Cash, Cash Equivalents and Investments

3 Months Ended

Mar. 31, 2020

Cash, Cash Equivalents and Investments

Cash, Cash Equivalents and Investments

4.           Cash, Cash Equivalents and Investments

The fair value and the amortized cost of cash, cash equivalents and available-for-sale investments by major security type consist of the following (in thousands):

	As of March 31, 2020
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
Cash and cash equivalents and investments	Cost		Gains		Losses		Value
Cash, cash equivalents and money market funds	$	86,473	$	—	$	—	$	86,473
U.S. Treasury securities		31,017		200		—		31,217
Commercial paper		19,543		—		—		19,543
Corporate debt securities		16,436				(36)		16,400
U.S. Agency bonds		10,000		15		—		10,015
Certificates of deposit		2,644		—		—		2,644
Total		166,113		215		(36)		166,292
Less amounts classified as cash and cash equivalents		(92,183)		—		—		(92,183)
Total available-for-sale investments	$	73,930	$	215	$	(36)	$	74,109

	As of December 31, 2019
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
Cash and cash equivalents and investments	Cost		Gains		Losses		Value
Cash, cash equivalents and money market funds	$	157,954	$	—	$	—	$	157,954
U.S. Treasury securities		20,037		16		—		20,053
Corporate debt securities		3,459		—		—		3,459
Certificates of deposit		1,950		—		—		1,950
Total		183,400		16		—		183,416
Less amounts classified as cash and cash equivalents		(157,954)		—		—		(157,954)
Total available-for-sale investments	$	25,446	$	16	$	—	$	25,462