Segment and Geographical Information - Schedule of Long Lived Assets by Geographical Areas (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Total consolidated assets	$ 320,106	$ 344,923
Reportable Geographical Components [Member] | United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total consolidated assets	191,378	200,978
Reportable Geographical Components [Member] | International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total consolidated assets	$ 128,728	$ 143,945