Convertible Promissory Notes Payable - Additional Information (Detail) $ / shares in Units, ¥ in Thousands, $ in Millions |
Dec. 06, 2022 |
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Oct. 01, 2025 |
Dec. 31, 2024
CNY (¥)
|
Oct. 31, 2015
USD ($)
$ / shares
|
Oct. 08, 2015
$ / shares
|
|---|---|---|---|---|---|---|---|
| Convertible Promissory Note Payable [Line Items] | |||||||
| Notes issued | ¥ | ¥ 6,503,803 | ¥ 6,174,050 | |||||
| Maturity Date | Oct. 08, 2026 | ||||||
| Sale of Stock Price Per Share | $ / shares | $ 14.8869 | ||||||
| Ping an group [Member] | |||||||
| Convertible Promissory Note Payable [Line Items] | |||||||
| Notes issued | $ | $ 1,953.8 | ||||||
| Loans received | $ | $ 937.8 | ||||||
| Loan interest rate | 0.7375% | ||||||
| Conversion Of Debt To Equity conversion price | $ / shares | $ 14.8869 | ||||||
| Ping An Group And An key Technology [Member] | |||||||
| Convertible Promissory Note Payable [Line Items] | |||||||
| Loan interest rate | 0.7375% | ||||||
| Percentage of Conversion of Debt to Equity | 50.00% | ||||||
| Percentage To Redeem Outstanding Principal Amount | 50.00% | ||||||
| Percentage Of Additional Outstanding Principal Amount | 50.00% |