3.4.0.3 html 104 215 1 false 44 0 false 5 false false R1.htm 0001000 - Document - Document and Entity Information Sheet http://www.gci.net/role/DocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 1001000 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://www.gci.net/role/ConsolidatedBalanceSheets CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 1001501 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.gci.net/role/ConsolidatedBalanceSheetsParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 1002000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.gci.net/role/ConsolidatedStatementsOfOperations CONSOLIDATED STATEMENTS OF OPERATIONS Statements 4 false false R5.htm 1003000 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Sheet http://www.gci.net/role/ConsolidatedStatementsOfStockholdersEquity CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Statements 5 false false R6.htm 1004000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.gci.net/role/ConsolidatedStatementsOfCashFlows CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 6 false false R7.htm 2102100 - Disclosure - Business and Summary of Significant Accounting Principles Sheet http://www.gci.net/role/BusinessAndSummaryOfSignificantAccountingPrinciples Business and Summary of Significant Accounting Principles Notes 7 false false R8.htm 2105100 - Disclosure - Consolidated Statements of Cash Flows Supplemental Disclosures Sheet http://www.gci.net/role/ConsolidatedStatementsOfCashFlowsSupplementalDisclosures Consolidated Statements of Cash Flows Supplemental Disclosures Notes 8 false false R9.htm 2106100 - Disclosure - Intangible Assets and Goodwill Sheet http://www.gci.net/role/IntangibleAssetsAndGoodwill Intangible Assets and Goodwill Notes 9 false false R10.htm 2108100 - Disclosure - Fair Value Measurements Sheet http://www.gci.net/role/FairValueMeasurements Fair Value Measurements Notes 10 false false R11.htm 2109100 - Disclosure - Stockholder's Equity Sheet http://www.gci.net/role/StockholdersEquity Stockholder's Equity Notes 11 false false R12.htm 2111100 - Disclosure - Segments Sheet http://www.gci.net/role/Segments Segments Notes 12 false false R13.htm 2113100 - Disclosure - Related Party Transaction Sheet http://www.gci.net/role/RelatedPartyTransaction Related Party Transaction Notes 13 false false R14.htm 2114100 - Disclosure - Variable Interest Entities Sheet http://www.gci.net/role/VariableInterestEntities Variable Interest Entities Notes 14 false false R15.htm 2115100 - Disclosure - Software Impairment Sheet http://www.gci.net/role/SoftwareImpairment Software Impairment Notes 15 false false R16.htm 2116100 - Disclosure - Subsequent Events Sheet http://www.gci.net/role/SubsequentEvents Subsequent Events Notes 16 false false R17.htm 2202201 - Disclosure - Business and Summary of Significant Accounting Principles (Policies) Sheet http://www.gci.net/role/BusinessAndSummaryOfSignificantAccountingPrinciplesPolicies Business and Summary of Significant Accounting Principles (Policies) Policies http://www.gci.net/role/BusinessAndSummaryOfSignificantAccountingPrinciples 17 false false R18.htm 2302302 - Disclosure - Business and Summary of Significant Accounting Principles (Tables) Sheet http://www.gci.net/role/BusinessAndSummaryOfSignificantAccountingPrinciplesTables Business and Summary of Significant Accounting Principles (Tables) Tables http://www.gci.net/role/BusinessAndSummaryOfSignificantAccountingPrinciples 18 false false R19.htm 2305301 - Disclosure - Consolidated Statements of Cash Flows Supplemental Disclosures (Tables) Sheet http://www.gci.net/role/ConsolidatedStatementsOfCashFlowsSupplementalDisclosuresTables Consolidated Statements of Cash Flows Supplemental Disclosures (Tables) Tables http://www.gci.net/role/ConsolidatedStatementsOfCashFlowsSupplementalDisclosures 19 false false R20.htm 2306301 - Disclosure - Intangible Assets and Goodwill (Tables) Sheet http://www.gci.net/role/IntangibleAssetsAndGoodwillTables Intangible Assets and Goodwill (Tables) Tables http://www.gci.net/role/IntangibleAssetsAndGoodwill 20 false false R21.htm 2308301 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.gci.net/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.gci.net/role/FairValueMeasurements 21 false false R22.htm 2309301 - Disclosure - Stockholder's Equity (Tables) Sheet http://www.gci.net/role/StockholdersEquityTables Stockholder's Equity (Tables) Tables http://www.gci.net/role/StockholdersEquity 22 false false R23.htm 2311301 - Disclosure - Segments (Tables) Sheet http://www.gci.net/role/SegmentsTables Segments (Tables) Tables http://www.gci.net/role/Segments 23 false false R24.htm 2402403 - Disclosure - Business and Summary of Significant Accounting Principles (Narratives) (Details) Sheet http://www.gci.net/role/BusinessAndSummaryOfSignificantAccountingPrinciplesNarrativesDetails Business and Summary of Significant Accounting Principles (Narratives) (Details) Details http://www.gci.net/role/BusinessAndSummaryOfSignificantAccountingPrinciplesTables 24 false false R25.htm 2402404 - Disclosure - Business and Summary of Significant Accounting Principles (Business Acquisition) (Details) Sheet http://www.gci.net/role/BusinessAndSummaryOfSignificantAccountingPrinciplesBusinessAcquisitionDetails Business and Summary of Significant Accounting Principles (Business Acquisition) (Details) Details http://www.gci.net/role/BusinessAndSummaryOfSignificantAccountingPrinciplesTables 25 false false R26.htm 2402405 - Disclosure - Business and Summary of Significant Accounting Principles Business and Summary of Significant Accounting Principles (Revenue Recognition) (Details) Sheet http://www.gci.net/role/BusinessAndSummaryOfSignificantAccountingPrinciplesBusinessAndSummaryOfSignificantAccountingPrinciplesRevenueRecognitionDetails Business and Summary of Significant Accounting Principles Business and Summary of Significant Accounting Principles (Revenue Recognition) (Details) Details 26 false false R27.htm 2402406 - Disclosure - Business and Summary of Significant Accounting Principles (Surcharges reported gross) (Details) Sheet http://www.gci.net/role/BusinessAndSummaryOfSignificantAccountingPrinciplesSurchargesReportedGrossDetails Business and Summary of Significant Accounting Principles (Surcharges reported gross) (Details) Details http://www.gci.net/role/BusinessAndSummaryOfSignificantAccountingPrinciplesTables 27 false false R28.htm 2405402 - Disclosure - Consolidated Statements of Cash Flows Supplemental Disclosures (Changes in operating assets and liabilities) (Details) Sheet http://www.gci.net/role/ConsolidatedStatementsOfCashFlowsSupplementalDisclosuresChangesInOperatingAssetsAndLiabilitiesDetails Consolidated Statements of Cash Flows Supplemental Disclosures (Changes in operating assets and liabilities) (Details) Details http://www.gci.net/role/ConsolidatedStatementsOfCashFlowsSupplementalDisclosuresTables 28 false false R29.htm 2405403 - Disclosure - Consolidated Statements of Cash Flows Supplemental Disclosures (Net cash paid or received) (Details) Sheet http://www.gci.net/role/ConsolidatedStatementsOfCashFlowsSupplementalDisclosuresNetCashPaidOrReceivedDetails Consolidated Statements of Cash Flows Supplemental Disclosures (Net cash paid or received) (Details) Details http://www.gci.net/role/ConsolidatedStatementsOfCashFlowsSupplementalDisclosuresTables 29 false false R30.htm 2405404 - Disclosure - Consolidated Statements of Cash Flows Supplemental Disclosures (Non-cash investing and financing activities) (Details) Sheet http://www.gci.net/role/ConsolidatedStatementsOfCashFlowsSupplementalDisclosuresNonCashInvestingAndFinancingActivitiesDetails Consolidated Statements of Cash Flows Supplemental Disclosures (Non-cash investing and financing activities) (Details) Details http://www.gci.net/role/ConsolidatedStatementsOfCashFlowsSupplementalDisclosuresTables 30 false false R31.htm 2406402 - Disclosure - Intangible Assets (Amortization expense) (Details) Sheet http://www.gci.net/role/IntangibleAssetsAmortizationExpenseDetails Intangible Assets (Amortization expense) (Details) Details http://www.gci.net/role/IntangibleAssetsAndGoodwillTables 31 false false R32.htm 2406403 - Disclosure - Intangible Assets (5 year Future Amortization ) (Details) Sheet http://www.gci.net/role/IntangibleAssets5YearFutureAmortizationDetails Intangible Assets (5 year Future Amortization ) (Details) Details http://www.gci.net/role/IntangibleAssetsAndGoodwillTables 32 false false R33.htm 2408402 - Disclosure - Fair Value Measurements (Assets measured at fair value on a recurring basics) (Details) Sheet http://www.gci.net/role/FairValueMeasurementsAssetsMeasuredAtFairValueOnRecurringBasicsDetails Fair Value Measurements (Assets measured at fair value on a recurring basics) (Details) Details http://www.gci.net/role/FairValueMeasurementsTables 33 false false R34.htm 2408403 - Disclosure - Fair Value Measurements (Carrying amounts and fair value of the financial instruments) (Details) Sheet http://www.gci.net/role/FairValueMeasurementsCarryingAmountsAndFairValueOfFinancialInstrumentsDetails Fair Value Measurements (Carrying amounts and fair value of the financial instruments) (Details) Details http://www.gci.net/role/FairValueMeasurementsTables 34 false false R35.htm 2409402 - Disclosure - Stockholder's Equity (Narratives) (Details) Sheet http://www.gci.net/role/StockholdersEquityNarrativesDetails Stockholder's Equity (Narratives) (Details) Details http://www.gci.net/role/StockholdersEquityTables 35 false false R36.htm 2409403 - Disclosure - Stockholder's Equity (Summary of nonvested restricted stock award activity) (Details) Sheet http://www.gci.net/role/StockholdersEquitySummaryOfNonvestedRestrictedStockAwardActivityDetails Stockholder's Equity (Summary of nonvested restricted stock award activity) (Details) Details http://www.gci.net/role/StockholdersEquityTables 36 false false R37.htm 2411402 - Disclosure - Segments (Narrative) (Details) Sheet http://www.gci.net/role/SegmentsNarrativeDetails Segments (Narrative) (Details) Details http://www.gci.net/role/SegmentsTables 37 false false R38.htm 2411403 - Disclosure - Segments (Reportable segment revenues) (Details) Sheet http://www.gci.net/role/SegmentsReportableSegmentRevenuesDetails Segments (Reportable segment revenues) (Details) Details http://www.gci.net/role/SegmentsTables 38 false false R39.htm 2411404 - Disclosure - Segments (Reconciliation of reportable segment adjusted EBITDA) (Details) Sheet http://www.gci.net/role/SegmentsReconciliationOfReportableSegmentAdjustedEbitdaDetails Segments (Reconciliation of reportable segment adjusted EBITDA) (Details) Details http://www.gci.net/role/SegmentsTables 39 false false R40.htm 2413401 - Disclosure - Related Party Transaction (Details) Sheet http://www.gci.net/role/RelatedPartyTransactionDetails Related Party Transaction (Details) Details http://www.gci.net/role/RelatedPartyTransaction 40 false false R41.htm 2414401 - Disclosure - Variable Interest Entities (Details) Sheet http://www.gci.net/role/VariableInterestEntitiesDetails Variable Interest Entities (Details) Details http://www.gci.net/role/VariableInterestEntities 41 false false R42.htm 2415401 - Disclosure - Software Impairment (Details) Sheet http://www.gci.net/role/SoftwareImpairmentDetails Software Impairment (Details) Details http://www.gci.net/role/SoftwareImpairment 42 false false R43.htm 2416402 - Disclosure - Subsequent Events (Details) Sheet http://www.gci.net/role/SubsequentEventsDetails Subsequent Events (Details) Details http://www.gci.net/role/SubsequentEvents 43 false false All Reports Book All Reports gciinc-20160331.xml gciinc-20160331.xsd gciinc-20160331_cal.xml gciinc-20160331_def.xml gciinc-20160331_lab.xml gciinc-20160331_pre.xml true true