Equivalents and Investments

The following table summarizes the Company’s cash equivalents and investments:

	December 31, 2021
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
	(in thousands)
Cash equivalents:
Money market funds	$	188,734	$	—	$	—	$	188,734
Certificates of deposit	400		—		—		400
Short-term investments:
U.S. treasury notes	50,472		—		(31)		50,441
Total	$	239,606	$	—	$	(31)	$	239,575

	December 31, 2020
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
	(in thousands)
Cash equivalents:
Money market funds	$	281,783	$	—	$	—	$	281,783
Total	$	281,783	$	—	$	—	$	281,783