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Goodwill and Identified Intangible Assets - Identified Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	$ 1,621,080	$ 692,145
Finite-lived intangible assets, Gross Assets	1,599,680	692,145
Finite-lived intangible assets, Accumulated Amortization	(616,701)	(459,870)
Intangible assets, net	1,004,379	232,275
Finite-lived intangible assets, Net	$ 982,979	232,275
Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (years)	1 year
Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (years)	15 years
TiVo Tradename/trademarks
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets, Gross Assets	$ 21,400
Indefinite-lived intangible assets, Net	21,400
Acquired patents / core technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Assets	659,085	151,184
Finite-lived intangible assets, Accumulated Amortization	(167,916)	(135,952)
Finite-lived intangible assets, Net	$ 491,169	15,232
Acquired patents / core technology | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (years)	3 years
Acquired patents / core technology | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (years)	15 years
Existing technology / content database
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Assets	$ 248,110	206,878
Finite-lived intangible assets, Accumulated Amortization	(169,326)	(130,890)
Finite-lived intangible assets, Net	$ 78,784	75,988
Existing technology / content database | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (years)	5 years
Existing technology / content database | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (years)	10 years
Customer contracts and related relationships
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Assets	$ 650,171	291,769
Finite-lived intangible assets, Accumulated Amortization	(256,199)	(174,741)
Finite-lived intangible assets, Net	$ 393,972	117,028
Customer contracts and related relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (years)	3 years
Customer contracts and related relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (years)	9 years
Trademarks/trade name
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Assets	$ 40,083	40,083
Finite-lived intangible assets, Accumulated Amortization	(21,029)	(16,056)
Finite-lived intangible assets, Net	$ 19,054	24,027
Trademarks/trade name | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (years)	4 years
Trademarks/trade name | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (years)	10 years
Non-competition agreements
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Assets	$ 2,231	2,231
Finite-lived intangible assets, Accumulated Amortization	$ (2,231)	(2,231)
Estimated Useful Life (years)	1 year
Finite-lived intangible assets, Net		$ 0

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