XML 49 R38.htm IDEA: XBRL DOCUMENT v3.21.2
Basis of Presentation (Details)
6 Months Ended
Jun. 30, 2021
Segment
Basis Of Presentation [Line Items]  
Number of reportable segments 2
Maximum [Member]  
Basis Of Presentation [Line Items]  
Percentage of cost method investments 20.00%
Percentage of non controlling interest 100.00%