Long-Term Investments - Schedule of Unrealized and Realized Gains and Losses of Equity Securities (Detail) ¥ in Thousands, $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2023
CNY (¥)
|
|
| Investment [Line Items] | ||||
| Gross unrealized gains (upward adjustments) | ¥ 23,279 | ¥ 501 | ||
| Gross unrealized losses (downward adjustment and impairment) | ¥ (77,390) | $ (11,067) | (94,930) | (168,759) |
| Net unrealized losses on equity securities held | (77,390) | (11,067) | (71,651) | (168,258) |
| Net gains on equity securities sold | 27,102 | 3,876 | 2,627 | 6,117 |
| Total net losses recognized in other income, net | ¥ (50,288) | $ (7,191) | ¥ (69,024) | ¥ (162,141) |