    <SEC-DOCUMENT>0001388658-25-000219-index.html : 20251112
    <SEC-HEADER>0001388658-25-000219.hdr.sgml : 20251112
    <ACCEPTANCE-DATETIME>20251112171738
    ACCESSION NUMBER:		0001388658-25-000219
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		30
    CONFORMED PERIOD OF REPORT:	20251112
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20251112
    DATE AS OF CHANGE:		20251112

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			iRhythm Technologies, Inc.
    		CENTRAL INDEX KEY:			0001388658
    		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
    		ORGANIZATION NAME:           	08 Industrial Applications and Services
    		EIN:				208149544
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-37918
    		FILM NUMBER:		251474280

    	BUSINESS ADDRESS:
    		STREET 1:		699 8TH STREET
    		STREET 2:		SUITE 600
    		CITY:			San Francisco
    		STATE:			CA
    		ZIP:			94103
    		BUSINESS PHONE:		415-632-5700

    	MAIL ADDRESS:
    		STREET 1:		699 8TH STREET
    		STREET 2:		SUITE 600
    		CITY:			San Francisco
    		STATE:			CA
    		ZIP:			94103

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	IRhythm Technologies, Inc.
    		DATE OF NAME CHANGE:	20110429

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	IRhythm Technologies Inc
    		DATE OF NAME CHANGE:	20070201
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>irtc-20251112.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: irtc-20251112.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>irtc2025off-seasonproxyo.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: irtc2025off-seasonproxyo.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>3
    <FILENAME>irtc-20251112.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 3 - file: irtc-20251112.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>4
    <FILENAME>irtc-20251112_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 4 - file: irtc-20251112_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>5
    <FILENAME>irtc-20251112_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: irtc-20251112_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>irtc2025off-seasonproxyo001.jpg
    <TEXT>
    Document 6 - file: irtc2025off-seasonproxyo001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>irtc2025off-seasonproxyo002.jpg
    <TEXT>
    Document 7 - file: irtc2025off-seasonproxyo002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>irtc2025off-seasonproxyo003.jpg
    <TEXT>
    Document 8 - file: irtc2025off-seasonproxyo003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>irtc2025off-seasonproxyo004.jpg
    <TEXT>
    Document 9 - file: irtc2025off-seasonproxyo004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>irtc2025off-seasonproxyo005.jpg
    <TEXT>
    Document 10 - file: irtc2025off-seasonproxyo005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>irtc2025off-seasonproxyo006.jpg
    <TEXT>
    Document 11 - file: irtc2025off-seasonproxyo006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>irtc2025off-seasonproxyo007.jpg
    <TEXT>
    Document 12 - file: irtc2025off-seasonproxyo007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>irtc2025off-seasonproxyo008.jpg
    <TEXT>
    Document 13 - file: irtc2025off-seasonproxyo008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>irtc2025off-seasonproxyo009.jpg
    <TEXT>
    Document 14 - file: irtc2025off-seasonproxyo009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>irtc2025off-seasonproxyo010.jpg
    <TEXT>
    Document 15 - file: irtc2025off-seasonproxyo010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>irtc2025off-seasonproxyo011.jpg
    <TEXT>
    Document 16 - file: irtc2025off-seasonproxyo011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>irtc2025off-seasonproxyo012.jpg
    <TEXT>
    Document 17 - file: irtc2025off-seasonproxyo012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>irtc2025off-seasonproxyo013.jpg
    <TEXT>
    Document 18 - file: irtc2025off-seasonproxyo013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>irtc2025off-seasonproxyo014.jpg
    <TEXT>
    Document 19 - file: irtc2025off-seasonproxyo014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>irtc2025off-seasonproxyo015.jpg
    <TEXT>
    Document 20 - file: irtc2025off-seasonproxyo015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>irtc2025off-seasonproxyo016.jpg
    <TEXT>
    Document 21 - file: irtc2025off-seasonproxyo016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>irtc2025off-seasonproxyo017.jpg
    <TEXT>
    Document 22 - file: irtc2025off-seasonproxyo017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>24
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 24 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>25
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 25 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>26
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 26 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>28
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 28 - file: FilingSummary.html

    Document 28 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>30
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 30 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>31
    <FILENAME>0001388658-25-000219-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 31 - file: 0001388658-25-000219-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>32
    <FILENAME>irtc-20251112_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 32 - file: irtc-20251112_htm.html

    Document 32 - RAW XML: irtc-20251112_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>