Investments (Tables)

9 Months Ended

Sep. 30, 2021

Investments [Abstract]

Schedule of available-for-sale investments

Available-for-sale investments at September 30, 2021 were as follows:

(In thousands)	Adjusted Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Cash equivalents:
Money market funds	$	91,433	$	—	$	—	$	91,433
Time deposits	41,320		—		—		41,320
Total cash equivalents	132,753		—		—		132,753
Short-term investments:
Time deposits	32,439		—		—		32,439
Commercial paper	118,300		10		(2)		118,308
Government and corporate bonds	171,866		48		(27)		171,887
Total short-term investments	322,605		58		(29)		322,634
Long-term investments:
Government and corporate bonds	60,102		—		(41)		60,061
Total available-for-sale investments	$	515,460	$	58	$	(70)	$	515,448

Available-for-sale investments at December 31, 2020 were as follows:

(In thousands)	Adjusted Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Cash equivalents:
Money market funds	$	40,027	$	—	$	—	$	40,027
Time deposits	36,756		—		—		36,756
Commercial Paper	61,000		—		—		61,000
Total cash equivalents	137,783		—		—		137,783
Short-term investments:
Time deposits	28,302		—		—		28,302
Commercial Paper	264,000		12		(19)		263,993
Government and corporate bonds	149,975		247		(44)		150,178
Total short-term investments	442,277		259		(63)		442,473
Long-term investments:
Government and corporate bonds	136,983		152		(57)		137,078
Total available-for-sale investments	$	717,043	$	411	$	(120)	$	717,334