XML 66 R52.htm IDEA: XBRL DOCUMENT v3.21.2
RECONCILIATION OF STOCKHOLDERS' DEFICIT, NON-CONTROLLING INTERESTS AND SENIOR PREFERRED STOCK - Narrative (Details) - shares
Jun. 30, 2021
Dec. 31, 2020
Stockholders' Equity Note Disclosure And Temporary Equity [Abstract]    
Preferred stock authorized (in shares) 100,000,000 100,000,000