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Stockholders' Equity (Tables)
 9 Months Ended
Sep. 30, 2025
Share-Based Payment Arrangement, Noncash Expense [Abstract]  
Schedule of Share-Based Compensation Expense
The following table summarizes share-based compensation expense included in our condensed consolidated statements of income related to share-based awards (in thousands):
Three Months EndedNine Months Ended
September 30,September 30,
 2025202420252024
Research and development$3,601 $3,598 $10,375 $9,511 
Selling, general and administrative8,559 8,980 24,619 22,412 
Total share-based compensation expense$12,160 $12,578 $34,994 $31,923 
Schedule of Share-Based Compensation Expense by Type
Share-based compensation expense by type of share-based award was as follows (in thousands):
Three Months EndedNine Months Ended
September 30,September 30,
 2025202420252024
Stock options$3,734 $3,922 $11,316 $12,115 
RSUs, PSUs and ESPP8,426 8,656 23,678 19,808 
Total share-based compensation expense$12,160 $12,578 $34,994 $31,923 
Schedule of Valuation Assumptions The assumptions used in the Black-Scholes Model were as follows:
Three Months Ended September 30,Nine Months Ended September 30,
 2025202420252024
Expected volatility
41.23 - 42.14%
40.35 - 40.46%
39.68 - 42.14%
40.01 - 40.46%
Average expected term (in years)4.84.84.85.0
Risk-free interest rate
3.74 - 3.84%
3.65 - 4.44%
3.74 - 4.34%
3.65 - 4.70%
Expected dividend yield— — — — 
Schedule of Unrecognized Estimated Compensation Cost by Type
Total unrecognized estimated compensation cost by type of award and the weighted-average remaining requisite service period over which such expense is expected to be recognized was as follows (in thousands, unless otherwise noted):
September 30, 2025
 Unrecognized
Expense
Remaining
Weighted-Average
Recognition Period
(in years)
Stock options$26,004 2.18
RSUs55,635 2.56
PSUs12,954 1.63
ESPP153 0.16
Schedule of Repurchase Agreements
We had the following share repurchase activity under the approved share repurchase program (in thousands, except share and per share amounts):
2025
Total Number of Shares Purchased
Weighted-Average Price Paid Per Share
Total Cost
First quarter(1)
452,453 $53.95 $24,410 
Second quarter(2)
5,818,338 $52.16 303,490 
Third quarter(2)
725,514 $53.59 38,882 
6,996,305 $52.42 $366,782 
(1) The shares we repurchased during the first quarter are part of the ASR initiated in December 2024.
(2) Included in the total cost of shares purchased is a commission fee of $0.02 per share.