Revenue and Accounts Receivable, Net - Net Sales to Significant Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 153,505	$ 200,724	$ 458,416	$ 578,783
Comcast Corporation
Disaggregation of Revenue [Line Items]
Net sales	$ 32,533	$ 30,419	$ 95,014	$ 91,058
Comcast Corporation | Customer Concentration Risk | Net Sales
Disaggregation of Revenue [Line Items]
Concentration risk percentage	21.20%	15.20%	20.70%	15.70%
Sony Corporation
Disaggregation of Revenue [Line Items]
Net sales	$ 15,927	$ 0
Sony Corporation | Customer Concentration Risk | Net Sales
Disaggregation of Revenue [Line Items]
Concentration risk percentage	10.40%	0.00%
Ring L.L.C.
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 21,050
Ring L.L.C. | Customer Concentration Risk | Net Sales
Disaggregation of Revenue [Line Items]
Concentration risk percentage	0.00%	10.50%