2.4.0.8300800 - Disclosure - Financial Instruments (Tables)truefalsefalse1false falsefalseFROM_Jan01_2013_TO_Jun30_2013http://www.sec.gov/CIK0000075679duration2013-01-01T00:00:002013-06-30T00:00:001true 1us-gaap_FairValueDisclosuresAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Financial Instruments [Abstract]2false 2us-gaap_FairValueByBalanceSheetGroupingTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 17px"><td style="width: 70px; text-align:left;border-color:#000000;min-width:70px;"> </td><td style="width: 211px; text-align:left;border-color:#000000;min-width:211px;"> </td><td style="width: 16px; text-align:left;border-color:#000000;min-width:16px;"> </td><td colspan="3" style="width: 173px; text-align:center;border-color:#000000;min-width:173px;">June 30,</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td colspan="3" style="width: 174px; text-align:center;border-color:#000000;min-width:174px;">December 31,</td></tr><tr style="height: 17px"><td style="width: 70px; text-align:left;border-color:#000000;min-width:70px;"> </td><td style="width: 211px; text-align:left;border-color:#000000;min-width:211px;"> </td><td style="width: 16px; text-align:left;border-color:#000000;min-width:16px;"> </td><td colspan="3" style="width: 173px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:173px;">2013</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td colspan="3" style="width: 174px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:174px;">2012</td></tr><tr style="height: 34px"><td style="width: 70px; text-align:left;border-color:#000000;min-width:70px;"> </td><td style="width: 211px; text-align:left;border-color:#000000;min-width:211px;"> </td><td style="width: 16px; text-align:left;border-color:#000000;min-width:16px;"> </td><td style="width: 83px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:83px;">Carrying Amount</td><td style="width: 8px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:8px;"> </td><td style="width: 82px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:82px;">Fair Value</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 83px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:83px;">Carrying Amount</td><td style="width: 8px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:8px;"> </td><td style="width: 83px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:83px;">Fair Value</td></tr><tr style="height: 34px"><td style="width: 70px; text-align:left;border-color:#000000;min-width:70px;"> </td><td style="width: 211px; text-align:left;border-color:#000000;min-width:211px;">Current and long-term debt and capital lease obligations</td><td style="width: 16px; text-align:left;border-color:#000000;min-width:16px;">$</td><td style="width: 83px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:83px;">975,675</td><td style="width: 8px; text-align:left;border-color:#000000;min-width:8px;"> </td><td style="width: 82px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:82px;">963,152</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 83px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:83px;">957,663</td><td style="width: 8px; text-align:left;border-color:#000000;min-width:8px;"> </td><td style="width: 83px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:83px;">979,594</td></tr><tr style="height: 17px"><td style="width: 70px; text-align:left;border-color:#000000;min-width:70px;"> </td><td style="width: 211px; text-align:left;border-color:#000000;min-width:211px;">Other liabilities</td><td style="width: 16px; text-align:left;border-color:#000000;min-width:16px;">$</td><td style="width: 83px; text-align:right;border-color:#000000;min-width:83px;">25,899</td><td style="width: 8px; text-align:left;border-color:#000000;min-width:8px;"> </td><td style="width: 82px; text-align:right;border-color:#000000;min-width:82px;">25,069</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 83px; text-align:right;border-color:#000000;min-width:83px;">25,511</td><td style="width: 8px; text-align:left;border-color:#000000;min-width:8px;"> </td><td style="width: 83px; text-align:right;border-color:#000000;min-width:83px;">24,766</td></tr></table></div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15 -Subparagraph b-d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 18 -Subparagraph c(2), d, e, f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph a, c(1), c(2), c(3), d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13467-108611 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13476-108611 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 14 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 19 -Subparagraph a, b, c(1), d(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false0Fair Value, by Balance Sheet Grouping [Table Text Block]3false 2gciinc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlockgciinc_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 17px"><td style="width: 67px; text-align:left;border-color:#000000;min-width:67px;"> </td><td style="width: 235px; text-align:left;border-color:#000000;min-width:235px;"> </td><td style="width: 15px; text-align:right;border-color:#000000;min-width:15px;"> </td><td colspan="5" style="width: 352px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:352px;">Fair Value Measurement at Reporting Date Using</td></tr><tr style="height: 68px"><td style="width: 67px; text-align:left;border-color:#000000;min-width:67px;"> </td><td style="width: 235px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:235px;">June 30, 2013 Assets</td><td style="width: 15px; text-align:right;border-color:#000000;min-width:15px;"> </td><td style="width: 106px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:106px;">Quoted Prices in Active Markets for Identical Assets (Level 1)</td><td style="width: 14px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:14px;"> </td><td style="width: 108px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:108px;">Significant Other Observable Inputs (Level 2)</td><td style="width: 14px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:14px;"> </td><td style="width: 110px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:110px;">Significant Unobservable Inputs (Level 3)</td></tr><tr style="height: 34px"><td style="width: 67px; text-align:left;border-color:#000000;min-width:67px;"> </td><td style="width: 235px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:235px;">Deferred compensation plan assets (mutual funds)</td><td style="width: 15px; text-align:right;border-color:#000000;min-width:15px;">$</td><td style="width: 106px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:106px;"> 1,945</td><td style="width: 14px; text-align:right;border-color:#000000;min-width:14px;"> </td><td style="width: 108px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:108px;"> -</td><td style="width: 14px; text-align:right;border-color:#000000;min-width:14px;"> </td><td style="width: 110px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:110px;"> -</td></tr><tr style="height: 17px"><td style="width: 67px; text-align:left;border-color:#000000;min-width:67px;"> </td><td style="width: 235px; text-align:left;border-color:#000000;min-width:235px;">Total assets at fair value</td><td style="width: 15px; text-align:right;border-color:#000000;min-width:15px;">$</td><td style="width: 106px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:106px;"> 1,945</td><td style="width: 14px; text-align:right;border-color:#000000;min-width:14px;"> </td><td style="width: 108px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:108px;"> -</td><td style="width: 14px; text-align:right;border-color:#000000;min-width:14px;"> </td><td style="width: 110px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:110px;"> -</td></tr><tr style="height: 17px"><td style="width: 67px; text-align:left;border-color:#000000;min-width:67px;"> </td><td style="width: 235px; text-align:left;border-color:#000000;min-width:235px;"> </td><td style="width: 15px; text-align:right;border-color:#000000;min-width:15px;"> </td><td style="width: 106px; border-top-style:double;border-top-width:3px;text-align:right;border-color:#000000;min-width:106px;"> </td><td style="width: 14px; text-align:right;border-color:#000000;min-width:14px;"> </td><td style="width: 108px; border-top-style:double;border-top-width:3px;text-align:right;border-color:#000000;min-width:108px;"> </td><td style="width: 14px; text-align:right;border-color:#000000;min-width:14px;"> </td><td style="width: 110px; border-top-style:double;border-top-width:3px;text-align:right;border-color:#000000;min-width:110px;"> </td></tr><tr style="height: 17px"><td style="width: 67px; text-align:left;border-color:#000000;min-width:67px;"> </td><td style="width: 235px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:235px;">December 31, 2012 Assets</td><td style="width: 15px; text-align:right;border-color:#000000;min-width:15px;"> </td><td style="width: 106px; text-align:right;border-color:#000000;min-width:106px;"> </td><td style="width: 14px; text-align:right;border-color:#000000;min-width:14px;"> </td><td style="width: 108px; text-align:right;border-color:#000000;min-width:108px;"> </td><td style="width: 14px; text-align:right;border-color:#000000;min-width:14px;"> </td><td style="width: 110px; text-align:right;border-color:#000000;min-width:110px;"> </td></tr><tr style="height: 34px"><td style="width: 67px; text-align:left;border-color:#000000;min-width:67px;"> </td><td style="width: 235px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:235px;">Deferred compensation plan assets (mutual funds)</td><td style="width: 15px; text-align:right;border-color:#000000;min-width:15px;">$</td><td style="width: 106px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:106px;"> 1,758</td><td style="width: 14px; text-align:right;border-color:#000000;min-width:14px;"> </td><td style="width: 108px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:108px;"> -</td><td style="width: 14px; text-align:right;border-color:#000000;min-width:14px;"> </td><td style="width: 110px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:110px;"> -</td></tr><tr style="height: 17px"><td style="width: 67px; text-align:left;border-color:#000000;min-width:67px;"> </td><td style="width: 235px; text-align:left;border-color:#000000;min-width:235px;">Total assets at fair value</td><td style="width: 15px; text-align:right;border-color:#000000;min-width:15px;">$</td><td style="width: 106px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:106px;"> 1,758</td><td style="width: 14px; text-align:right;border-color:#000000;min-width:14px;"> </td><td style="width: 108px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:108px;"> -</td><td style="width: 14px; text-align:right;border-color:#000000;min-width:14px;"> </td><td style="width: 110px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:110px;"> -</td></tr></table></div>falsefalsefalsenonnum:textBlockItemTypenaThis element represents the disclosure related to assets and liabilities by class, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring and/or nonrecurring basis in periods after initial recognition (for example, impaired assets). The disclosures that may be required or desired include: (a) the fair value measurements recorded during the period and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset.No definition available.false0Fair Value Assets And Liabilities Measured On Recurring Basis [Table Text Block]falseFinancial Instruments (Tables)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.gci.net/role/FinancialInstrumentsTables13