Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Company's Financial Assets and Liabilities

The following tables present the fair value of the Company’s financial assets determined using the inputs defined above (in thousands).

	December 31, 2019
	Level 1		Level 2		Level 3		Total
Assets
Money market funds	$	13,897	$	—	$	—	$	13,897
U.S. government securities	—		77,400		—		77,400
Corporate notes	—		14,966		—		14,966
Commercial paper	—		35,753		—		35,753
Total	$	13,897	$	128,119	$	—	$	142,016

	December 31, 2018
	Level 1		Level 2		Level 3		Total
Assets
Money market funds	$	10,606	$	—	$	—	$	10,606
U.S. government securities	—		9,975		—		9,975
Corporate notes	—		16,499		—		16,499
Commercial paper	—		36,331		—		36,331
Total	$	10,606	$	62,805	$	—	$	73,411