Investments (Tables)

3 Months Ended

Mar. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of Amortized Cost, Gross Unrealized Gains/Losses In Accumulated Other Comprehensive Loss And Fair Value Of Marketable Debt Securities, Available-For-Sale

Amortized cost, gross unrealized gains/losses in accumulated other comprehensive loss and fair value of marketable debt securities, available-for-sale, by type of security as of March 31, 2022 and December 31, 2021 consisted of the following (in thousands):

	March 31, 2022
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Short-term investments:
Corporate debt security	$	62,153	$	—	$	(338)	$	61,815
U.S. treasuries	4,966		—		(48)		4,918
Asset-backed security and other	4,868		—		(47)		4,821
Non-U.S. government and supranational bonds	16,375		—		(109)		16,266
Certificate of deposit	2,003		—		—		2,003
	$	90,365	$	—	$	(542)	$	89,823
Long-term investments:
Corporate debt security	$	24,997	$	—	$	(591)	$	24,406
U.S. treasuries	650		—		(9)		641
Asset-backed security and other	3,081		—		(65)		3,016
	$	28,728	$	—	$	(665)	$	28,063

	December 31, 2021
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Short-term investments:
Corporate debt security	$	71,406	$	—	$	(57)	$	71,349
U.S. treasuries	3,415		—		(7)		3,408
Asset-backed security and other	2,555		—		(4)		2,551
Non-U.S. government and supranational bonds	16,405		1		(19)		16,387
Certificate of deposit	1,001		—		—		1,001
	$	94,782	$	1	$	(87)	$	94,696
Long-term investments:
Corporate debt security	$	42,703	$	—	$	(246)	$	42,457
U.S. treasuries	2,201		—		(5)		2,196
Asset-backed security and other	5,438		—		(28)		5,410
Non-U.S. government and supranational bonds	3,769		—		(16)		3,753
Certificate of deposit	1,000		—		—		1,000
	$	55,111	$	—	$	(295)	$	54,816

Schedule of Marketable Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value

The Company’s investments in marketable debt securities, available-for-sale that have been in a continuous unrealized loss position by type of security as of March 31, 2022 and December 31, 2021 consisted of the following (in thousands):

	March 31, 2022
	Less than 12 months				12 months or greater				Total
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
Corporate debt security	$	86,221	$	(929)	$	—	$	—	$	86,221	$	(929)
US treasuries	5,559		(57)		—		—		5,559		(57)
Asset-backed security and other	7,837		(112)		—		—		7,837		(112)
Non-U.S. government and supranational bonds	16,266		(109)		—		—		16,266		(109)
Certificates of deposit	2,003		—		—		—		2,003		—
	$	117,886	$	(1,207)	$	—	$	—	$	117,886	$	(1,207)

	December 31, 2021
	Less than 12 months				12 months or greater				Total
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
Corporate debt security	$	113,806	$	(303)	$	—	$	—	$	113,806	$	(303)
US treasuries	5,604		(12)		—		—		5,604		(12)
Asset-backed security and other	7,961		(32)		—		—		7,961		(32)
Non-U.S. government and supranational bonds	20,140		(34)		—		—		20,140		(34)
Certificates of deposit	2,001		—		—		—		2,001		—
	$	149,512	$	(381)	$	—	$	—	$	149,512	$	(381)

Schedule of Realized Gain (Loss)

Gross realized gains and gross realized losses from the sales of the Company’s marketable debt securities, available-for-sale for the three months ended March 31, 2022 and 2021 consisted of the following (in thousands):

	Three Months Ended
	March 31, 2022		March 31, 2021
Gross realized gains	$	—	$	—
Gross realized losses	$	(6)	$	—

Schedule of Amortized Cost And Fair Value Of Marketable Debt Securities, Available-For-Sale By Contractual Maturity

Amortized cost and fair value of marketable debt securities, available-for-sale by contractual maturity as of March 31, 2022 consisted of the following (in thousands, except weighted average data):

	Amortized Cost		Fair Value
Due in one year or less	$	90,364	$	89,822
Due after one year through five years	28,729		28,064
	$	119,093	$	117,886
Weighted average contractual maturity			0.7 years

Amortized cost and fair value of marketable debt securities, available-for-sale by contractual maturity as of December 31, 2021 consisted of the following (in thousands, except weighted average data):    

	Amortized Cost		Fair Value
Due in one year or less	$	94,782	$	94,696
Due after one year through five years	55,111		54,816
	$	149,893	$	149,512
Weighted average contractual maturity			0.8 years