PROPERTY AND EQUIPMENT, NET (Schedule of Property and Equipment) (Details) - USD ($) $ in Thousands |
Jun. 30, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, cost | $ 74,519 | $ 114,969 |
| Less: Accumulated depreciation | (27,368) | (22,284) |
| Less: Provision for impairment | (22,486) | |
| Property and equipment, net | 47,151 | 70,199 |
| Electronics and office equipments | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, cost | 8,206 | 1,280 |
| Motor vehicles | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, cost | 754 | 966 |
| Leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, cost | 5,802 | 9,082 |
| Construction in Progress | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, cost | 3,158 | 7,662 |
| Machinery and Equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, cost | $ 56,599 | $ 95,979 |