v3.10.0.1
BUSINESS COMBINATIONS - Accrued Restructuring (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Restructuring Reserve [Abstract]    
Restructuring charges, beginning balance $ 16,086 $ 650
Increase in Restructuring Charges 5,830 15,005
Payments for Restructuring (14,839) (664)
Restructuring Charges Assumed in Merger 0 1,095
Restructuring charges, ending balance 7,077 16,086
RestructuringReserveNoncurrent (988) (4,413)
Restructuring Reserve Current $ 6,089 $ 11,673