Summary of Significant Accounting Policies and Other Information - Schedules of Concentration of Risk, by Risk Factor (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Purchases | Supplier Concentration Risk | Supplier A
Concentration Risk [Line Items]
Concentration risk, percentage	13.00%	18.00%	15.00%	17.00%
Purchases | Supplier Concentration Risk | Supplier B
Concentration Risk [Line Items]
Concentration risk, percentage	16.00%	14.00%	13.00%	15.00%
Purchases | Supplier Concentration Risk | Supplier C
Concentration Risk [Line Items]
Concentration risk, percentage	10.00%		11.00%
Customer A | Net sales | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	17.00%	15.00%	17.00%	17.00%
Customer A | Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage			19.00%		25.00%
Customer B | Net sales | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	12.00%	11.00%
Customer B | Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage			12.00%		15.00%
Customer C | Net sales | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage		11.00%		11.00%
Customer C | Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage			11.00%