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Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2024

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, 2024 and 2023 is as follows (in thousands):

						Three Months Ended March 31,
						2024						2023
Cost of net revenues						$	2,064					$	1,807
Selling, general and administrative						28,494						28,691
Research and development						8,230						7,237
Total stock-based compensation						$	38,788					$	37,735

Summary Of Restricted Stock Units

A summary for the three months ended March 31, 2024 is as follows:

			Number of Shares Underlying RSUs (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, 2023			736						$	367.63
Granted			610						311.35
Vested and released			(231)						377.91
Forfeited			(20)						377.56
Unvested as of March 31, 2024			1,095						$	333.90					2.0						$	359,130

Summary Of Market-performance Based Restricted Stock Units

The following table summarizes the MSU performance activity for the three months ended March 31, 2024: 

			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, 2023			158						$	811.06
Granted			83						617.79
Vested and released 1			(32)						1,102.09
Forfeited			(5)						1,102.09
Unvested as of March 31, 2024			204						$	679.52					2.1						$	66,889

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,
																		2024						2023
Expected term (in years)																		0.9						1.8
Expected volatility																		56.0		%				58.6		%
Risk-free interest rate																		4.8		%				4.8		%
Expected dividends																		—						—
Weighted average fair value at grant date																		$	100.10					$	138.13

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- Definition

Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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