Materials And Supplies (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Inventory [Line Items]
Materials and supplies	$ 512	$ 832
Inventory For Outside Plant [Member]
Inventory [Line Items]
Materials and supplies	203	322
Inventory For Central Office [Member]
Inventory [Line Items]
Materials and supplies	153	266
Inventory For Online Equipment [Member]
Inventory [Line Items]
Materials and supplies	64	77
Inventory For Satellite Video Equipment / DIRECTV [Member]
Inventory [Line Items]
Materials and supplies	2	68
Inventory For Equipment Held For Sale Or Lease [Member]
Inventory [Line Items]
Materials and supplies		16
Inventory For VoIP Telephone Equipment [Member]
Inventory [Line Items]
Materials and supplies	$ 90	$ 83