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v3.25.1

Fair Value Measurements - Schedule of the fair value measurement of the Group's assets and liabilities (Detail) ¥ in Thousands, $ in Thousands | Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥)
--- | --- | --- | ---
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Short-Term Investments | ¥ 0 |  | ¥ 58,128
Long-Term Investments | 114,432 | $ 15,677 | 126,341
Derivative liabilities Conversion feature |  |  | 100,279
Time Deposits [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Short-Term Investments | 0 |  | 58,128
Available for Sale Security [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 114,432 |  | 184,469
Available for Sale Security [Member] | Jiayang Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 61,426 |  | 63,071
Available for Sale Security [Member] | Tale Base Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 29,764 |  | 32,176
Available for Sale Security [Member] | Lingdai Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 17,981 |  | 25,473
Available for Sale Security [Member] | Other Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 5,261 |  | 5,621
Fair Value, Inputs, Level 1 [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Derivative liabilities Conversion feature |  |  | 0
Fair Value, Inputs, Level 1 [Member] | Time Deposits [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Short-Term Investments |  |  | 0
Fair Value, Inputs, Level 1 [Member] | Available for Sale Security [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 0 |  | 0
Fair Value, Inputs, Level 1 [Member] | Available for Sale Security [Member] | Jiayang Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 0 |  | 0
Fair Value, Inputs, Level 1 [Member] | Available for Sale Security [Member] | Tale Base Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 0 |  | 0
Fair Value, Inputs, Level 1 [Member] | Available for Sale Security [Member] | Lingdai Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 0 |  | 0
Fair Value, Inputs, Level 1 [Member] | Available for Sale Security [Member] | Other Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 0 |  | 0
Fair Value, Inputs, Level 2 [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Derivative liabilities Conversion feature |  |  | 0
Fair Value, Inputs, Level 2 [Member] | Time Deposits [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Short-Term Investments |  |  | 58,128
Fair Value, Inputs, Level 2 [Member] | Available for Sale Security [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 0 |  | 58,128
Fair Value, Inputs, Level 2 [Member] | Available for Sale Security [Member] | Jiayang Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 0 |  | 0
Fair Value, Inputs, Level 2 [Member] | Available for Sale Security [Member] | Tale Base Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 0 |  | 0
Fair Value, Inputs, Level 2 [Member] | Available for Sale Security [Member] | Lingdai Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 0 |  | 0
Fair Value, Inputs, Level 2 [Member] | Available for Sale Security [Member] | Other Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 0 |  | 0
Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Derivative liabilities Conversion feature |  |  | 100,279
Fair Value, Inputs, Level 3 [Member] | Time Deposits [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Short-Term Investments |  |  | 0
Fair Value, Inputs, Level 3 [Member] | Available for Sale Security [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 114,432 |  | 126,341
Fair Value, Inputs, Level 3 [Member] | Available for Sale Security [Member] | Jiayang Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 61,426 |  | 63,071
Fair Value, Inputs, Level 3 [Member] | Available for Sale Security [Member] | Tale Base Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 29,764 |  | 32,176
Fair Value, Inputs, Level 3 [Member] | Available for Sale Security [Member] | Lingdai Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | 17,981 |  | 25,473
Fair Value, Inputs, Level 3 [Member] | Available for Sale Security [Member] | Other Investment [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Long-Term Investments | ¥ 5,261 |  | ¥ 5,621

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- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 5 -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480463/815-10-45-5 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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