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Business Combinations and Other Transactions - Narrative (Details)
patent_and_application in Thousands, coding_patent_and_application in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
Mar. 31, 2019
USD ($)
May 31, 2019
Jul. 30, 2018
patent_and_application
Jul. 30, 2018
coding_patent_and_application
Business Acquisition [Line Items]          
Interest expense debt $ 6,486,000        
Technicolor          
Business Acquisition [Line Items]          
Number of patents and applications       18 3
Receive future cash receipts percentage     42.50%    
Combined accumulated projected benefit obligation 6,200,000        
Service cost and interest cost $ 100,000        
Effective interest rate acquisition percentage 14.50%        
Interest expense debt $ 700,000 $ 600,000      
Transaction and integration related costs 700,000 $ 3,000,000.0      
Technicolor | Shortfalls funding          
Business Acquisition [Line Items]          
Shortfalls funding amount $ 25,000,000.0        
Shortfall funding plus percentage 25.00%