Cash Equivalents and Investments (Tables)

3 Months Ended

Mar. 31, 2020

Cash Equivalents And Investments [Abstract]

Schedule of Cash Equivalents and Available For Sale Investments

The fair value of cash equivalents and available-for-sale investments at March 31, 2020 and December 31, 2019, were as follows (in thousands):

	March 31, 2020
	Amortized Cost		Gross Unrealized				Estimated Fair Value
			Gains		Losses
Money market funds	$	34,541	$	—	$	—	$	34,541
U.S. government securities	56,032		371		—		56,403
Corporate notes	8,860		1		(8)		8,853
Total cash equivalents and available-for-sale investments	$	99,433	$	372	$	(8)	$	99,797
Classified as:
Cash equivalents							$	34,541
Short-term investments							65,256
Total cash equivalents and available-for-sale investments							$	99,797
	December 31, 2019
	Amortized Cost		Gross Unrealized				Estimated Fair Value
			Gains		Losses
Money market funds	$	13,897	$	—	$	—	$	13,897
U.S. government securities	77,329		72		(1)		77,400
Corporate notes	14,955		11		—		14,966
Commercial paper	35,753		—		—		35,753
Total cash equivalents and available-for-sale investments	$	141,934	$	83	$	(1)	$	142,016
Classified as:
Cash equivalents							$	13,897
Short-term investments							120,089
Long-term investments							8,030
Total cash equivalents and available-for-sale investments							$	142,016

Schedule of Fair Value of Short-term and Long-term Marketable Securities Classified by Maturity

The following table summarizes the fair value of the Company’s cash equivalents, short-term and long-term marketable securities classified by maturity (in thousands):

	March 31, 2020		December 31, 2019
Due within one year	$	99,797	$	133,986
Due after one year through three years	—		8,030
Total cash equivalents and available-for-sale investments	$	99,797	$	142,016

Schedule of Available-for-Sale Securities Unrealized Loss Position

The following tables present the Company's available-for-sale securities that were in an unrealized loss position as of March 31, 2020 (in thousands):

	March 31, 2020
	Less than 12 months				Total
Assets	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
Corporate notes	$	7,849	$	(8)	$	7,849	$	(8)
Total	$	7,849	$	(8)	$	7,849	$	(8)