Gulf Island Fabrication, Inc. Annual report pursuant to Section 13 and 15(d)

Income Taxes - Components of Income Tax Expense (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current:
Federal	$ (105)us-gaap_CurrentFederalTaxExpenseBenefit
State	459	254	534
Total current	354us-gaap_CurrentIncomeTaxExpenseBenefit	254us-gaap_CurrentIncomeTaxExpenseBenefit	534us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred:
Federal	8,120	4,049	(1,749)
State	30		(99)
Total deferred	8,150us-gaap_DeferredIncomeTaxExpenseBenefit	4,049us-gaap_DeferredIncomeTaxExpenseBenefit	(1,848)us-gaap_DeferredIncomeTaxExpenseBenefit
Income tax expense	$ 8,504us-gaap_IncomeTaxExpenseBenefit	$ 4,303us-gaap_IncomeTaxExpenseBenefit	$ (1,314)us-gaap_IncomeTaxExpenseBenefit

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.