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Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2022

Marketable Securities

Schedule of marketable securities


		December 31, 2022
					Gross			Gross
		Amortized			Unrealized			Unrealized			Estimated
(in thousands)		Cost			Gain			Loss			Fair Value
Corporate bonds		$	133,163		$	—		$	(1,457)		$	131,706
U.S. Government agencies			1,612			—			(37)			1,575
Total		$	134,775		$	—		$	(1,494)		$	133,281


		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


		December 31, 2022
					Fair
(in thousands)		Cost			Value
Maturities:
Within 1 year		$	105,930		$	104,660
Between 1 to 2 years			28,845			28,621
Total investments available-for-sale		$	134,775		$	133,281