Investments (Tables)

6 Months Ended

Jun. 30, 2021

Investments, Debt and Equity Securities [Abstract]

Marketable Securities

Short-term investments as of June 30, 2021, consist of the following (in thousands):

	Adjusted Cost		Unrealized Gains		Unrealized Losses		Fair Value
Corporate bonds	$	162,484	$	5	$	(9)	$	162,480
Government bonds	29,859		—		(1)		29,858
Asset-backed bonds	17,840		—		—		17,840
Total short-term investments	$	210,183	$	5	$	(10)	$	210,178

Short-term investments as of December 31, 2020, consist of the following (in thousands):

	Adjusted Cost		Unrealized Gains		Unrealized Losses		Fair Value
Corporate bonds	$	55,224	$	5	$	(2)	$	55,227
Government bonds	14,121		2		—		14,123
Asset-backed bonds	3,514		—		—		3,514
Total short-term investments	$	72,859	$	7	$	(2)	$	72,864