{"cik":1388658,"taxonomy":"us-gaap","tag":"EarningsPerShareBasicAndDiluted","label":"Earnings Per Share, Basic and Diluted","description":"The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","entityName":"iRhythm Holdings, Inc.","units":{"USD/shares":[{"start":"2014-01-01","end":"2014-12-31","val":-12.05,"accn":"0001564590-17-005767","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":-3.31,"accn":"0001564590-17-005767","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q1"},{"start":"2015-04-01","end":"2015-06-30","val":-3.66,"accn":"0001564590-17-005767","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":-11.07,"accn":"0001564590-16-029827","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-12-05"},{"start":"2015-07-01","end":"2015-09-30","val":-4.07,"accn":"0001564590-16-029827","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-12-05"},{"start":"2015-07-01","end":"2015-09-30","val":-4.07,"accn":"0001564590-17-005767","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":-16.57,"accn":"0001564590-17-005767","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"start":"2015-01-01","end":"2015-12-31","val":-16.57,"accn":"0001564590-18-004080","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2015"},{"start":"2015-10-01","end":"2015-12-31","val":-5.46,"accn":"0001564590-17-005767","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31","frame":"CY2015Q4"},{"start":"2016-01-01","end":"2016-03-31","val":-4.34,"accn":"0001564590-17-005767","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"start":"2016-01-01","end":"2016-03-31","val":-4.34,"accn":"0001564590-17-010783","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":-4.34,"accn":"0001564590-18-004080","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-7.42,"accn":"0001564590-17-015766","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-07"},{"start":"2016-04-01","end":"2016-06-30","val":-3.12,"accn":"0001564590-17-005767","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"start":"2016-04-01","end":"2016-06-30","val":-3.09,"accn":"0001564590-17-015766","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-07"},{"start":"2016-04-01","end":"2016-06-30","val":-3.12,"accn":"0001564590-18-004080","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-10.2,"accn":"0001564590-16-029827","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-12-05"},{"start":"2016-01-01","end":"2016-09-30","val":-10.2,"accn":"0001564590-17-023798","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":-2.8,"accn":"0001564590-16-029827","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-12-05"},{"start":"2016-07-01","end":"2016-09-30","val":-2.8,"accn":"0001564590-17-005767","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"start":"2016-07-01","end":"2016-09-30","val":-2.8,"accn":"0001564590-17-023798","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":-2.8,"accn":"0001564590-18-004080","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-3.95,"accn":"0001564590-17-005767","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"start":"2016-01-01","end":"2016-12-31","val":-3.95,"accn":"0001564590-18-004080","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2016-01-01","end":"2016-12-31","val":-3.95,"accn":"0001564590-19-005924","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-04","frame":"CY2016"},{"start":"2016-10-01","end":"2016-12-31","val":-0.37,"accn":"0001564590-17-005767","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"start":"2016-10-01","end":"2016-12-31","val":-0.37,"accn":"0001564590-18-004080","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01","frame":"CY2016Q4"},{"start":"2017-01-01","end":"2017-03-31","val":-0.24,"accn":"0001564590-17-010783","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-12"},{"start":"2017-01-01","end":"2017-03-31","val":-0.24,"accn":"0001564590-18-004080","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-03-31","val":-0.24,"accn":"0001564590-18-012636","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2017-01-01","end":"2017-03-31","val":-0.24,"accn":"0001564590-19-005924","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-0.53,"accn":"0001564590-17-015766","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-07"},{"start":"2017-01-01","end":"2017-06-30","val":-0.53,"accn":"0001564590-18-019164","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-03"},{"start":"2017-04-01","end":"2017-06-30","val":-0.29,"accn":"0001564590-17-015766","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-07"},{"start":"2017-04-01","end":"2017-06-30","val":-0.29,"accn":"0001564590-18-004080","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-04-01","end":"2017-06-30","val":-0.29,"accn":"0001564590-18-019164","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-03"},{"start":"2017-04-01","end":"2017-06-30","val":-0.29,"accn":"0001564590-19-005924","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-04","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-0.81,"accn":"0001564590-17-023798","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2017-01-01","end":"2017-09-30","val":-0.81,"accn":"0001564590-18-025650","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-30"},{"start":"2017-07-01","end":"2017-09-30","val":-0.29,"accn":"0001564590-17-023798","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2017-07-01","end":"2017-09-30","val":-0.29,"accn":"0001564590-18-004080","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-07-01","end":"2017-09-30","val":-0.29,"accn":"0001564590-18-025650","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-30"},{"start":"2017-07-01","end":"2017-09-30","val":-0.29,"accn":"0001564590-19-005924","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-04","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-1.3,"accn":"0001564590-18-004080","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-01-01","end":"2017-12-31","val":-1.3,"accn":"0001564590-19-005924","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-04"},{"start":"2017-01-01","end":"2017-12-31","val":-1.31,"accn":"0001388658-19-000020","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-12-23"},{"start":"2017-01-01","end":"2017-12-31","val":-1.31,"accn":"0001388658-20-000034","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-31","val":-0.48,"accn":"0001564590-18-004080","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-01"},{"start":"2017-10-01","end":"2017-12-31","val":-0.48,"accn":"0001564590-19-005924","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-04","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":-0.47,"accn":"0001564590-18-012636","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":-0.47,"accn":"0001564590-19-005924","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-04"},{"start":"2018-01-01","end":"2018-03-31","val":-0.47,"accn":"0001564590-19-018524","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2018-01-01","end":"2018-03-31","val":-0.47,"accn":"0001388658-20-000034","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-0.99,"accn":"0001564590-18-019164","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-03"},{"start":"2018-01-01","end":"2018-06-30","val":-0.99,"accn":"0001564590-19-028872","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-06"},{"start":"2018-01-01","end":"2018-06-30","val":-1.03,"accn":"0001388658-19-000020","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-12-23"},{"start":"2018-04-01","end":"2018-06-30","val":-0.51,"accn":"0001564590-18-019164","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-03"},{"start":"2018-04-01","end":"2018-06-30","val":-0.51,"accn":"0001564590-19-005924","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-04"},{"start":"2018-04-01","end":"2018-06-30","val":-0.51,"accn":"0001564590-19-028872","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-06"},{"start":"2018-04-01","end":"2018-06-30","val":-0.56,"accn":"0001388658-19-000020","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-12-23"},{"start":"2018-04-01","end":"2018-06-30","val":-0.56,"accn":"0001388658-20-000034","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-1.41,"accn":"0001564590-18-025650","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-30"},{"start":"2018-01-01","end":"2018-09-30","val":-1.44,"accn":"0001388658-19-000020","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-12-23"},{"start":"2018-07-01","end":"2018-09-30","val":-0.43,"accn":"0001564590-18-025650","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-30"},{"start":"2018-07-01","end":"2018-09-30","val":-0.43,"accn":"0001564590-19-005924","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-04"},{"start":"2018-07-01","end":"2018-09-30","val":-0.4,"accn":"0001388658-19-000020","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-12-23"},{"start":"2018-07-01","end":"2018-09-30","val":-0.4,"accn":"0001388658-20-000034","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-2.02,"accn":"0001564590-19-005924","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-04"},{"start":"2018-01-01","end":"2018-12-31","val":-2.11,"accn":"0001388658-19-000020","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-12-23"},{"start":"2018-01-01","end":"2018-12-31","val":-2.11,"accn":"0001388658-20-000034","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2018-01-01","end":"2018-12-31","val":-2.11,"accn":"0001388658-21-000039","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-26","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":-0.61,"accn":"0001564590-19-005924","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-04"},{"start":"2018-10-01","end":"2018-12-31","val":-0.67,"accn":"0001388658-20-000034","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":-0.33,"accn":"0001564590-19-018524","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":-0.34,"accn":"0001388658-19-000020","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-12-23"},{"start":"2019-01-01","end":"2019-03-31","val":-0.34,"accn":"0001388658-20-000034","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-03-31","val":-0.34,"accn":"0001388658-20-000082","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-08"},{"start":"2019-01-01","end":"2019-03-31","val":-0.34,"accn":"0001388658-21-000039","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-26","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-0.79,"accn":"0001564590-19-028872","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-06"},{"start":"2019-01-01","end":"2019-06-30","val":-0.77,"accn":"0001388658-19-000020","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-12-23"},{"start":"2019-01-01","end":"2019-06-30","val":-0.77,"accn":"0001388658-20-000175","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-07"},{"start":"2019-04-01","end":"2019-06-30","val":-0.46,"accn":"0001564590-19-028872","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-0.43,"accn":"0001388658-19-000020","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-12-23"},{"start":"2019-04-01","end":"2019-06-30","val":-0.43,"accn":"0001388658-20-000034","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-04-01","end":"2019-06-30","val":-0.43,"accn":"0001388658-20-000175","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-07"},{"start":"2019-04-01","end":"2019-06-30","val":-0.43,"accn":"0001388658-21-000039","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-26","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-1.5,"accn":"0001388658-19-000020","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-12-23"},{"start":"2019-01-01","end":"2019-09-30","val":-1.5,"accn":"0001388658-20-000266","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-06"},{"start":"2019-07-01","end":"2019-09-30","val":-0.72,"accn":"0001388658-19-000020","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-12-23"},{"start":"2019-07-01","end":"2019-09-30","val":-0.72,"accn":"0001388658-20-000034","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-07-01","end":"2019-09-30","val":-0.72,"accn":"0001388658-20-000266","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-06"},{"start":"2019-07-01","end":"2019-09-30","val":-0.72,"accn":"0001388658-21-000039","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-26","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-2.16,"accn":"0001388658-20-000034","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-01-01","end":"2019-12-31","val":-2.16,"accn":"0001388658-21-000039","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-26","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":-0.65,"accn":"0001388658-20-000034","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-02"},{"start":"2019-10-01","end":"2019-12-31","val":-0.65,"accn":"0001388658-21-000039","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-26","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":-0.34,"accn":"0001388658-20-000082","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-08"},{"start":"2020-01-01","end":"2020-03-31","val":-0.34,"accn":"0001388658-21-000039","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-26"},{"start":"2020-01-01","end":"2020-03-31","val":-0.34,"accn":"0001388658-21-000070","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-10","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-1.09,"accn":"0001388658-20-000175","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-07"},{"start":"2020-04-01","end":"2020-06-30","val":-0.75,"accn":"0001388658-20-000175","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-07"},{"start":"2020-04-01","end":"2020-06-30","val":-0.75,"accn":"0001388658-21-000039","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-26","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-1.25,"accn":"0001388658-20-000266","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-06"},{"start":"2020-07-01","end":"2020-09-30","val":-0.17,"accn":"0001388658-20-000266","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-06"},{"start":"2020-07-01","end":"2020-09-30","val":-0.17,"accn":"0001388658-21-000039","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-26","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-1.58,"accn":"0001388658-21-000039","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-26","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":-0.33,"accn":"0001388658-21-000039","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-26","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":-0.95,"accn":"0001388658-21-000070","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-10","frame":"CY2021Q1"}]}}