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Business Description and Basis of Presentation (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) Patent	Mar. 31, 2019 USD ($)
Business Description [Abstract]
Costs accrued in conjunction with proceeds from litigation | $	$ 90,101	$ 0
Patents [Member]
Business Description [Abstract]
Number of patents and pending applications	194
Patents [Member] | U.S. [Member]
Business Description [Abstract]
Number of patents and pending applications	70
Patents [Member] | Foreign [Member]
Business Description [Abstract]
Number of patents and pending applications	124

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The aggregate licensing costs related to revenues.

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