Investments (Tables)

12 Months Ended

Dec. 31, 2020

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, 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

	December 31, 2019
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
	(in thousands)
Cash equivalents:
Money market funds	$	20,970	$	—	$	—	$	20,970
U.S. treasury notes	2,497		—		—		2,497
Commercial paper	4,494		—		—		4,494
Short-term investments:
Certificates of deposit	245		—		—		245
U.S. treasury notes	29,155		23		—		29,178
Commercial paper	5,228		—		—		5,228
Total	$	62,589	$	23	$	—	$	62,612