Segment Reporting and Foreign Operations - Long-lived Assets by Geographic Area (Details) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
---|---|---|---|
Revenues from External Customers and Long-Lived Assets [Line Items] | |||
Long-lived assets | $ 267,778 | $ 244,171 | $ 243,270 |
United States | |||
Revenues from External Customers and Long-Lived Assets [Line Items] | |||
Long-lived assets | 186,389 | 177,627 | 178,130 |
Ireland | |||
Revenues from External Customers and Long-Lived Assets [Line Items] | |||
Long-lived assets | 48,896 | 49,708 | 50,274 |
Other Foreign Countries | |||
Revenues from External Customers and Long-Lived Assets [Line Items] | |||
Long-lived assets | $ 32,493 | $ 16,836 | $ 14,866 |