SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration and Risk (Details) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2023
USD ($)
customer
|
Dec. 31, 2022
USD ($)
customer
|
Dec. 31, 2021
USD ($)
customer
|
Dec. 31, 2023
CNY (¥)
|
|
| Concentration and Risk | ||||
| Related party transactions | $ | $ 11,031 | $ 8,036 | $ 3,280 | |
| Number of customer | customer | 0 | 0 | 0 | |
| Maximum insured amount by government authority | ¥ | ¥ 500 | |||
| Revenue Benchmark | Customer Concentration Risk | Geely Group | ||||
| Concentration and Risk | ||||
| Concentartion risk (as a percent) | 97.57% | 96.24% | ||
| Accounts receivable | Credit concentration | Geely Group | ||||
| Concentration and Risk | ||||
| Concentartion risk (as a percent) | 22.09% | 95.00% | ||
| Purchases | Supplier concentration | Geely Group | ||||
| Concentration and Risk | ||||
| Concentartion risk (as a percent) | 74.95% | 39.28% | 74.96% | |
| Accounts Payable | Supplier concentration | Geely Group | ||||
| Concentration and Risk | ||||
| Concentartion risk (as a percent) | 65.96% | 38.29% | ||