PARENT COMPANY ONLY CONDENSED FINANCIAL INFORMATION - Parent Company Condensed Statements of Comprehensive Loss (Details) (Parenthetical) - USD ($) $ in Thousands |
12 Months Ended | 36 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2023 |
|
| PARENT COMPANY ONLY CONDENSED FINANCIAL INFORMATION | ||||
| Fair value changes of mandatorily redeemable noncontrolling interest, exchangeable notes and convertible notes due to instrument - specific credit risk, income taxes | $ 0 | $ 0 | $ 0 | |
| Foreign currency translation adjustment, income taxes | 0 | 0 | 0 | |
| Parent Company | ||||
| PARENT COMPANY ONLY CONDENSED FINANCIAL INFORMATION | ||||
| Fair value changes of mandatorily redeemable noncontrolling interest, exchangeable notes and convertible notes due to instrument - specific credit risk, income taxes | $ 0 | |||
| Foreign currency translation adjustment, income taxes | $ 0 | $ 0 | $ 0 | |