XML 94 R94.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
STOCK-BASED COMPENSATION (Retricted Stock and Restricted Stock Units Additional Information) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 15, 2018
Dec. 31, 2018
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Liability associated with stock-based awards current   $ 0  
Equity Classified Award | Performance Targets | Equity-Settled Award | Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost     $ 1,002
Unrecognized compensation cost, period for recognition     3 years 8 months 12 days
Equity Classified Award | Performance Targets | Equity-Settled Award | Restricted Stock Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost     $ 0
Equity Classified Award | Service Period | Equity-Settled Award | Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost     $ 1,413
Unrecognized compensation cost, period for recognition     2 years 8 months 12 days
Equity Classified Award | Service Period | Equity-Settled Award | Restricted Stock Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost     $ 63,588
Unrecognized compensation cost, period for recognition     2 years 6 months
Liability Classified Award | Service Period | Cash-Settled Award | Restricted Stock Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost     $ 27,538
Unrecognized compensation cost, period for recognition     2 years 1 month 6 days
Liability Classified Award | Service Period | Cash-Settled Award | Restricted Stock Units (RSUs) | Deferred compensation due to employees      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Liability associated with stock-based awards current   9,920 $ 21,902
2019 Acquisitions      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Estimated future operating results, period     12 months
Continuum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Estimated future operating results, period 12 months    
Continuum | Equity Classified Award | Performance Targets | Equity-Settled Award | Restricted Stock Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award accelerated compensation cost   $ 835