Summary of Significant Accounting Policies and Other Information - Schedules of Concentration of Risk, by Risk Factor (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Purchases | Supplier Concentration Risk | Supplier A
Concentration Risk [Line Items]
Concentration risk, percentage	29.00%	19.00%	20.00%	18.00%
Purchases | Supplier Concentration Risk | Supplier B
Concentration Risk [Line Items]
Concentration risk, percentage	12.00%	15.00%	12.00%	15.00%
Customer A | Net sales | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	11.00%	15.00%	15.00%	16.00%
Customer A | Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage			18.00%		25.00%
Customer B | Net sales | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	11.00%			10.00%
Customer B | Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage					15.00%
Customer C | Net sales | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	15.00%	13.00%	12.00%
Customer D | Net sales | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	11.00%