| **Selected Quarterly Financial Data (Unaudited)**         | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
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| **Quarterly Financial Information Disclosure [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| Selected Quarterly Financial Data (Unaudited)             | Selected Quarterly Financial Data (Unaudited)The following is a summary of unaudited quarterly results of operations for the years ended December 31, 2013 and 2012 (amounts in thousands, except per share amounts): FirstQuarterSecondQuarterThirdQuarterFourthQuarter2013    Total revenues$186,216189,661217,943217,828Operating income$23,06025,69538,68425,423Net income (loss) attributable to GCI$3,2444,1808,905(6,923)Basic net income (loss) attributable to GCI per common share$0.080.100.22(0.17)Diluted net income (loss) attributable to GCI per common share$0.080.100.22(0.17)     2012    Total revenues$171,907176,104178,494183,676Operating income$19,68524,63325,39219,270Net income attributable to GCI$1,4293,9823,700562Basic net income attributable to GCI per common share$0.030.100.090.01Diluted net income attributable to GCI per common share1$0.030.090.090.01     1Due to rounding, the sum of quarterly diluted net income (loss) attributable to GCI per common share amounts does not agree to total year diluted net income attributable to GCI per common share. |

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The entire disclosure for the quarterly financial data in the annual financial statements.  The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e765-108305Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e725-108305Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=25249566&loc=d3e1280-108306Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section G -Subsection 1Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 302 -Paragraph a
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