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Business Combinations - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Nov. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Business Acquisition [Line Items]      
Amortization period 11 years    
Goodwill   $ 506,953 $ 504,173
Yahsat      
Business Acquisition [Line Items]      
Transaction cost   1,600  
Amortization period 11 years    
Goodwill $ 2,128    
Currency translation   $ 700  
Satellite payload | Yahsat      
Business Acquisition [Line Items]      
Amortization period 7 years