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GOODWILL AND OTHER INTANGIBLE ASSETS - Additional Information (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
reportingUnit
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Finite-Lived Intangible Assets [Line Items]      
Goodwill impairment $ 109,486 $ 0 $ 0
Number of reporting units | reportingUnit 3    
Amortization of acquired intangible assets $ 9,730 $ 14,355 $ 14,498
International      
Finite-Lived Intangible Assets [Line Items]      
Goodwill impairment 109,486    
North America      
Finite-Lived Intangible Assets [Line Items]      
Goodwill impairment 0    
Asia Pacific      
Finite-Lived Intangible Assets [Line Items]      
Goodwill impairment $ 0    
Minimum      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, useful life 1 year    
Maximum      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, useful life 10 years