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Note 8 - Income Taxes (Details) - Significant Components of Deferred Tax Liabilities and Assets (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | ---
Deferred tax liabilities: |  |
Net book value of property and equipment | $ 20,195 us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment | $ 9,797 us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Broadcast licenses, goodwill and other intangibles | 341,654 us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets | 285,553 us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets
Total deferred tax liabilities | 361,849 us-gaap_DeferredIncomeTaxLiabilities | 295,350 us-gaap_DeferredIncomeTaxLiabilities
Deferred tax assets: |  |
Liability for accrued vacation | 1,900 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences | 926 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences
Liability for accrued bonus | 3,440 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses | 2,401 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses
Loan acquisition costs | 447 gtn_DeferredTaxAssetsTaxDeferredExpenseDeferredLoanCosts | 1,664 gtn_DeferredTaxAssetsTaxDeferredExpenseDeferredLoanCosts
Allowance for doubtful accounts | 572 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts | 284 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts
Liability under health and welfare plan | 1,111 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits | 936 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits
Liability for pension plan | 16,900 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits | 10,501 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits
Federal operating loss carryforwards | 55,425 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic | 78,597 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic
State and local operating loss carryforwards | 7,102 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal | 9,922 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
Alternative minimum tax carryforwards | 386 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax | 386 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax
Unearned income | 214 us-gaap_DeferredTaxAssetsDeferredIncome | 396 us-gaap_DeferredTaxAssetsDeferredIncome
Network compensation |  | 174 gtn_DeferredTaxAssetsNetworkCompensation
Stock options | 119 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost | 76 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
Acquisition costs | 776 us-gaap_DeferredTaxAssetsTaxDeferredExpenseOther | 300 us-gaap_DeferredTaxAssetsTaxDeferredExpenseOther
Restricted stock | 1,479 gtn_DeferredTaxAssetsRestrictedStock | 192 gtn_DeferredTaxAssetsRestrictedStock
Other | 206 us-gaap_DeferredTaxAssetsOther | 49 us-gaap_DeferredTaxAssetsOther
Total deferred tax assets | 90,077 us-gaap_DeferredTaxAssetsGross | 106,804 us-gaap_DeferredTaxAssetsGross
Valuation allowance for deferred tax assets | (2,052)us-gaap_DeferredTaxAssetsValuationAllowance | (2,748)us-gaap_DeferredTaxAssetsValuationAllowance
Net deferred tax assets | 88,025 us-gaap_DeferredTaxAssetsNet | 104,056 us-gaap_DeferredTaxAssetsNet
Deferred tax liabilities, net of deferred tax assets | $ 273,824 us-gaap_DeferredTaxAssetsLiabilitiesNet | $ 191,294 us-gaap_DeferredTaxAssetsLiabilitiesNet

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensated absences (includes, but not limited to, sick and personal days). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from employee benefit costs not otherwise specified in the taxonomy, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee bonuses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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