    <SEC-DOCUMENT>0001564590-21-019405-index.html : 20210419
    <SEC-HEADER>0001564590-21-019405.hdr.sgml : 20210419
    <ACCEPTANCE-DATETIME>20210419160554
    ACCESSION NUMBER:		0001564590-21-019405
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		33
    CONFORMED PERIOD OF REPORT:	20210419
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Completion of Acquisition or Disposition of Assets
    ITEM INFORMATION:		Material Modifications to Rights of Security Holders
    ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20210419
    DATE AS OF CHANGE:		20210419

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			GULF ISLAND FABRICATION INC
    		CENTRAL INDEX KEY:			0001031623
    		STANDARD INDUSTRIAL CLASSIFICATION:	FABRICATED STRUCTURAL METAL PRODUCTS [3440]
    		IRS NUMBER:				721147390
    		STATE OF INCORPORATION:			LA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-34279
    		FILM NUMBER:		21834625

    	BUSINESS ADDRESS:
    		STREET 1:		16225 PARK TEN PLACE, SUITE 280
    		CITY:			HOUSTON
    		STATE:			TX
    		ZIP:			77084
    		BUSINESS PHONE:		7137146100

    	MAIL ADDRESS:
    		STREET 1:		16225 PARK TEN PLACE, SUITE 280
    		CITY:			HOUSTON
    		STATE:			TX
    		ZIP:			77084
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>gifi-8k_20210419.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: gifi-8k_20210419.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-2.1
    <SEQUENCE>2
    <FILENAME>gifi-ex21_108.htm
    <DESCRIPTION>EX-2.1_ASSET_PURCHASE_AGREEMENT
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    Document 2 - file: gifi-ex21_108.htm

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    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>3
    <FILENAME>gifi-ex101_21.htm
    <DESCRIPTION>EX-10.1
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    Document 3 - file: gifi-ex101_21.htm

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    <SEQUENCE>4
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    Document 4 - file: gifi-ex102_109.htm

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    <SEQUENCE>5
    <FILENAME>gifi-ex103_39.htm
    <DESCRIPTION>EX-10.3 MORTGAGE
    <TEXT>
    Document 5 - file: gifi-ex103_39.htm

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    <SEQUENCE>6
    <FILENAME>gifi-ex991_10.htm
    <DESCRIPTION>EX-99.1
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    Document 6 - file: gifi-ex991_10.htm

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    <SEQUENCE>7
    <FILENAME>gifi-ex992_11.htm
    <DESCRIPTION>EX-99.2
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    Document 7 - file: gifi-ex992_11.htm

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    Document 20 - file: gf5cyglj1o1g000014.jpg

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    Document 22 - file: gfnenpfuj4d3000001.jpg

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    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>23
    <FILENAME>gifi-20210419.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
    <TEXT>
    Document 23 - file: gifi-20210419.xsd

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    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>24
    <FILENAME>gifi-20210419_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
    <TEXT>
    Document 24 - file: gifi-20210419_lab.xml

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    <DOCUMENT>
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    <SEQUENCE>25
    <FILENAME>gifi-20210419_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
    <TEXT>
    Document 25 - file: gifi-20210419_pre.xml

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    <TYPE>XML
    <SEQUENCE>26
    <FILENAME>gifi-8k_20210419_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
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    Document 26 - file: gifi-8k_20210419_htm.html

    Document 26 - RAW XML: gifi-8k_20210419_htm.xml

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    <TYPE>XML
    <SEQUENCE>27
    <FILENAME>R1.htm
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    <TEXT>
    Document 27 - file: R1.htm

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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>28
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 28 - file: Financial_Report.xlsx

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    <TYPE>XML
    <SEQUENCE>29
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 29 - file: Show.js

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>30
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 30 - file: report.css

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>31
    <FILENAME>FilingSummary.xml
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    <TEXT>
    Document 31 - file: FilingSummary.html

    Document 31 - RAW XML: FilingSummary.xml

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    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>33
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    Document 33 - file: MetaLinks.json

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    <TYPE>ZIP
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