Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Narratives) (Details)

v2.4.0.6
Intangible Assets (Narratives) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2013
Wireless Goodwill [Member]
Mar. 31, 2012
Wireless Goodwill [Member]
Mar. 31, 2013
Wireline Goodwill [Member]
Mar. 31, 2012
Wireline Goodwill [Member]
Goodwill by Segment [Line Item]            
Goodwill $ 77,294 $ 77,294 $ 15,700 $ 15,700 $ 61,600 $ 59,200