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Significant Accounting Policies (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Jun. 30, 2019 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Revenues: |  |  |  |  |  |  |
Total revenues |  |  |  | $ 1,759,836 | $ 1,836,332 | $ 2,257,083 |
Revenue recognized that was included in the deferred revenue |  |  |  | 49,900 | 56,100 | 126,500 |
Sales and Marketing Expenses |  |  |  |  |  |  |
Advertising and promotional expenses |  |  |  | $ 302,300 | 310,400 | 418,000 |
Options |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |
Vesting period |  |  |  | 4 years |  |  |
Service-based restricted share units |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |
Vesting period |  |  |  | 4 years |  |  |
Advertising and marketing revenues |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |
Total revenues |  |  |  | $ 1,534,014 | $ 1,596,650 | $ 1,980,795 |
Costs and Expenses |  |  |  |  |  |  |
Cultural business construction fees (as a percent) | 1.50% | 3.00% | 1.50% | 1.50% | 1.50% | 1.50% | 1.50%
Advertising and marketing revenues | Maximum |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |
Period over social display ad arrangements allow customers to place advertisements on particular areas of the Group's platform in particular formats |  |  |  | 3 months |  |  |
Revenues from advertisers signing contracts with company directly |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |
Total revenues |  |  |  | $ 437,276 | $ 356,503 | $ 478,874 |
Revenues From Advertising Agencies |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |
Total revenues |  |  |  | 1,096,738 | 1,240,147 | 1,501,921 |
Value-added services revenues |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |
Total revenues |  |  |  | $ 225,822 | $ 239,682 | $ 276,288 |

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