Geographic information:

12 Months Ended

Dec. 31, 2017

10. Geographic information:

Operating segments are defined as components of an enterprise about which separate financial information is available that is evaluated regularly by the chief operating decision maker in deciding how to allocate resources and in assessing the Company's performance. The Company has one operating segment. Revenues are attributed to regions based on where the services are provided. Below are the Company's service revenues and long lived assets by geographic region (in thousands):

	Years Ended December 31,
	2017		2016		2015
Service Revenue
North America	$	402,194	$	372,810	$	332,814
Europe		82,981		74,090		71,420

Total	$	485,175	$	446,900	$	404,234

	December 31, 2017		December 31, 2016		December 31, 2015
Long lived assets, net
North America	$	282,112	$	285,651	$	285,187
Europe		99,194		76,014	$	74,976

Total	$	381,306	$	361,665	$	360,163

The majority of North American revenue consists of services delivered within the United States.

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

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+ Details