Property And Equipment, Net (Property And Equipment, Net (Including Assets Held Under Capital Leases)) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 4,250,861	$ 4,109,522
Less: accumulated depreciation	(1,672,417)	(1,438,205)
Property and equipment, net	2,578,444	2,671,317
Towers and Related Components [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,821,482	3,757,859
Construction-In-Process [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	24,275	25,454
Furniture, Equipment and Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	40,274	35,278
Land, Buildings, and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 364,830	$ 290,931