XML 44 R34.htm IDEA: XBRL DOCUMENT v3.21.2
Noncontrolling Interest - Narrative (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2021
Noncontrolling Interest [Abstract]    
Common stock, conversion term   6 months
Common stock, conversion basis   1
Operating Trust    
Noncontrolling Interest [Line Items]    
Noncontrolling interest, weighted average ownership percentage by parent 99.80% 99.80%