Breakdown of Revenue and Non-Current Assets by Geographical Areas - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 30, 2016 |
Jun. 30, 2015 |
|
Revenues from External Customers and Long-Lived Assets [Line Items] | ||||
Revenue | $ 407,201 | $ 299,306 | $ 808,454 | $ 593,478 |
Consolidated revenue | ||||
Revenues from External Customers and Long-Lived Assets [Line Items] | ||||
Largest client percent of consolidated revenue, percentage | 2.30% | 2.00% | ||
France | ||||
Revenues from External Customers and Long-Lived Assets [Line Items] | ||||
Revenue | $ 30,900 | $ 27,300 | $ 63,400 | $ 57,900 |