OTHER LONG-TERM ASSETS (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | ||
|---|---|---|---|---|
Aug. 31, 2018 |
Mar. 31, 2020 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Investment Holdings [Line Items] | ||||
| Investments, net | $ 1,579 | $ 1,579 | ||
| Operating lease right-of-use assets | $ 735 | $ 1,955 | ||
| Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Other long-term assets | Other long-term assets | ||
| Prepaid asset and deposits | $ 2,456 | $ 1,936 | ||
| Other | 698 | 1,031 | ||
| Other long-term assets | 5,468 | $ 6,501 | ||
| Investment, long-term receivable, credit loss expense | $ 1,900 | |||
| Credit loss allowance | $ 1,900 | |||
| NES | ||||
| Investment Holdings [Line Items] | ||||
| Convertible secured notes receivable | $ 3,000 | |||
| Payment for convertible secured promissory note | $ 3,000 | |||
| Convertible note, interest rate | 10.00% |