Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2019

Investments, Debt and Equity Securities [Abstract]

Available-for-sale Marketable Securities

Available-for-sale marketable securities as of June 30, 2019 and December 31, 2018 were as follows (in thousands):

	June 30, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Government-sponsored enterprises	$	20,919	$	8	$	—	$	20,927
Corporate debt securities	70,867		26		—		70,893
Total	$	91,786	$	34	$	—	$	91,820

	December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Corporate debt securities	$	12,738	$	—	$	(3)	$	12,735