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Investments (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥)
--- | --- | --- | ---
Short-term investments |  |  |
Held-to-maturity investments | ¥ 29,288 | $ 4,596 | ¥ 114,928
Available for sale investments | 13,805 | 2,166 |
Trading debt securities | 14,804 | 2,323 |
Equity securities measured at fair value | 7,925 | 1,244 |
Investments held by consolidated investment funds measured at fair value | 26,981 | 4,234 |
Total short-term investments | 92,803 | 14,563 | 114,928
Long-term investments |  |  |
Available-for-sale investments |  |  | 14,135
Investments held by consolidated investment funds measured at fair value | 80,327 | 12,605 | 74,498
Investments measured at fair value | 376,957 | 59,153 | 285,045
Total other long-term investments | 588,245 | 92,309 | 447,751
Total long-term investments | 668,572 | 104,914 | 536,384
Total investments | 761,375 | 119,477 | 651,312
Private Equity Funds Securities |  |  |
Long-term investments |  |  |
Investments measured at cost less impairment | 96,302 | 15,112 | 100,295
Other Investments |  |  |
Long-term investments |  |  |
Investments measured at cost less impairment | ¥ 114,986 | $ 18,044 | ¥ 62,411

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