Marketable Securities (Details 3) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt securities, available-for-sale
Less than 12 months, fair value	$ 173,002	$ 338,605
Less than 12 months, gross unrealized losses	(3,806)	(1,071)
12 months or greater, fair value	16,147	0
12 months or greater, gross unrealized losses	(574)	0
Fair value	189,149	338,605
Gross unrealized losses	(4,380)	(1,071)
U.S. Government bonds and notes
Debt securities, available-for-sale
Less than 12 months, fair value	62,622	82,822
Less than 12 months, gross unrealized losses	(1,890)	(301)
Corporate notes, bonds and commercial paper
Debt securities, available-for-sale
Less than 12 months, fair value	110,380	255,783
Less than 12 months, gross unrealized losses	(1,916)	(770)
12 months or greater, fair value	16,147	0
12 months or greater, gross unrealized losses	$ (574)	$ 0

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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