Quarterly report pursuant to Section 13 or 15(d)

REVENUE (Details)

v3.21.2
REVENUE (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Disaggregation of Revenue [Line Items]        
Revenues $ 650,199 $ 583,698 $ 1,823,957 $ 1,624,928
UNITED STATES        
Disaggregation of Revenue [Line Items]        
Revenues 602,336 540,763 1,686,371 1,510,685
Non-US        
Disaggregation of Revenue [Line Items]        
Revenues $ 47,863 $ 42,935 $ 137,586 $ 114,243