Quarterly report pursuant to Section 13 or 15(d)

GOODWILL AND INTANGIBLE ASSETS - Components of intangible assets (Details)

v3.21.2
GOODWILL AND INTANGIBLE ASSETS - Components of intangible assets (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]    
Amortizable intangible assets $ 297,155  
Indefinite-lived intangible assets: 105,383  
Total customer contracts and other intangible assets 402,538  
Trademarks & Tradenames, Net    
Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets: 101,738  
Total customer contracts and other intangible assets 108,200 $ 109,000
Internet domains    
Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets: 2,227  
Other Intangible Assets, Net    
Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets: 1,418  
Customer Contracts, Net    
Finite-Lived Intangible Assets [Line Items]    
Amortizable intangible assets $ 284,393 298,900
Customer Contracts, Net | Minimum    
Finite-Lived Intangible Assets [Line Items]    
Finite lived intangible assets useful life 3 years  
Customer Contracts, Net | Maximum    
Finite-Lived Intangible Assets [Line Items]    
Finite lived intangible assets useful life 20 years  
Trademarks & Tradenames, Net    
Finite-Lived Intangible Assets [Line Items]    
Amortizable intangible assets $ 6,493  
Trademarks & Tradenames, Net | Minimum    
Finite-Lived Intangible Assets [Line Items]    
Finite lived intangible assets useful life 7 years  
Trademarks & Tradenames, Net | Maximum    
Finite-Lived Intangible Assets [Line Items]    
Finite lived intangible assets useful life 20 years  
Non-compete agreements    
Finite-Lived Intangible Assets [Line Items]    
Amortizable intangible assets $ 4,316  
Non-compete agreements | Minimum    
Finite-Lived Intangible Assets [Line Items]    
Finite lived intangible assets useful life 3 years  
Non-compete agreements | Maximum    
Finite-Lived Intangible Assets [Line Items]    
Finite lived intangible assets useful life 20 years  
Patents    
Finite-Lived Intangible Assets [Line Items]    
Amortizable intangible assets $ 1,441  
Patents | Minimum    
Finite-Lived Intangible Assets [Line Items]    
Finite lived intangible assets useful life 3 years  
Patents | Maximum    
Finite-Lived Intangible Assets [Line Items]    
Finite lived intangible assets useful life 15 years  
Other Intangible Assets, Net    
Finite-Lived Intangible Assets [Line Items]    
Amortizable intangible assets $ 512  
Total customer contracts and other intangible assets $ 9,900 $ 10,800
Finite lived intangible assets useful life 10 years