Litigation and Legal Proceedings (Details) - Pending Litigation $ in Millions	Mar. 11, 2019 USD ($)	Dec. 03, 2019 patent	Nov. 04, 2019 patent	Aug. 28, 2019 patent	Aug. 27, 2019 patent	Jan. 23, 2019 patent
U.K. Proceedings
Loss Contingencies [Line Items]
Number of patents alleged infringement		5			5
District Of Delaware Proceedings
Loss Contingencies [Line Items]
Number of patents alleged infringement				8
Number of patents alleged infringement dismissed			6
Asustek Proceedings
Loss Contingencies [Line Items]
Damages sought | $	$ 58.3
ZTE USITC Proceedings And Related Delaware District Court Proceedings
Loss Contingencies [Line Items]
Number of patents in suit						3