XML 80 R68.htm IDEA: XBRL DOCUMENT v3.19.2
EQUITY-BASED COMPENSATION - Share-repurchases (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
2016 plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares repurchased in open market 0 82,092
Number of shares repurchased with employee minimum tax withholding requirements 26,716 70,410
Decrease in paid in-capital   $ 1.5
Class A Common Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Decrease in Class A common stock   1,500