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v3.23.1

Summary of Principal Accounting Policies - Allowance for Doubtful Accounts (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2022 CNY (¥) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥)
Allowance for doubtful accounts |  |  |  |
Balance at beginning of the year | ¥ 458 |  |  |
Provisions | (424) | $ (61) | ¥ 112,959 | ¥ 8,083
Write off |  |  | 10,800 |
Reversal |  |  | 5,863 |
Balance at end of the year | 3,647 |  | 458 |
Amount Due From Related Party |  |  |  |
Allowance for doubtful accounts |  |  |  |
Balance at beginning of the year | 30,128 |  | 4,006 |
Provisions | 544 |  | 26,122 | 4,006
Write off | (544) |  |  |
Reversal | (5,471) |  |  |
Foreign currency adjustments | 1,009 |  |  |
Balance at end of the year | 25,666 |  | 30,128 | 4,006
Accounts Receivable |  |  |  |
Allowance for doubtful accounts |  |  |  |
Balance at beginning of the year | 458 |  |  |
Provisions | 3,905 |  | 458 | 29
Write off | (138) |  |  | ¥ (29)
Reversal | (578) |  |  |
Balance at end of the year | 3,647 |  | 458 |
Other Financial Receivables |  |  |  |
Allowance for doubtful accounts |  |  |  |
Balance at beginning of the year | 4,000 |  |  |
Provisions | 495 |  | 4,000 |
Write off | ¥ (4,495) |  |  |
Balance at end of the year |  |  | ¥ 4,000 |

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- Definition Amount of allowance for credit loss on accounts receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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