Quarterly report pursuant to Section 13 or 15(d)

Business and Summary of Significant Accounting Principles (Basic EPS calculations) (Details)

v3.2.0.727
Business and Summary of Significant Accounting Principles (Basic EPS calculations) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Class of Stock [Line Items]        
Net income (loss) available to common stockholders $ (15,627) $ 5,927 $ (34,896) $ 7,067
Common Stock - Class A [Member]        
Class of Stock [Line Items]        
Net income (loss) available to common stockholders (14,330) 5,476 (32,048) 6,526
Less: Undistributed income allocable to participating securities 0 (320) 0 (354)
Undistributed income (loss) allocable to common stockholders $ (14,330) $ 5,156 $ (32,048) $ 6,172
Weighted average common shares outstanding 34,887 36,143 35,548 36,112
Basic net income (loss) attributable to GCI common stockholders per common share $ (0.41) $ 0.14 $ (0.90) $ 0.17
Common Stock - Class B [Member]        
Class of Stock [Line Items]        
Net income (loss) available to common stockholders $ (1,297) $ 451 $ (2,848) $ 541
Less: Undistributed income allocable to participating securities 0 0 0 0
Undistributed income (loss) allocable to common stockholders $ (1,297) $ 451 $ (2,848) $ 541
Weighted average common shares outstanding 3,159 3,162 3,159 3,163
Basic net income (loss) attributable to GCI common stockholders per common share $ (0.41) $ 0.14 $ (0.90) $ 0.17