| CONSOLIDATED STATEMENTS OF MEMBERS' DEFICIT (Parenthetical) $ in Thousands | 12 Months Ended | 
|---|---|
| Dec. 31, 2020  USD ($) | |
| CONSOLIDATED STATEMENTS OF MEMBERS' DEFICIT | |
| Issuance costs | $ 559 | 
| X | ||||||||||
| 
- Definition The cash outflow for cost incurred directly with the issuance of an equity security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
 | 
| X | ||||||||||
| 
- References No definition available. 
 |