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Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2022

Marketable Securities

Schedule of marketable securities

Marketable securities consist of the following:


		September 30, 2022
					Gross			Gross
		Amortized			Unrealized			Unrealized			Estimated
(in thousands)		Cost			Gain			Loss			Fair Value
Corporate bonds		$	138,959		$	—		$	(2,367)		$	136,592
U.S. Government agencies			1,601			—			(29)			1,572
Total		$	140,560		$	—		$	(2,396)		$	138,164


		December 31, 2021
					Gross			Gross
		Amortized			Unrealized			Unrealized			Estimated
(in thousands)		Cost			Gain			Loss			Fair Value
Corporate bonds		$	207,917		$	3		$	(666)		$	207,254
Total		$	207,917		$	3		$	(666)		$	207,254

Schedule of available-for-sale maturities

The following table summarizes maturities of the Company’s investments available-for-sale as of September 30, 2022:


		September 30, 2022
					Fair
(in thousands)		Cost			Value
Maturities:
Within 1 year		$	122,104		$	120,303
Between 1 to 2 years			18,456			17,861
Total investments available-for-sale		$	140,560		$	138,164