Segment Information (Tables)

3 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area

A summary of the Company’s revenue by geographic area, based on the location in which the services originated, is set forth in the following table:

	United States		Canada		Other		Total
Revenue
Three Months Ended March 31,
2017	$	274,682	$	26,470	$	43,548	$	344,700
2016	$	252,199	$	28,406	$	28,437	$	309,042