Prepayments and Other Assets - Components of Current and Non-Current Portions of Prepayments and Other Assets (Parenthetical) (Details) $ in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
|
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2023
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
|
| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] | |||||
| Contract assets allowance for credit losses | ¥ 25,400,000 | ¥ 32,600,000 | $ 3.6 | ||
| Provisions (reversal) charged against the allowance for credit losses | (7,200,000) | $ (1.0) | 14,800,000 | ¥ 5,400,000 | |
| Write-offs charged against the allowance for credit losses | 0 | 0 | 0 | ||
| Allowance for credit losses on other current and non-current assets | 86,900,000 | 82,500,000 | $ 12.4 | ||
| Provisions (reversal) charged against credit losses on other current and non-current assets | 6,000,000 | 0.9 | (3,500,000) | (31,200,000) | |
| Write-offs charged against the allowance | ¥ 1,600,000 | $ 0.2 | ¥ 0 | ¥ 16,500,000 | |