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Stockholders' Equity (Tables)
 3 Months Ended
Mar. 31, 2023
Stockholders' Equity Note [Abstract]  
Stock-based Compensation Expense
The stock-based compensation related to our stock-based awards and employee stock purchase plan for the three months ended March 31, 2023 and 2022 is as follows (in thousands):
 Three Months Ended
March 31,
 20232022
Cost of net revenues$1,807 $1,514 
Selling, general and administrative28,691 24,725 
Research and development7,237 5,382 
Total stock-based compensation$37,735 $31,621 
Summary Of Restricted Stock Units A summary for the three months ended March 31, 2023 is as follows:
Number of Shares
Underlying RSUs
(in thousands)
Weighted Average Grant Date Fair ValueWeighted Average Remaining
Contractual Term (in years)		Aggregate
Intrinsic Value
(in thousands)
Unvested as of December 31, 2022
489 $427.23 
Granted
487 316.22 
Vested and released(171)392.09 
Forfeited(13)411.99 
Unvested as of March 31, 2023
792 $366.76 2.0$264,520 
Summary Of Market-performance Based Restricted Stock Units
The following table summarizes the MSU performance activity for the three months ended March 31, 2023: 
Number of Shares
Underlying MSUs
(in thousands)
Weighted Average Grant Date Fair Value
Weighted Average
Remaining
Contractual Term (in years)
Aggregate
Intrinsic Value
(in thousands)
Unvested as of December 31, 2022
144 $725.73 
Granted 1
82 629.53 
Vested and released(25)392.67 
Forfeited(41)392.67 
Unvested as of March 31, 2023
160 $812.75 2.2$53,545 
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions
The fair value of the option component of the 2010 Purchase Plan shares was estimated at the grant date using the Black-Scholes option pricing model with the following weighted average assumptions:
 Three Months Ended
March 31,
 20232022
Expected term (in years)1.81.5
Expected volatility58.6 %48.6 %
Risk-free interest rate4.8 %1.0 %
Expected dividends— — 
Weighted average fair value at grant date$138.13 $196.97