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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2023
Significant Accounting Policies |
Schedule of revenue disaggregated by revenue source | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ |  | 2021 |  | 2022 |  | 2023
​ | ​ | (In US$ thousands)
Advertising and marketing revenues |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Revenues from advertisers signing contracts with the Group directly | ​ | $ | 478,874 | ​ | $ | 356,503 | ​ | $ | 437,276
Revenues from advertising agencies | ​ | ​ | 1,501,921 | ​ | ​ | 1,240,147 | ​ | ​ | 1,096,738
​ | ​ | ​ | 1,980,795 | ​ | ​ | 1,596,650 | ​ | ​ | 1,534,014
Value-added services revenues | ​ | ​ | 276,288 | ​ | ​ | 239,682 | ​ | ​ | 225,822
Total revenues |  | $ | 2,257,083 |  | $ | 1,836,332 |  | $ | 1,759,836

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 + Details
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