Quarterly report pursuant to Section 13 or 15(d)

Earnings (Loss) Per Common Share (Basic Net Income (Loss) per Share) (Details)

v3.4.0.3
Earnings (Loss) Per Common Share (Basic Net Income (Loss) per Share) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Numerator [Abstract]    
Net income (loss) available to common stockholders $ 1,099 $ (19,269)
Common Stock - Class A [Member]    
Numerator [Abstract]    
Net income (loss) available to common stockholders 1,009 (17,723)
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic 48 0
Undistributed income (loss) allocable to common stockholders for basic computation $ 961 $ (17,723)
Denominator [Abstract]    
Weighted Average Number of Shares Outstanding, Basic 33,696 36,217
Basic net income (loss) attributable to GCI common stockholders per common share $ 0.03 $ (0.49)
Common Stock - Class B [Member]    
Numerator [Abstract]    
Net income (loss) available to common stockholders $ 90 $ (1,546)
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic 0 0
Undistributed income (loss) allocable to common stockholders for basic computation $ 90 $ (1,546)
Denominator [Abstract]    
Weighted Average Number of Shares Outstanding, Basic 3,155 3,159
Basic net income (loss) attributable to GCI common stockholders per common share $ 0.03 $ (0.49)