XML 74 R55.htm IDEA: XBRL DOCUMENT v3.21.2
EQUITY BASED COMPENSATION - Schedule of Unvested Restricted Common Stock Unit Awards Activity (Detail)
9 Months Ended
Sep. 30, 2021
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Granted $ 1.54
Resctricted Common Stock units [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Granted | shares 616,920
Unvested at September 30, 2021 | shares 616,920
Granted $ 6.25
Unvested at September 30, 2021 $ 6.25