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Long-Term Investments | 12 Months Ended
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Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract] |
Long-Term Investments |
7 | Long-term investments
Equity investments without readily determinable fair value As of December 31, 2020, the carrying amount of the Group’s equity investments was RMB168,526, net of RMB38,739 in accumulated impairment. As of December 31, 2021, the carrying amount of the Group’s equity investments was RMB141,926 (US$22,271), net of RMB63,902 (US$10,028) in accumulated impairment. Impairment charges recognized on equity investments without readily determinable fair value was nil, RMB38,739 and RMB25,370 (US$3,981) for the years ended December 31, 2019, 2020 and 2021. Total unrealized and realized gains and losses of equity investments without readily determinable fair values in 2019, 2020 and 2021 were as follows:
|  | For the years ended December 31 |
|  | 2019 |  |  | 2020 |  |  | 2021 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | US$ |
Gross unrealized gains (upward adjustments) |  |  | 17,298 |  |  |  | — |  |  |  | — |  |  |  | — |
Gross unrealized losses (downward adjustments including impairment) |  |  | — |  |  |  | (39,181 | ) |  |  | (25,370 | ) |  |  | (3,981 | )
Net unrealized gains/losses on equity investments held |  |  | 17,298 |  |  |  | (39,181 | ) |  |  | (25,370 | ) |  |  | (3,981 | )
Net realized gains on equity investments sold |  |  | 6,778 |  |  |  | — |  |  |  | — |  |  |  | — |
Total net gains/losses recognized in other income, net |  |  | 24,076 |  |  |  | (39,181 | ) |  |  | (25,370 | ) |  |  | (3,981 | )
In 2018 and 2019, the Company acquired a total 5.93% of the share capital of Zhuoxuan, a non-listed company, for RMB7,265. The Company recognized a fair value gain of RMB3,043 in “other income” in 2019 due to the observable price change. In 2017, the Company acquired 6.25% of the share capital of Shuwei, a non-listed company, for RMB10,000, and the Company’s ownership of share in Shuwei decreased to 4.27% in 2018 due to Shuwei’s subsequent rounds of financing. In 2019, the Company disposed certain portion of equity ownership of Shuwei with the consideration RMB10,000, and recognized realized gain of RMB6,778 and a fair value gain of RMB14,255 for the remaining portion of equity ownership 2.89% in “other income”.

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- Definition The entire disclosure for investment holdings. This includes the long positions of investments for the entity. It contains investments in affiliated and unaffiliated issuers. The investments include securities and non securities (i.e. commodities and futures contracts). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14) -URI http://asc.fasb.org/extlink&oid=122147990&loc=d3e611322-123010 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B) -URI http://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 5D -Subparagraph (SX 210.12-13D) -URI http://asc.fasb.org/extlink&oid=122147990&loc=SL120429264-123010 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12) -URI http://asc.fasb.org/extlink&oid=122147990&loc=d3e611133-123010 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 5 -Subparagraph (SX 210.12-13) -URI http://asc.fasb.org/extlink&oid=122147990&loc=d3e611282-123010 + Details
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