OTHER LIABILITIES - Schedule of Components of Other Liabilities (Details) - USD ($) $ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Other Liabilities Disclosure [Abstract] | ||
| Deferred rent | $ 1,583 | |
| Accrued early lease termination liability | 1,137 | |
| Deferred tax liability | 214 | |
| Total | $ 0 | $ 2,934 |