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Employee Benefits and Share-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Share-Based Compensation Expense
The following table sets forth the total share-based compensation expense:
Year Ended December 31,
202520242023
(In thousands)
Cost of product and service revenues$4,896 $6,373 $8,288 
Research and development3,765 4,441 6,941 
Selling, general, and administrative35,841 28,502 40,071 
Total share-based compensation expense$44,502 $39,316 $55,300 
Schedule of Assumptions Used to Value ESPP Shares
The following assumptions were used to value shares under the ESPP:
Year Ended December 31,
202520242023
Expected life, years
0.5 - 2.0
0.5 - 2.0
0.5 - 2.0
Expected volatility, %
45.8% - 58.7%
33.7% - 58.7%
31.7% - 63.9%
Risk-free interest rate, %
3.9% -5.2%
1.5% -5.5%
0.1% - 5.5%
Dividend yield, %— %— %— %
Schedule of Share Option Activity
The following table summarizes the stock option activity under the 2009 Plan:
Number of
Shares
Weighted-Average
Exercise Price
Weighted-Average
Remaining Years
Aggregate
Intrinsic Value
(In thousands, except per share data)
Outstanding at December 31, 20241,760 $67.51 3.6$2,619 
Granted— — 
Exercised(63)29.13 
Expired(344)72.55 
Forfeited— — 
Outstanding at December 31, 20251,353 $68.10 3.2$1,787 
Exercisable at December 31, 20251,353 $68.10 3.2$1,787 
Vested and expected to vest at December 31, 2025 and thereafter1,353 $68.10 3.2$1,787 
Schedule of Restricted Stock Unit Activity
The following table summarizes the RSU activity under the 2009 Plan:
Number of
Shares
Weighted-Average
Grant Date Fair Value
Weighted-Average
Remaining Years
Aggregate
Intrinsic Value
(In thousands, except per share data)
Outstanding at December 31, 20241,614 $54.58 1.6$71,849 
Granted 994 32.13 
Vested (534)62.70 
Forfeited(413)49.86 
Outstanding and unvested at December 31, 20251,661 $39.65 1.5$75,261 
Schedule of Performance-Based Restricted Stock Activity
The following table summarizes the PSU activity under the 2009 Plan:
Number of
Shares
Weighted-Average
Grant Date Fair Value
(In thousands, except per share data)
Outstanding at December 31, 2024177 $28.67 
Granted (Awarded)139 32.66 
Additional granted based on performance achievement135 28.67 
Vested (Released)(136)28.67 
Forfeited(21)28.67 
Outstanding and unvested at December 31, 2025294 $30.56 
Schedule of Ordinary Shares Reserved for Future Issuance Under Equity Incentive Plans
The Company had the following ordinary shares reserved for future issuance under its equity incentive plans as of December 31, 2025:
Number of Shares
(In thousands)
Stock options outstanding1,353 
Non-vested restricted stock awards2,009 
Shares authorized for future issuance3,857 
ESPP shares available for future issuance2,114 
Total shares reserved for future issuance9,333