Quarterly report pursuant to Section 13 or 15(d)

SHARE-BASED COMPENSATION - Unvested Class A membership interests conversion (Details)

v3.21.2
SHARE-BASED COMPENSATION - Unvested Class A membership interests conversion (Details) - Members' Equity, Class A
9 Months Ended
Sep. 30, 2021
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unvested at December 31, 2020 200,463
Vested (200,463)