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Acquisitions - Intangible Assets (Details)
$ in Thousands
1 Months Ended 12 Months Ended
Sep. 01, 2021
USD ($)
Mar. 02, 2020
USD ($)
Jan. 08, 2020
USD ($)
Nov. 02, 2020
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Business Acquisition [Line Items]              
Fair Value             $ 1,568
GPX India              
Business Acquisition [Line Items]              
Fair Value         $ 15,472    
Bell              
Business Acquisition [Line Items]              
Fair Value           $ 75,631  
Packet Host, Inc.              
Business Acquisition [Line Items]              
Fair Value           58,500  
Axtel              
Business Acquisition [Line Items]              
Fair Value           $ 22,750  
Customer relationships | GPX India              
Business Acquisition [Line Items]              
Fair Value $ 15,472            
Estimated Useful Lives (Years) 15 years            
Weighted-average Estimated Useful Lives (Years) 15 years            
Customer relationships | GPX India | Discount Rate              
Business Acquisition [Line Items]              
Finite-lived intangible assets acquired, measurement input 0.110            
Customer relationships | Bell              
Business Acquisition [Line Items]              
Fair Value       $ 75,857,000      
Estimated Useful Lives (Years)       15 years      
Weighted-average Estimated Useful Lives (Years)       15 years      
Customer relationships | Bell | Discount Rate              
Business Acquisition [Line Items]              
Finite-lived intangible assets acquired, measurement input       0.080      
Customer relationships | Packet Host, Inc.              
Business Acquisition [Line Items]              
Fair Value   $ 52,100          
Estimated Useful Lives (Years)   10 years          
Weighted-average Estimated Useful Lives (Years)   10 years          
Customer relationships | Packet Host, Inc. | Discount Rate              
Business Acquisition [Line Items]              
Finite-lived intangible assets acquired, measurement input   0.080          
Customer relationships | Axtel              
Business Acquisition [Line Items]              
Fair Value     $ 22,750        
Estimated Useful Lives (Years)     15 years        
Weighted-average Estimated Useful Lives (Years)     15 years        
Customer relationships | Axtel | Discount Rate              
Business Acquisition [Line Items]              
Finite-lived intangible assets acquired, measurement input     0.133        
Trade names | Packet Host, Inc.              
Business Acquisition [Line Items]              
Fair Value   $ 1,300          
Estimated Useful Lives (Years)   3 years          
Weighted-average Estimated Useful Lives (Years)   3 years          
Trade names | Packet Host, Inc. | Discount Rate              
Business Acquisition [Line Items]              
Finite-lived intangible assets acquired, measurement input   0.080          
Trade names | Packet Host, Inc. | Royalty Method, Royalty Rate              
Business Acquisition [Line Items]              
Finite-lived intangible assets acquired, measurement input   0.010          
Existing technology | Packet Host, Inc.              
Business Acquisition [Line Items]              
Fair Value   $ 5,100          
Estimated Useful Lives (Years)   3 years          
Weighted-average Estimated Useful Lives (Years)   3 years          
Existing technology | Packet Host, Inc. | Discount Rate              
Business Acquisition [Line Items]              
Finite-lived intangible assets acquired, measurement input   0.080