SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Reclassifications (Details) - Adjustment - USD ($) $ in Thousands |
9 Months Ended | |
|---|---|---|
Sep. 30, 2020 |
Dec. 31, 2020 |
|
| Reclassification [Line Items] | ||
| Deferred financing costs | $ 900 | |
| Net of accumulated amortization | $ 200 | |
| Increase in share based compensation expense | $ 30 |