Mutual Covenant-Not-to-Sue and Release Agreement (Details) - USD ($)	1 Months Ended	3 Months Ended		9 Months Ended
	Jan. 31, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Mutual Covenant-Not-to-Sue Agreement [Abstract]
Proceeds from mutual covenant-not-to-sue agreement	$ 50,000,000.0
Initial term	7 years
Extension term	7 years
Additional proceeds if extended	$ 50,000,000.0
Contractual term	14 years
Total proceeds if extension option utilized	$ 100,000,000.0
Amount allocated to functional component	36,000,000.0
Amount representing the right to utilize future patents	$ 64,000,000.0
Gain on IP matter		$ 1,100,000	$ 0	$ 39,000,000.0	$ 0
Amount recorded in Accrued liabilities and Other liabilities in condensed consolidated balance sheet		$ 11,000,000.0		$ 11,000,000.0