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Acquisitions Acquisitions (Intangible Assets Acquired as Part of Business Combination) (Details) - USD ($) $ in Thousands					12 Months Ended
	Aug. 18, 2021	Jul. 02, 2021	Dec. 08, 2019	Aug. 23, 2019	Dec. 31, 2021	Dec. 31, 2020
Minimum
Identified intangible assets assumed in the acquisitions
Useful life (in years)					6 months
Maximum
Identified intangible assets assumed in the acquisitions
Useful life (in years)					10 years
Existing technology | Minimum
Identified intangible assets assumed in the acquisitions
Useful life (in years)					3 years	3 years
Existing technology | Maximum
Identified intangible assets assumed in the acquisitions
Useful life (in years)					10 years	10 years
Customer contracts and contractual relationships | Minimum
Identified intangible assets assumed in the acquisitions
Useful life (in years)					6 months	6 months
Customer contracts and contractual relationships | Maximum
Identified intangible assets assumed in the acquisitions
Useful life (in years)					10 years	10 years
AnalogX, Inc.
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed		$ 10,600
Indefinite-lived intangible assets acquired		3,800
AnalogX, Inc. | Existing technology
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed		$ 6,300
Identified intangible assets assumed, weighted-average useful life		5 years
AnalogX, Inc. | Customer contracts and contractual relationships
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed		$ 500
Identified intangible assets assumed, weighted-average useful life		2 years
AnalogX, Inc. | In-process research and development | Minimum
Identified intangible assets assumed in the acquisitions
Useful life (in years)		3 years
AnalogX, Inc. | In-process research and development | Maximum
Identified intangible assets assumed in the acquisitions
Useful life (in years)		5 years
PLDA Group
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed	$ 28,800
Indefinite-lived intangible assets acquired	7,400
PLDA Group | Existing technology
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed	$ 20,400
PLDA Group | Existing technology | Minimum
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed, weighted-average useful life	3 years
PLDA Group | Existing technology | Maximum
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed, weighted-average useful life	5 years
PLDA Group | Customer contracts and contractual relationships
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed	$ 1,000
Identified intangible assets assumed, weighted-average useful life	2 years
PLDA Group | In-process research and development | Minimum
Identified intangible assets assumed in the acquisitions
Useful life (in years)	3 years
PLDA Group | In-process research and development | Maximum
Identified intangible assets assumed in the acquisitions
Useful life (in years)	5 years
Northwest Logic
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed				$ 8,800
Northwest Logic | Existing technology
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed				$ 8,100
Identified intangible assets assumed, weighted-average useful life				5 years
Northwest Logic | Customer contracts and contractual relationships
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed				$ 400
Identified intangible assets assumed, weighted-average useful life				2 years
Northwest Logic | Customer backlog
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed				$ 300
Identified intangible assets assumed, weighted-average useful life				6 months
Silicon IP and Business Protocols Business from Verimatrix
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed			$ 23,500
Indefinite-lived intangible assets acquired			1,000
Silicon IP and Business Protocols Business from Verimatrix | Existing technology
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed			$ 21,600
Silicon IP and Business Protocols Business from Verimatrix | Existing technology | Minimum
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed, weighted-average useful life			3 years
Silicon IP and Business Protocols Business from Verimatrix | Existing technology | Maximum
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed, weighted-average useful life			5 years
Silicon IP and Business Protocols Business from Verimatrix | Customer contracts and contractual relationships
Identified intangible assets assumed in the acquisitions
Identified intangible assets assumed			$ 900
Identified intangible assets assumed, weighted-average useful life			5 years
Silicon IP and Business Protocols Business from Verimatrix | In-process research and development | Maximum
Identified intangible assets assumed in the acquisitions
Useful life (in years)			5 years

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