Segment Information - Accounts Receivable (Details)	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2016	Dec. 31, 2015
Customer D [Domain] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Entity-Wide Revenue, Major Customer, Percentage		12.20%	14.70%
Customer B [Domain]
Concentration Risk [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	15.50%	14.40%
Customer B [Domain] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Entity-Wide Revenue, Major Customer, Percentage		11.70%
Customer A [Domain]
Concentration Risk [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	33.70%	42.10%
Customer A [Domain] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Entity-Wide Revenue, Major Customer, Percentage		40.00%	36.00%