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Short-term investments (Tables) | 12 Months Ended
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Dec. 31, 2021
Short-term investments |
Schedule of Short-Term Investments | ​
​ | ​ | ​ | ​ | ​
(In thousands) |  | December 31, 2020 |  | December 31, 2021
Time deposits |  | 68,828 |  | 62,379
Investments in financial instruments (note) |  | 48,993 |  | 53,273
Total |  | 117,821 |  | 115,652
​
Note: | The investments were issued by commercial banks in the PRC with a variable interest rate indexed to performance of underlying assets. Since these investments’ maturity dates are within one year, they are classified as short-term investments.

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- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
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