Annual report pursuant to Section 13 and 15(d)

Business and Summary of Significant Accounting Principles (EPS Calculations) (Details)

v3.3.1.900
Business and Summary of Significant Accounting Principles (EPS Calculations) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Class of Stock [Line Items]                      
Net income (loss) available to common stockholders $ (8,760) $ 17,631 $ (15,627) $ (19,269) $ (9,425) $ 9,915 $ 5,927 $ 1,140 $ (26,025) $ 7,557 $ 9,406
Class A Common Stock                      
Class of Stock [Line Items]                      
Net income (loss) available to common stockholders                 (23,858) 6,980 8,678
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic                 0 (385) (354)
Undistributed income (loss) allocable to common stockholders                 $ (23,858) $ 6,595 $ 8,324
Weighted average common shares outstanding                 34,764 36,112 36,194
Basic net income (loss) attributable to GCI common stockholders per common share $ (0.24) $ 0.45 $ (0.41) $ (0.49) $ (0.24) $ 0.24 $ 0.14 $ 0.03 $ (0.69) $ 0.18 $ 0.23
Reallocation Of Undistributed Earnings As Result Of Conversion Of Shares                 $ (2,167) $ 577 $ 728
Reallocation of undistributed earnings as a result of conversion of dilutive securities                   1 1
Net income (loss) adjusted for allocation of undistributed earnings and effect of contracts that may be settled in cash or shares                 $ (26,025) $ 7,173 $ 9,053
Conversion of Class B to Class A common shares outstanding                 3,157 3,162 3,166
Unexercised stock options                   112 142
Number of shares used in per share computation                 37,921 39,386 39,502
Diluted net income (loss) attributable to GCI common stockholders per common share $ (0.24) $ 0.44 $ (0.41) $ (0.49) $ (0.24) $ 0.24 $ 0.14 $ 0.03 $ (0.69) $ 0.18 $ 0.23
Class B Common Stock                      
Class of Stock [Line Items]                      
Net income (loss) available to common stockholders                 $ (2,167) $ 577 $ 728
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic                 0 0 0
Undistributed income (loss) allocable to common stockholders                 $ (2,167) $ 577 $ 728
Weighted average common shares outstanding                 3,157 3,162 3,166
Basic net income (loss) attributable to GCI common stockholders per common share                 $ (0.69) $ 0.18 $ 0.23
Reallocation Of Undistributed Earnings As Result Of Conversion Of Shares                 $ 0 $ 0 $ 0
Reallocation of undistributed earnings as a result of conversion of dilutive securities                   (2) (3)
Net income (loss) adjusted for allocation of undistributed earnings and effect of contracts that may be settled in cash or shares                 $ (2,167) $ 575 $ 725
Conversion of Class B to Class A common shares outstanding                 0 0 0
Unexercised stock options                   0 0
Number of shares used in per share computation                 3,157 3,162 3,166
Diluted net income (loss) attributable to GCI common stockholders per common share                 $ (0.69) $ 0.18 $ 0.23