BONDS PAYABLE - Schedule of Bonds Payable (Details) - USD ($) $ in Thousands |
Sep. 30, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Bonds Payable [Line Items] | ||
| Long-term bonds payable, Total | $ 43,888 | $ 73,147 |
| Huzhou Saiyuan Equity Investment Partnership Firm (Limited Partnership) ("Huzhou Saiyun"） | ||
| Bonds Payable [Line Items] | ||
| Bonds payable, Total | 29,259 | 0 |
| Huzhou Saiyuan | ||
| Bonds Payable [Line Items] | ||
| Long-term bonds payable, Total | $ 43,888 | $ 73,147 |