Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Share-based Compensation

Schedule of share-based compensation expense

	Three months ended March 31,
	2024		2023
	(in thousands)
Cost of sales	$	1,730	$	1,451
Research and development		2,318		2,089
Selling, general, and administrative		4,034		3,487
Total	$	8,082	$	7,027

Summary of non-vested restricted and performance shares activity

		Weighted
		Average
	Number of	Grant Date
	Shares	Fair Value
	(in thousands)
Balance - December 31, 2023	2,464	$	26.19
Granted	1,019		37.72
Performance award adjustments	200		27.81
Vested	(1,040)		25.93
Forfeited	(13)		23.06
Balance - March 31, 2024	2,630	$	31.13