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Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2014
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Dec. 31, 2013
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| Income Tax Disclosure [Abstract] | ||
| Property, plant and equipment | $ 38,070us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment | $ 38,397us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment |
| Prepaid insurance | 1,310us-gaap_DeferredTaxLiabilitiesPrepaidExpenses | |
| Total deferred tax liabilities: | 39,380us-gaap_DeferredTaxLiabilities | 38,397us-gaap_DeferredTaxLiabilities |
| Employee benefits | 951us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits | 677us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits |
| Uncompleted contracts | 391gifi_DeferredTaxAssetsLongTermContracts | 931gifi_DeferredTaxAssetsLongTermContracts |
| Stock based compensation expense | 43us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost | 65us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost |
| Allowance for uncollectible accounts | 1,261us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts | 311us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts |
| Federal net operating loss | 7,584us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | |
| Other | 359us-gaap_DeferredTaxAssetsOther | |
| Total deferred tax assets: | 2,646us-gaap_DeferredTaxAssetsGross | 9,927us-gaap_DeferredTaxAssetsGross |
| Net deferred tax liabilities: | $ 36,734us-gaap_DeferredTaxAssetsLiabilitiesNet | $ 28,470us-gaap_DeferredTaxAssetsLiabilitiesNet |
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- Definition
Deferred Tax Assets, Long term Contracts No definition available.
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses. No definition available.
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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