Quarterly report pursuant to Section 13 or 15(d)

REVENUE (Details)

v3.20.2
REVENUE (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax $ 553,329 $ 523,957 $ 1,041,230 $ 953,026
UNITED STATES        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 517,576 485,170 969,922 879,170
Non-US [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax $ 35,753 $ 38,787 $ 71,308 $ 73,856