Leases - Schedule of Maturity of Operating Lease Liabilities (Details) ¥ in Thousands, $ in Thousands |
Jun. 30, 2024
CNY (¥)
|
Jun. 30, 2024
USD ($)
|
Dec. 31, 2023
CNY (¥)
|
Dec. 31, 2023
USD ($)
|
Dec. 31, 2022
CNY (¥)
|
|---|---|---|---|---|---|
| Leases - Schedule of Maturity of Operating Lease Liabilities (Details) [Line Items] | |||||
| 2024 | ¥ | ¥ 4,447 | ||||
| 2025 | ¥ | 3,179 | ||||
| 2026 | ¥ | 3,179 | ||||
| 2027 | ¥ | |||||
| 2028 | ¥ | |||||
| Total lease payments | ¥ | 10,805 | ||||
| Less: imputed interest | ¥ | (616) | ||||
| Total | ¥ | 10,189 | ||||
| Current portion | ¥ (4,011) | $ (552) | (4,090) | $ (576) | ¥ (5,200) |
| Non-current portion | ¥ (5,093) | $ (701) | ¥ (6,099) | (859) | ¥ (7,494) |
| Previously Reported [Member] | |||||
| Leases - Schedule of Maturity of Operating Lease Liabilities (Details) [Line Items] | |||||
| 2024 | 626 | ||||
| 2025 | 448 | ||||
| 2026 | 448 | ||||
| 2027 | |||||
| 2028 | |||||
| Total lease payments | 1,522 | ||||
| Less: imputed interest | (87) | ||||
| Total | 1,435 | ||||
| Current portion | (576) | ||||
| Non-current portion | $ (859) |