Fair Value Measurements - Schedule of Reconciliation of Assets and Liabilities Measured on Recurring Basis Using Significant Unobservable Inputs (Details) - Level 3 - Market and Income Approaches ¥ in Thousands, $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2024
USD ($)
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||
| Balance | ¥ 788,982 | $ 112,823 | ¥ 466,006 | |
| Addition | 0 | 0 | 492 | |
| Disposals | (10,000) | (1,430) | (52,581) | |
| Conversion | 35,000 | 5,005 | 370,373 | |
| Accrued interests | 0 | 0 | 618 | |
| Allowance for credit losses | (54,093) | (7,735) | 0 | |
| Net unrealized fair value change recognized in other comprehensive income | ¥ (150,066) | $ (21,459) | ¥ (2,506) | |
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] | OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax | OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax | OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax | OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax |
| Foreign currency translation adjustments | ¥ (7,163) | $ (1,025) | ¥ 6,580 | |
| Balance | ¥ 602,660 | $ 86,179 | ¥ 788,982 | $ 112,823 |