Quarterly report pursuant to Section 13 or 15(d)

Segments (Reportable segment revenues) (Details)

v3.5.0.2
Segments (Reportable segment revenues) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Segment Reporting Information [Line Items]        
Revenues $ 236,655 $ 258,573 $ 701,519 $ 737,190
Adjusted EBITDA 78,185 96,526 220,331 259,830
Operating Segments [Member]        
Segment Reporting Information [Line Items]        
Revenues 236,655 258,573 701,519 737,190
Adjusted EBITDA 78,185 96,526 220,331 259,830
Operating Segments [Member] | Wireless [Member]        
Segment Reporting Information [Line Items]        
Revenues 52,327 80,424 157,664 207,568
Adjusted EBITDA 32,018 57,404 97,416 140,518
Operating Segments [Member] | Wireline [Member]        
Segment Reporting Information [Line Items]        
Revenues 184,328 178,149 543,855 529,622
Adjusted EBITDA $ 46,167 $ 39,122 $ 122,915 $ 119,312