    <SEC-DOCUMENT>0001691303-20-000012-index.html : 20200219
    <SEC-HEADER>0001691303-20-000012.hdr.sgml : 20200219
    <ACCEPTANCE-DATETIME>20200219160812
    ACCESSION NUMBER:		0001691303-20-000012
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		44
    CONFORMED PERIOD OF REPORT:	20200219
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20200219
    DATE AS OF CHANGE:		20200219

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			WARRIOR MET COAL, INC.
    		CENTRAL INDEX KEY:			0001691303
    		STANDARD INDUSTRIAL CLASSIFICATION:	BITUMINOUS COAL & LIGNITE MINING [1220]
    		IRS NUMBER:				810706839
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-38061
    		FILM NUMBER:		20629695

    	BUSINESS ADDRESS:
    		STREET 1:		16243 HIGHWAY 216
    		CITY:			BROOKWOOD
    		STATE:			AL
    		ZIP:			35444
    		BUSINESS PHONE:		2055546150

    	MAIL ADDRESS:
    		STREET 1:		16243 HIGHWAY 216
    		CITY:			BROOKWOOD
    		STATE:			AL
    		ZIP:			35444

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	WARRIOR MET COAL, LLC
    		DATE OF NAME CHANGE:	20161201
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>form8-k21920.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: form8-k21920.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>exhibit-99121920.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: exhibit-99121920.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>exhibit992.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: exhibit992.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>hcc-20200219.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 4 - file: hcc-20200219.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.CAL
    <SEQUENCE>5
    <FILENAME>hcc-20200219_cal.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: hcc-20200219_cal.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>6
    <FILENAME>hcc-20200219_def.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
    <TEXT>
    Document 6 - file: hcc-20200219_def.xml

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    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>7
    <FILENAME>hcc-20200219_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 7 - file: hcc-20200219_lab.xml

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    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>8
    <FILENAME>hcc-20200219_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 8 - file: hcc-20200219_pre.xml

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>exhibit992001.jpg
    <TEXT>
    Document 9 - file: exhibit992001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>exhibit992002.jpg
    <TEXT>
    Document 10 - file: exhibit992002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>exhibit992003.jpg
    <TEXT>
    Document 11 - file: exhibit992003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>exhibit992004.jpg
    <TEXT>
    Document 12 - file: exhibit992004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>exhibit992005.jpg
    <TEXT>
    Document 13 - file: exhibit992005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>exhibit992006.jpg
    <TEXT>
    Document 14 - file: exhibit992006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>exhibit992007.jpg
    <TEXT>
    Document 15 - file: exhibit992007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>exhibit992008.jpg
    <TEXT>
    Document 16 - file: exhibit992008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>exhibit992009.jpg
    <TEXT>
    Document 17 - file: exhibit992009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>exhibit992010.jpg
    <TEXT>
    Document 18 - file: exhibit992010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>exhibit992011.jpg
    <TEXT>
    Document 19 - file: exhibit992011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>exhibit992012.jpg
    <TEXT>
    Document 20 - file: exhibit992012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>exhibit992013.jpg
    <TEXT>
    Document 21 - file: exhibit992013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>exhibit992014.jpg
    <TEXT>
    Document 22 - file: exhibit992014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>exhibit992015.jpg
    <TEXT>
    Document 23 - file: exhibit992015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>exhibit992016.jpg
    <TEXT>
    Document 24 - file: exhibit992016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>exhibit992017.jpg
    <TEXT>
    Document 25 - file: exhibit992017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>exhibit992018.jpg
    <TEXT>
    Document 26 - file: exhibit992018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>exhibit992019.jpg
    <TEXT>
    Document 27 - file: exhibit992019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>exhibit992020.jpg
    <TEXT>
    Document 28 - file: exhibit992020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>exhibit992021.jpg
    <TEXT>
    Document 29 - file: exhibit992021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>exhibit992022.jpg
    <TEXT>
    Document 30 - file: exhibit992022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>exhibit992023.jpg
    <TEXT>
    Document 31 - file: exhibit992023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>exhibit992024.jpg
    <TEXT>
    Document 32 - file: exhibit992024.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>exhibit992025.jpg
    <TEXT>
    Document 33 - file: exhibit992025.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>exhibit992026.jpg
    <TEXT>
    Document 34 - file: exhibit992026.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>exhibit992027.jpg
    <TEXT>
    Document 35 - file: exhibit992027.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>warriormetcoallogoa46.jpg
    <TEXT>
    Document 36 - file: warriormetcoallogoa46.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>37
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 37 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>38
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 38 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>39
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 39 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>41
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 41 - file: Show.js

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    <TYPE>ZIP
    <SEQUENCE>42
    <FILENAME>0001691303-20-000012-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 42 - file: 0001691303-20-000012-xbrl.zip

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>44
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 44 - file: FilingSummary.html

    Document 44 - RAW XML: FilingSummary.xml

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    <TYPE>JSON
    <SEQUENCE>45
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 45 - file: MetaLinks.json

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>46
    <FILENAME>form8-k21920_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 46 - file: form8-k21920_htm.html

    Document 46 - RAW XML: form8-k21920_htm.xml

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