Commitments and Contingencies - Narrative (Details) - Pending Litigation				1 Months Ended
	Apr. 09, 2020 patent	Sep. 05, 2018 patent	Jun. 10, 2015 product subsidiary patent customer	Sep. 30, 2015 patent
UEBV Lawsuit
Contingencies [Line Items]
Number of subsidiaries named in lawsuit | subsidiary			1
Number of customers named in lawsuit | customer			1
UEBV Lawsuit | Design Patents
Contingencies [Line Items]
Number of products named in lawsuit | product			1
Number of patents allegedly infringed upon			2
UEBV Lawsuit | Utility Patents
Contingencies [Line Items]
Number of patents allegedly infringed upon			1	1
Roku Lawsuit | Utility Patents
Contingencies [Line Items]
Number of patents allegedly infringed upon		9
Subsequent Event | Roku, TCL, Hisense, and Funai Patent Infringement - ITC Matter
Contingencies [Line Items]
Number of patents allegedly infringed upon	8