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Stock-Based Compensation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Aug. 13, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Jul. 21, 2022 | Nov. 26, 2021 | Sep. 22, 2005
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Common stock proceeds |  | $ 113 | $ 1,194 | $ 2,890 |  |  |
Compensation expense |  | 27,255 | 33,660 | $ 33,939 |  |  |
Unrecognized compensation costs |  | $ 21,100 | $ 51,300 |  |  |  |
Weighted average remaining vesting term |  |  | 5 months 15 days | 1 year 5 months 15 days |  |  |
2005 Equity Incentive Plan [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Maximum share issuance |  |  |  |  |  |  | 4,147,607
Options, term |  | 4 years |  |  |  |  |
Compensation expense recognition |  | 10 years |  |  |  |  |
Option granted term, description |  | except when granted to a holder who, at the time the option is granted, owns stock representing more than 10% of the voting power of all classes of stock of Newegg Inc. any subsidiaries, in which case, the term of the option shall be no more than five years from the date of grant |  |  |  |  |
Stock options, exercised |  | 1,104,673 | 108,940 | 315,268 |  |  |
Common stock proceeds |  | $ 100 | $ 1,200 | $ 2,900 |  |  |
Exercise prices of per share |  |  | $ 11 |  |  |  |
Cashless exercises shares |  |  |  | 67,445 |  |  |
Cashless exercises net shares |  |  |  | 52,962 |  |  |
Total intrinsic value of stock options exercised |  | 11,300 | $ 1,700 | $ 24,300 |  |  |
Unrecognized compensation costs |  |  | $ 1,400 |  |  |  |
2005 Equity Incentive Plan [Member] | Cashless exercise [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Stock options, exercised |  | 10,351 | 108,940 | 247,823 |  |  |
2005 Equity Incentive Plan [Member] | Selling, General and Administrative Expenses [Member] | Stock Options [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Compensation expense |  | $ 1,400 | $ 3,100 | $ 3,200 |  |  |
2005 Equity Incentive Plan [Member] | Minimum [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Exercise prices of per share |  | $ 5.4 |  | $ 11 |  |  |
2005 Equity Incentive Plan [Member] | Maximum [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Exercise prices of per share |  | $ 11 |  | $ 14.6 |  |  |
2021 Equity Incentive Plan [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Maximum share issuance |  |  |  |  |  | 368,745 |
2021 Equity Incentive Plan [Member] | Restricted Stock Units [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Compensation expense recognition |  | 4 years |  |  |  |  |
PRSUs granted shares |  | 3,500 | 4,000 |  |  |  |
2021 Equity Incentive Plan [Member] | Performance Shares [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Option granted term, description |  | The vesting of each PRSU is based on financial performance tied to GMV. The vesting of PRSUs is determined at the end of each of the four-year performance periods. The payout can vary from zero to 100% based on actual results and performance goals may be adjusted by the Compensation Committee from time to time in its sole discretion. |  |  |  |  |
PRSUs granted shares |  | 69,322 |  |  |  |  |
Performance-based restricted stock units issuance | 277,289 |  |  |  |  |  |
2021 Equity Incentive Plan [Member] | Selling, General and Administrative Expenses [Member] | Restricted Stock Units [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Compensation expense |  | $ 25,900 | $ 30,500 | $ 30,800 |  |  |
2021 Equity Incentive Plan [Member] | Minimum [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Maximum share issuance |  |  |  |  | 368,745 |  |
2021 Equity Incentive Plan [Member] | Maximum [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Maximum share issuance |  |  |  |  | 818,745 |  |

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