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Stock based Compensation (Tables)

12 Months Ended

Dec. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Fair Value of Options

The fair value of the stock options granted were estimated on the date of grant using a Black-Scholes option pricing model with the following weighted-average assumptions:

						Years ended December 31,
						2024						2023						2022
Expected stock price volatility						57.0		%				59.2		%				62.1		%
Risk free interest rate						4.0		%				3.9		%				1.7		%
Expected life of options (years)						5.60						5.47						5.34
Expected annual dividend per share						$	—					$	—					$	—

Schedule of Stock Options Activity

A summary of the Company's stock options is as follows:

			Number of Shares						Weighted Average Exercise Price						Weighted Average Remaining Years						Aggregate Intrinsic Value
			(in thousands)																		(in millions)
Options outstanding, December 31, 2021			14,731						$	11.08
Granted			5,733						$	11.53
Exercised			(660)						$	6.58
Forfeited			(495)						$	12.57
Expired			(245)						$	12.84
Options outstanding, December 31, 2022			19,064						$	11.31
Granted			5,733						$	11.99
Exercised			(1,361)						$	7.54
Forfeited			(356)						$	11.59
Expired			(78)						$	15.09
Options outstanding, December 31, 2023			23,002						$	11.69
Granted			4,917						$	13.52
Exercised			(957)						$	8.02
Forfeited			(622)						$	12.75
Expired			(327)						$	14.30
Options outstanding, December 31, 2024			26,013						$	12.11					5.8						$	5.8
Vested and unvested expected to vest, December 31, 2024			24,643						$	12.09					5.7						$	5.8
Exercisable at December 31, 2024			17,464						$	11.80					4.6						$	5.7

Schedule of Non-Vested RSU Activity under the Plan

A summary of non-vested RSU activity under the Plan is as follows:

			Number of Shares						Weighted Average Grant Date Fair Value						Weighted Average Remaining Years						Aggregate Intrinsic Value
			(in thousands)																		(in millions)
Non-vested units as of December 31, 2021			7,341						$	13.90
Granted			5,048						$	11.93
Vested			(2,251)						$	12.48
Forfeited			(421)						$	12.06
Non-vested units as of December 31, 2022			9,717						$	13.07
Granted			4,762						$	13.02
Vested			(3,610)						$	12.21
Forfeited			(836)						$	11.63
Non-vested units as of December 31, 2023			10,033						$	13.37
Granted			4,150						$	14.32
Vested			(5,107)						$	13.07
Forfeited			(799)						$	13.74
Non-vested units as of December 31, 2024			8,277						$	13.59					2.1						$	78.0

Schedule of Equity Compensation Expenses

The following table summarizes information related to compensation expense recognized in the Company's Consolidated Statements of Operations related to the equity awards:

						Years ended December 31,
(in thousands)						2024						2023						2022
Research and development expense						$	15,969					$	21,470					$	25,089
Selling, general, and administrative expense						68,936						64,607						51,423
Total equity compensation expense						$	84,905					$	86,077					$	76,512

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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