Business Combinations and Other Transactions - Narrative (Details) patent_and_application in Thousands, coding_patent_and_application in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	May 31, 2019	Jul. 30, 2018 patent_and_application	Jul. 30, 2018 coding_patent_and_application
Business Acquisition [Line Items]
Interest expense debt		$ 5,512,000	$ 12,032,000	$ 10,259,000
Technicolor
Business Acquisition [Line Items]
Number of patents and applications						18	3
Receive future cash receipts percentage					42.50%
Combined accumulated projected benefit obligation	$ 6,400,000		6,400,000
Service cost and interest cost			$ 200,000
Effective interest rate acquisition percentage	14.50%		14.50%
Interest expense debt	$ 700,000	600,000	$ 1,500,000	1,300,000
Transaction and integration related costs	600,000	$ 1,700,000	1,200,000	$ 4,800,000
Technicolor | Shortfalls funding
Business Acquisition [Line Items]
Shortfalls funding amount	$ 25,000,000.0		$ 25,000,000.0
Shortfall funding plus percentage			25.00%