Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2021

Cash, Cash Equivalents And Marketable Securities [Abstract]

Cash, Cash Equivalents, And Marketable Securities

The following table summarizes the Company’s cash, cash equivalents, and marketable securities and the fair value categorization of the financial instruments measured at fair value on a recurring basis:

	As of December 31,
	2021		2020
	(In thousands)
Cash	$	25,840	$	28,832
Time deposits	3,693		4,176
Money market funds (Level 1)	165,586		129,627
Debt securities issued by the U.S. Treasury (Level 1)	1,016,015		1,013,679
Total	$	1,211,134	$	1,176,314
Cash and cash equivalents	$	223,487	$	401,194
Restricted cash (included in Other long-term assets)	5,329		9,407
Total Cash, cash equivalents, and restricted cash	228,816		410,601
Marketable securities	982,318		765,713
Total	$	1,211,134	$	1,176,314