Revenue and Accounts Receivable, Net - Net Sales to Significant Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 155,625	$ 153,505	$ 456,658	$ 458,416
Comcast Corporation
Disaggregation of Revenue [Line Items]
Net sales	$ 22,578	$ 32,533	$ 74,478	$ 95,014
Comcast Corporation | Customer concentration risk | Net sales
Disaggregation of Revenue [Line Items]
Concentration risk percentage	14.50%	21.20%	16.30%	20.70%
Daikin Industries Ltd.
Disaggregation of Revenue [Line Items]
Net sales	$ 20,610	$ 0	$ 54,495	$ 0
Daikin Industries Ltd. | Customer concentration risk | Net sales
Disaggregation of Revenue [Line Items]
Concentration risk percentage	13.20%	0.00%	11.90%	0.00%
Sony Corporation
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 15,927
Sony Corporation | Customer concentration risk | Net sales
Disaggregation of Revenue [Line Items]
Concentration risk percentage	0.00%	10.40%