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Short-term Investments (Tables) | 12 Months Ended
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Dec. 31, 2020
Short-term Investments |
Summary of short-term investments | The following is a summary of short-term investments (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2019
​ |  | ​ |  | Unrealized |  | Estimated
​ | ​ | Cost | ​ | Gains/(Losses) | ​ | Fair Value
​ | ​ | RMB | ​ | RMB | ​ | RMB
Short-term investments |  | 15,116,330 | ​ | 196,265 | ​ | 15,312,595
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2020
​ |  | ​ |  | Unrealized |  | Estimated
​ | ​ | Cost | ​ | Gains/(Losses) | ​ | Fair Value
​ | ​ | RMB | ​ | RMB | ​ | RMB
Short-term investments | ​ | 13,095,780 | ​ | 177,246 | ​ | 13,273,026
​

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
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