XML 74 R63.htm IDEA: XBRL DOCUMENT v3.20.2
EQUITY-BASED COMPENSATION - Share-repurchases (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
2016 plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares repurchased in open market 1,139,729 0 1,989,440 82,092
Number of shares repurchased with employee minimum tax withholding requirements 36,781 26,716 166,461 70,410
Decrease in paid in-capital $ 4.0   $ 10.6  
Class A Common Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Decrease in Class A common stock 12,000   22,000