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Restructuring Expenses (Notes)	9 Months Ended
Restructuring Expenses (Notes)	Sep. 30, 2016
Restructuring and Related Activities [Abstract]
Restructuring Expenses	Restructuring Expenses In second quarter of 2016, the Company integrated its Sales and Field organizations in North America to better serve its customers which resulted in a reduction in headcount of 36 employees. Accordingly, the Company incurred approximately $1.7 million of restructuring expenses in the nine months ended September 30, 2016, based on agreements with terminated employees covering salary and benefit continuation. As of September 30, 2016 the restructuring program has been concluded. The Company had paid approximately $0.5 million and $1.7 million for the three months and nine months ended September 30, 2016, respectively.