Investments

3 Months Ended

Mar. 31, 2020

Investments, Debt and Equity Securities [Abstract]

Investments

Investments

Cash, cash equivalents and investments as of March 31, 2020 included the following:

(in thousands)	AMORTIZED COST		GROSS UNREALIZED GAINS		GROSS UNREALIZED LOSSES		FAIR VALUE
Cash and cash equivalents:
Cash and cash equivalents	$	134,168	$	11	$	—	$	134,179
Total cash and cash equivalents	$	134,168	$	11	$	—	$	134,179
Investments:
Commercial paper (due within 1 year)	$	44,751	$	16	$	(28)	$	44,739
Corporate bonds (due within 1 year)	55,904		13		(188)		55,729
U.S. Government and government agencies (due within 1 year)	30,028		56		—		30,084
Total investments	$	130,683	$	85	$	(216)	$	130,552
Total cash, cash equivalents and investments	$	264,851	$	96	$	(216)	$	264,731

Cash, cash equivalents and investments as of December 31, 2019 included the following:

			GROSS		GROSS
	AMORTIZED		UNREALIZED		UNREALIZED		FAIR
(in thousands)	COST		GAINS		LOSSES		VALUE
Cash and cash equivalents:
Cash and money market funds	$	143,940	$	—	$	—	$	143,940
Total cash and cash equivalents	$	143,940	$	—	$	—	$	143,940
Investments:
Commercial paper (due within 1 year)	64,629		—		(7)		64,622
Corporate bonds (due within 1 year)	60,640		—		(76)		60,564
U.S. Government and government agencies (due within 1 year)	40,073		—		(9)		40,064
Total investments	$	165,342	$	—	$	(92)	$	165,250
Total cash, cash equivalents and investments	$	309,282	$	—	$	(92)	$	309,190