Property and Equipment, net (Table) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 827,110	$ 654,091
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(458,496)	(456,549)
Property and equipment, net	368,614	197,542
Land [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	4,000	4,000
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	230	10,780
Furniture and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	91,397	90,420
Software and Software Development Costs [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	701,482	498,522
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 30,001	$ 50,369