Operations by Geographic Location (Tables)

3 Months Ended

Mar. 31, 2017

Total revenue by geographic area was as follows (in thousands, all intercompany transactions have been eliminated):



	Three Months Ended March 31,
	2017		2016
Revenue:
North America^(a)	$	184,287	$	185,714
Europe, Middle East and Africa	57,262		56,898
Asia-Pacific	10,529		6,372
Latin America	—		13
Total net service revenue	252,078		248,997
Reimbursable-out-of-pocket expenses	129,840		164,090
Total revenue	$	381,918	$	413,087

(a)Net service revenue for the North America region includes revenue attributable to the United States of $178.4 million and $180.5 million, or 70.8% and 72.5% of net service revenue, for the three months ended March 31, 2017 and March 31, 2016, respectively. No other country represented more than 10% of net service revenue for any period.

Long-Lived Assets by Geographic Area

Long-lived assets by geographic area for each period were as follows (in thousands):



	March 31, 2017		December 31, 2016
Property and equipment, net:
North America^(a)	$	37,871	$	41,057
Europe, Middle East and Africa	11,975		11,235
Asia-Pacific	6,755		5,101
Latin America	884		913
Total property and equipment, net	$	57,485	$	58,306

(a)Long-lived assets for the North America region include property and equipment, net attributable to the United States of $37.4 million and $40.6 million as of March 31, 2017 and December 31, 2016, respectively.