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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Schedule of Share Based Payment Award Stock Options Granted Valuation Assumptions | The assumptions that the Company used to determine the grant date fair value of stock options granted were as follows, presented on a weighted-average basis:
| December 31,
| 2023 |  | 2022 |  | 2021
Risk free interest rate | 3.63 | % |  | 2.94 | % |  | 1.15 | %
Expected volatility | 40 | % |  | 38 | % |  | 48 | %
Expected dividend yield | 0 | % |  | 0 | % |  | 0 | %
Expected term (in years) | 6.25 |  | 5.91 |  | 6.25
Summary of Stock Option Activity for Company's Stock Option Plans | A summary of stock option activity under the 2016 Plan and 2021 Plan, is as follows:
| Stock Options Outstanding |  |
| Number of Shares |  | Weighted Average Exercise Price (per share) |  | Weighted Average Remaining Contractual Term (in years) |  | Aggregate Intrinsic Value (in millions)
Outstanding at December 31, 2022 | 42,397,911 |  | $ | 6.11 |  |  | 7.38 |  | $ | 105 |
Granted | 4,059,936 |  | 7.35 |  |  |  |  |
Exercised | (773,056) |  | 0.90 |  |  |  |  |
Forfeited | (1,683,631) |  | 11.06 |  |  |  |  |
Outstanding at December 31, 2023 | 44,001,160 |  | $ | 6.13 |  |  | 6.56 |  | $ | 108 |
Exercisable at December 31, 2023 | 33,366,714 |  | $ | 5.17 |  |  | 6.11 |  | $ | 99 |
Summary of Restricted Stock Activity | A summary of RSU activity under the 2016 Plan and 2021 Plan is as follows:
| Number of Shares |  | Weighted average grant date fair value per share
Unvested restricted stock units at December 31, 2022 | 3,548,431 |  | $ | 11.96 |
Granted | 2,497,561 |  | 7.30 |
Vested | (2,397,527) |  | 8.75 |
Forfeited | (383,792) |  | 12.23 |
Unvested restricted stock units at December 31, 2023 | 3,264,673 |  | $ | 10.71 |

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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