$IRTC
iRhythm Technologies, Inc. Stock $irtc

$irtc Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000138865823000007 Filed on February 23, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$111.4M	$112.6M	$410.9M
YoY Change	20.63%	37.67%	27.29%
Cost Of Revenue	$35.76M	$33.91M	$129.3M
YoY Change	16.77%	11.1%	18.33%
Gross Profit	$75.68M	$78.71M	$281.6M
YoY Change	22.54%	53.48%	31.87%
Gross Profit Margin	67.91%	69.89%	68.54%
Selling, General & Admin	$100.3M	$86.73M	$322.2M
YoY Change	37.16%	21.11%	17.23%
% of Gross Profit	132.59%	110.19%	114.4%
Research & Development	$14.84M	$12.68M	$46.61M
YoY Change	40.79%	6.78%	20.53%
% of Gross Profit	19.61%	16.1%	16.55%
Depreciation & Amortization	$3.600M	$3.475M	$13.40M
YoY Change	14.54%	11.95%	36.15%
% of Gross Profit	4.76%	4.42%	4.76%
Operating Expenses	$115.2M	$99.41M	$395.4M
YoY Change	4.42%	19.07%	26.13%
Operating Profit	-$39.50M	-$20.70M	-$113.8M
YoY Change	-18.63%	-35.72%	13.85%
Interest Expense	$950.0K	-$1.013M	$4.138M
YoY Change	-53.18%	308.47%	253.98%
% of Operating Profit
Other Income/Expense, Net	$1.432M	$1.586M	$2.036M
YoY Change	8850.0%	10473.33%	1625.42%
Pretax Income	-$39.02M	-$20.13M	-$115.9M
YoY Change	-22.82%	-37.95%	14.75%
Income Tax	$87.00K	$73.00K	$269.0K
% Of Pretax Income
Net Earnings	-$39.11M	-$20.20M	-$116.2M
YoY Change	-22.72%	-37.84%	14.6%
Net Earnings / Revenue	-35.1%	-17.94%	-28.27%
Basic Earnings Per Share	-$1.29		-$3.88
Diluted Earnings Per Share	-$1.29	-$0.67	-$3.88
COMMON SHARES
Basic Shares Outstanding	30.22M shares	30.11M shares	29.92M shares
Diluted Shares Outstanding	30.30M shares		29.92M shares

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$176.3M	$213.1M	$213.1M
YoY Change	-15.54%	-10.87%	-10.87%
Cash & Equivalents	$52.80M	$78.83M	$78.83M
Short-Term Investments	$123.5M	$134.3M	$134.3M
Other Short-Term Assets	$11.61M	$10.56M	$10.56M
YoY Change	17.99%	8.89%	8.89%
Inventory	$16.39M	$15.16M	$15.16M
Prepaid Expenses
Receivables	$49.56M	$49.92M	$49.92M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$253.9M	$288.8M	$288.8M
YoY Change	-11.34%	-5.48%	-5.48%
LONG-TERM ASSETS
Property, Plant & Equipment	$82.21M	$75.67M	$136.3M
YoY Change	43.88%	35.26%	-2.99%
Goodwill	$862.0K	$862.0K
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$25.44M	$22.25M	$22.25M
YoY Change	33.12%	38.62%	38.62%
Total Long-Term Assets	$167.8M	$159.5M	$159.5M
YoY Change	17.88%	1.27%	1.27%
TOTAL ASSETS
Total Short-Term Assets	$253.9M	$288.8M	$288.8M
Total Long-Term Assets	$167.8M	$159.5M	$159.5M
Total Assets	$421.7M	$448.2M	$448.2M
YoY Change	-1.64%	-3.18%	-3.18%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$9.778M	$7.517M	$7.517M
YoY Change	80.64%	-28.47%	-28.47%
Accrued Expenses	$54.61M	$65.50M	$78.53M
YoY Change	30.22%	27.21%	25.39%
Deferred Revenue	$3.486M	$3.051M
YoY Change	18.85%	0.07%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due		$0.00	$0.00
YoY Change		-100.0%	-100.0%
Total Short-Term Liabilities	$81.90M	$89.10M	$89.10M
YoY Change	32.57%	1.41%	1.41%
LONG-TERM LIABILITIES
Long-Term Debt	$34.94M	$34.94M	$34.94M
YoY Change	0.06%	260.53%	260.53%
Other Long-Term Liabilities	$1.013M	$1.307M	$84.38M
YoY Change	21.75%	87.52%	-1.78%
Total Long-Term Liabilities	$35.95M	$36.24M	$119.3M
YoY Change	0.57%	248.92%	24.81%
TOTAL LIABILITIES
Total Short-Term Liabilities	$81.90M	$89.10M	$89.10M
Total Long-Term Liabilities	$35.95M	$36.24M	$119.3M
Total Liabilities	$199.9M	$208.4M	$208.4M
YoY Change	8.7%	13.6%	13.6%
SHAREHOLDERS EQUITY
Retained Earnings	-$561.3M	-$522.2M
YoY Change	22.92%	28.61%
Common Stock	$783.2M	$762.4M
YoY Change	11.59%	11.2%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$221.8M	$239.8M	$239.8M
YoY Change
Total Liabilities & Shareholders Equity	$421.7M	$448.2M	$448.2M
YoY Change	-1.64%	-3.18%	-3.18%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	-$39.11M	-$20.20M	-$116.2M
YoY Change	-22.72%	-37.84%	14.6%
Depreciation, Depletion And Amortization	$3.600M	$3.475M	$13.40M
YoY Change	14.54%	11.95%	36.15%
Cash From Operating Activities	-$30.75M	$12.58M	-$23.01M
YoY Change	-20.91%	-196.4%	-39.05%
INVESTING ACTIVITIES
Capital Expenditures	$8.423M	$7.093M	$29.83M
YoY Change	51.17%	-253.36%	6.28%
Acquisitions
YoY Change
Other Investing Activities	$12.24M	-$1.021M	-$22.60M
YoY Change	-514.31%	-95.46%	-116.95%
Cash From Investing Activities	$3.820M	-$8.114M	-$52.43M
YoY Change	-144.8%	-70.1%	-149.81%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net	$0.00		$21.39M
YoY Change	-100.0%		83.33%
Cash From Financing Activities	$905.0K	3.148M	$26.72M
YoY Change	-93.82%	753.12%	-193.49%
NET CHANGE
Cash From Operating Activities	-$30.75M	12.58M	-$23.01M
Cash From Investing Activities	$3.820M	-8.114M	-$52.43M
Cash From Financing Activities	$905.0K	3.148M	$26.72M
Net Change In Cash	-$26.03M	7.610M	-$48.73M
YoY Change	-20.59%	-119.12%	-225.16%
FREE CASH FLOW
Cash From Operating Activities	-$30.75M	$12.58M	-$23.01M
Capital Expenditures	$8.423M	$7.093M	$29.83M
Free Cash Flow	-$39.18M	$5.483M	-$52.84M
YoY Change	-11.88%	-165.12%	-19.72%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001388658
CY2019	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2022#AccountingStandardsUpdate201613Member
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	001-37918
CY2022	dei	Entity Registrant Name EntityRegistrantName	iRhythm Technologies, Inc.
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	20-8149544
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	699 8th Street
CY2022	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 600
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	San Francisco
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	94103
CY2022	dei	City Area Code CityAreaCode	415
CY2022	dei	Local Phone Number LocalPhoneNumber	632-5700
CY2022	dei	Security12b Title Security12bTitle	Common Stock, Par Value $.001 Per Share
CY2022	dei	Trading Symbol TradingSymbol	IRTC
CY2022	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022Q2	dei	Entity Public Float EntityPublicFloat	3200000000	usd
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	30216279	shares
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Auditor Name AuditorName	PricewaterhouseCoopers LLP
CY2022	dei	Auditor Location AuditorLocation	San Jose, California
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	78832000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	127562000	usd
CY2022Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	134312000	usd
CY2021Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	111569000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	49918000	usd
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	46430000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	15155000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	10268000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	10555000	usd
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	9693000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	288772000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	305522000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	75670000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	55944000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	60666000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	84587000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	862000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	862000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	22252000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	16052000	usd
CY2022Q4	us-gaap	Assets Assets	448222000	usd
CY2021Q4	us-gaap	Assets Assets	462967000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	7517000	usd
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	10509000	usd
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	65497000	usd
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	51486000	usd
CY2022Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	3051000	usd
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	3049000	usd
CY2022Q4	us-gaap	Debt Current DebtCurrent	0	usd
CY2021Q4	us-gaap	Debt Current DebtCurrent	11667000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	13031000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	11142000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	89096000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	87853000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	34935000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	9690000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1307000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	697000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	83072000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	85212000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	208410000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	183452000	usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	30193101	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	30193101	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	29493726	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	29493726	shares
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	28000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	27000	usd
CY2022Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	762380000	usd
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	685594000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-396000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-61000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-522200000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-406045000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	239812000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	279515000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	448222000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	462967000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	410921000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	322825000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	265166000	usd
CY2022	us-gaap	Cost Of Revenue CostOfRevenue	129289000	usd
CY2021	us-gaap	Cost Of Revenue CostOfRevenue	109258000	usd
CY2020	us-gaap	Cost Of Revenue CostOfRevenue	70277000	usd
CY2022	us-gaap	Gross Profit GrossProfit	281632000	usd
CY2021	us-gaap	Gross Profit GrossProfit	213567000	usd
CY2020	us-gaap	Gross Profit GrossProfit	194889000	usd
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	46610000	usd
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	38671000	usd
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	41329000	usd
CY2022	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	322198000	usd
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	274839000	usd
CY2020	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	197233000	usd
CY2022	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	26608000	usd
CY2021	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	0	usd
CY2020	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	0	usd
CY2022	us-gaap	Operating Expenses OperatingExpenses	395416000	usd
CY2021	us-gaap	Operating Expenses OperatingExpenses	313510000	usd
CY2020	us-gaap	Operating Expenses OperatingExpenses	238562000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	-113784000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	-99943000	usd
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-43673000	usd
CY2022	us-gaap	Interest Expense InterestExpense	4138000	usd
CY2021	us-gaap	Interest Expense InterestExpense	1169000	usd
CY2020	us-gaap	Interest Expense InterestExpense	1519000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2036000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	118000	usd
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1591000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-115886000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-100994000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-43601000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	269000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	367000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	229000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-116155000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-101361000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-43830000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-3.88
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.88
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.46
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CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.58
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	29915720	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29915720	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	29331010	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29331010	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27754404	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27754404	shares
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-116155000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-101361000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-43830000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-335000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-72000	usd
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CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-116490000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-101433000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-43901000	usd
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	135409000	usd
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	20244000	usd
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	206025000	usd
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	10009000	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	34305000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-43830000	usd
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-71000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	341612000	usd
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	8943000	usd
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	8943000	usd
CY2021	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	25853000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	56246000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-101361000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-72000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	279515000	usd
CY2022	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	13183000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	63604000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-116155000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-335000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	239812000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-116155000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	-101361000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	-43830000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	13405000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	9842000	usd
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	6900000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	57740000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	54527000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	41515000	usd
CY2022	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	474000	usd
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1641000	usd
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-430000	usd
CY2022	irtc	Provision For Bad Debt And Contractual Allowance ProvisionForBadDebtAndContractualAllowance	58349000	usd
CY2021	irtc	Provision For Bad Debt And Contractual Allowance ProvisionForBadDebtAndContractualAllowance	37074000	usd
CY2020	irtc	Provision For Bad Debt And Contractual Allowance ProvisionForBadDebtAndContractualAllowance	31431000	usd
CY2022	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	6204000	usd
CY2021	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	6752000	usd
CY2020	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	6030000	usd
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	23164000	usd
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2022	us-gaap	Other Noncash Expense OtherNoncashExpense	264000	usd
CY2021	us-gaap	Other Noncash Expense OtherNoncashExpense	0	usd
CY2020	us-gaap	Other Noncash Expense OtherNoncashExpense	0	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	61837000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	53572000	usd
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	37957000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	5108000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	4960000	usd
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1389000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	862000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2329000	usd
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	3027000	usd
CY2022	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	6200000	usd
CY2021	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	1831000	usd
CY2020	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	6149000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-2993000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	6135000	usd
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-3881000	usd
CY2022	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	14473000	usd
CY2021	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	7946000	usd
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	1308000	usd
CY2022	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	2000	usd
CY2021	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	2119000	usd
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-321000	usd
CY2022	irtc	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-6263000	usd
CY2021	irtc	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-2087000	usd
CY2020	irtc	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-4819000	usd
CY2022	irtc	Reimbursement Of Tenant Improvement Allowance ReimbursementOfTenantImprovementAllowance	3279000	usd
CY2021	irtc	Reimbursement Of Tenant Improvement Allowance ReimbursementOfTenantImprovementAllowance	2351000	usd
CY2020	irtc	Reimbursement Of Tenant Improvement Allowance ReimbursementOfTenantImprovementAllowance	0	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-23012000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-37753000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-13759000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	29830000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	28067000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	13551000	usd
CY2022	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	188569000	usd
CY2021	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	122184000	usd
CY2020	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	277510000	usd
CY2022	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	34965000	usd
CY2021	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	0	usd
CY2020	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	14525000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	131000000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	255515000	usd
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	144145000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-52434000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	105264000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-132391000	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	21389000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	11667000	usd
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1944000	usd
CY2022	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	35000000	usd
CY2021	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	0	usd
CY2020	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	0	usd
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	206025000	usd
CY2022	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	13182000	usd
CY2021	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	8943000	usd
CY2020	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	20244000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	25853000	usd
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	10009000	usd
CY2022	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	77000	usd
CY2021	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	usd
CY2020	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	26716000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-28577000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	214316000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-48730000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	38934000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	68166000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	127562000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	88628000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	20462000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	78832000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	127562000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	88628000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	3317000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	1194000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	1502000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	287000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	0	usd
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	0	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	160000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	9000	usd
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	3000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	7686000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	6625000	usd
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	621000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	5863000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	3593000	usd
CY2020	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	1129000	usd
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:115%">Use of Estimates</span></div><div style="margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of the consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the financial statements and the reported amounts of revenues and expenses during the years presented. On an ongoing basis, management evaluates its estimates, including those related to revenue recognition, contractual allowances, allowance for doubtful accounts, the useful lives of property and equipment, the recoverability of long-lived assets including the estimated usage of the printed circuit board assemblies (“PCBAs”), the incremental borrowing rate for operating leases, accounting for income taxes, impairment of right-of-use ("ROU") assets, and various inputs used in estimating stock-based compensation. Actual results may differ from those estimates.</span></div>
CY2022	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	operating_segment
CY2020	irtc	Impairment Charges Unrealized Losses On Short Term Investments ImpairmentChargesUnrealizedLossesOnShortTermInvestments	0	usd
CY2021	irtc	Impairment Charges Unrealized Losses On Short Term Investments ImpairmentChargesUnrealizedLossesOnShortTermInvestments	0	usd
CY2022	irtc	Impairment Charges Unrealized Losses On Short Term Investments ImpairmentChargesUnrealizedLossesOnShortTermInvestments	0	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	14012000	usd
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	12711000	usd
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	9049000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	17191000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	9615000	usd
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	10515000	usd
CY2022	irtc	Allowance For Doubtful Accounts Receivable Write Offs Net Of Recoveries And Other Adjustments AllowanceForDoubtfulAccountsReceivableWriteOffsNetOfRecoveriesAndOtherAdjustments	12728000	usd
CY2021	irtc	Allowance For Doubtful Accounts Receivable Write Offs Net Of Recoveries And Other Adjustments AllowanceForDoubtfulAccountsReceivableWriteOffsNetOfRecoveriesAndOtherAdjustments	8314000	usd
CY2020	irtc	Allowance For Doubtful Accounts Receivable Write Offs Net Of Recoveries And Other Adjustments AllowanceForDoubtfulAccountsReceivableWriteOffsNetOfRecoveriesAndOtherAdjustments	7314000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	18475000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	14012000	usd
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	12711000	usd
CY2021Q4	irtc	Accounts Receivable For Contractual Allowance AccountsReceivableForContractualAllowance	31274000	usd
CY2020Q4	irtc	Accounts Receivable For Contractual Allowance AccountsReceivableForContractualAllowance	21281000	usd
CY2019Q4	irtc	Accounts Receivable For Contractual Allowance AccountsReceivableForContractualAllowance	15433000	usd
CY2022	irtc	Accounts Receivable Allowance For Contractual Adjustments AccountsReceivableAllowanceForContractualAdjustments	41158000	usd
CY2021	irtc	Accounts Receivable Allowance For Contractual Adjustments AccountsReceivableAllowanceForContractualAdjustments	27459000	usd
CY2020	irtc	Accounts Receivable Allowance For Contractual Adjustments AccountsReceivableAllowanceForContractualAdjustments	20916000	usd
CY2022	irtc	Accounts Receivable Contractual Adjustments AccountsReceivableContractualAdjustments	31043000	usd
CY2021	irtc	Accounts Receivable Contractual Adjustments AccountsReceivableContractualAdjustments	17466000	usd
CY2020	irtc	Accounts Receivable Contractual Adjustments AccountsReceivableContractualAdjustments	15068000	usd
CY2022Q4	irtc	Accounts Receivable For Contractual Allowance AccountsReceivableForContractualAllowance	41389000	usd
CY2021Q4	irtc	Accounts Receivable For Contractual Allowance AccountsReceivableForContractualAllowance	31274000	usd
CY2020Q4	irtc	Accounts Receivable For Contractual Allowance AccountsReceivableForContractualAllowance	21281000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0	usd
CY2022	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-top:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Concentrations of Risk</span></div><div style="margin-top:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Credit Risk</span></div><div style="margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Financial instruments that potentially subject the Company to a concentration of credit risk consist primarily of cash and cash equivalents, investments and accounts receivable. Cash balances are deposited in financial institutions which, at times, may be in excess of federally insured limits. Cash equivalents are invested in highly rated money market funds. The Company invests in a variety of financial instruments, such as, but not limited to, U.S. government securities, corporate notes, commercial paper and, by policy, limits the amount of credit exposure with any one financial institution or commercial issuer. The Company has not experienced any material losses on its deposits of cash and cash equivalents or investments.</span></div>Concentrations of credit risk with respect to accounts receivable are limited due to the large number of customers comprising the Company’s customer base and their dispersion across many geographies. The Company does not require collateral. The Company records an allowance for doubtful accounts based on the assessment of the collectability of customer accounts, considering factors such as historical experience, credit quality, the age of the accounts receivable balances, and current economic conditions that may affect a customer’s ability to pay.
CY2022	us-gaap	Number Of Reporting Units NumberOfReportingUnits	1	reporting_unit
CY2022	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	23200000	usd
CY2022Q4	irtc	Number Of Zio System Options NumberOfZioSystemOptions	3	systemoption
CY2022Q4	irtc	Number Of Performance Obligations NumberOfPerformanceObligations	2	performanceobligation
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	410921000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	322825000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	265166000	usd
CY2022	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	3000000	usd
CY2021	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	900000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	158972000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	12000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	409000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	158575000	usd
CY2022Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	24263000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	134312000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	158575000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	221767000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	0	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	61000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	221706000	usd
CY2021Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	110137000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	111569000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	221706000	usd
CY2022	irtc	Available For Sale Debt Securities Maturity Period AvailableForSaleDebtSecuritiesMaturityPeriod	P114D
CY2022Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	158575000	usd
CY2021Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	221706000	usd
CY2021Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	762000	usd
CY2022Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	9338000	usd
CY2021Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	5101000	usd
CY2022Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	5817000	usd
CY2021Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	5167000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	15155000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	10268000	usd
CY2022Q4	irtc	Printed Circuit Board Assemblies PrintedCircuitBoardAssemblies	18599000	usd
CY2021Q4	irtc	Printed Circuit Board Assemblies PrintedCircuitBoardAssemblies	13863000	usd
CY2022Q4	irtc	Cloud Computing Arrangements CloudComputingArrangements	2523000	usd
CY2021Q4	irtc	Cloud Computing Arrangements CloudComputingArrangements	1427000	usd
CY2022Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	1130000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	22252000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	16052000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	110886000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	78648000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	35216000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	22704000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	75670000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	55944000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	13400000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	9800000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6900000	usd
CY2022	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	26300000	usd
CY2022Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	34752000	usd
CY2021Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	34484000	usd
CY2022Q4	us-gaap	Accrued Vacation Current AccruedVacationCurrent	8608000	usd
CY2021Q4	us-gaap	Accrued Vacation Current AccruedVacationCurrent	7431000	usd
CY2022Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	7234000	usd
CY2021Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	1724000	usd
CY2022Q4	irtc	Accrued Expenses Current AccruedExpensesCurrent	7006000	usd
CY2021Q4	irtc	Accrued Expenses Current AccruedExpensesCurrent	3112000	usd
CY2022Q4	irtc	Claims Payable Current ClaimsPayableCurrent	4464000	usd
CY2021Q4	irtc	Claims Payable Current ClaimsPayableCurrent	2988000	usd
CY2022Q4	irtc	Accrued State Local And Foreign Taxes AccruedStateLocalAndForeignTaxes	2388000	usd
CY2021Q4	irtc	Accrued State Local And Foreign Taxes AccruedStateLocalAndForeignTaxes	745000	usd
CY2022Q4	irtc	Accrued Employee Stock Purchase Plan Contribution AccruedEmployeeStockPurchasePlanContribution	1045000	usd
CY2021Q4	irtc	Accrued Employee Stock Purchase Plan Contribution AccruedEmployeeStockPurchasePlanContribution	1002000	usd
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	65497000	usd
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	51486000	usd
CY2022Q1	irtc	Reduction To Leased Square Footage Percent ReductionToLeasedSquareFootagePercent	0.50
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	23200000	usd
CY2022	us-gaap	Restructuring Charges RestructuringCharges	3444000	usd
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	23164000	usd
CY2022	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	26608000	usd
CY2022Q1	irtc	Sublease Of Majority Floor Space SubleaseOfMajorityFloorSpace	1	floor
CY2022Q1	irtc	Lessee Operating Sublease Lease Percentage LesseeOperatingSubleaseLeasePercentage	0.50
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	23164000	usd
CY2022Q4	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	62000000	usd
CY2022Q4	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	1500000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	20826000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	20586000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	20379000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	20131000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	19731000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	31003000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	132656000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	36553000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	96103000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	13524000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	13500000	usd
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	12800000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y9M
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y7M13D
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y7M2D
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.073
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.073
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.074
CY2022Q4	irtc	Collaboration Agreement Additional Milestone Payments Between2022 And Early2023 CollaborationAgreementAdditionalMilestonePaymentsBetween2022AndEarly2023	1750000	usd
CY2022Q4	irtc	Collaboration Agreement Milestone Payments CollaborationAgreementMilestonePayments	0	usd
CY2022Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	1800000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	usd
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	160000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	223000	usd
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	181000	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	111000	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	150000	usd
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	59000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	271000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	373000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	240000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	usd
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-2000	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-6000	usd
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-11000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-6000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-11000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	269000	usd
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	182000	usd
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	177000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	2498000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	367000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	229000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-24323000	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-21198000	usd
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-9172000	usd
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	160000	usd
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	223000	usd
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	181000	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-3492000	usd
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-7049000	usd
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-20762000	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	348000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	4856000	usd
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	544000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	526000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-347000	usd
CY2020	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	89000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	111236000	usd
CY2022	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	2695000	usd
CY2021	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	381000	usd
CY2020	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	1426000	usd
CY2022	irtc	Income Tax Reconciliation Effect Of Tax Cuts And Jobs Act Of2017 IncomeTaxReconciliationEffectOfTaxCutsAndJobsActOf2017	-40000	usd
CY2021	irtc	Income Tax Reconciliation Effect Of Tax Cuts And Jobs Act Of2017 IncomeTaxReconciliationEffectOfTaxCutsAndJobsActOf2017	-30000	usd
CY2020	irtc	Income Tax Reconciliation Effect Of Tax Cuts And Jobs Act Of2017 IncomeTaxReconciliationEffectOfTaxCutsAndJobsActOf2017	-9000	usd
CY2022	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	27287000	usd
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	24111000	usd
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	30607000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	269000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	367000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	229000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	23964000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	114856000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	29455000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	9174000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	11942000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	9812000	usd
CY2022Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	15997000	usd
CY2021Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	0	usd
CY2022Q4	irtc	Deferred Tax Assets Valuation Allowances And Other DeferredTaxAssetsValuationAllowancesAndOther	19399000	usd
CY2021Q4	irtc	Deferred Tax Assets Valuation Allowances And Other DeferredTaxAssetsValuationAllowancesAndOther	20988000	usd
CY2022Q4	irtc	Deferred Tax Assets Lease Obligations DeferredTaxAssetsLeaseObligations	24232000	usd
CY2021Q4	irtc	Deferred Tax Assets Lease Obligations DeferredTaxAssetsLeaseObligations	23868000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	212261000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	178698000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	188070000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	154734000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	24191000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	9402000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	3212000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	14731000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	20696000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	24133000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	23908000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	58000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	56000	usd
CY2022Q4	irtc	Operating Loss Carryforwards Tax Benefit Recognized OperatingLossCarryforwardsTaxBenefitRecognized	0	usd
CY2022	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	33300000	usd
CY2021	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	30900000	usd
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	35400000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	154734000	usd
CY2022	irtc	Valuation Allowance Deferred Tax Asset Additions ValuationAllowanceDeferredTaxAssetAdditions	33336000	usd
CY2022	irtc	Valuation Allowance Deferred Tax Asset Deductions ValuationAllowanceDeferredTaxAssetDeductions	0	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	188070000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	123803000	usd
CY2021	irtc	Valuation Allowance Deferred Tax Asset Additions ValuationAllowanceDeferredTaxAssetAdditions	30931000	usd
CY2021	irtc	Valuation Allowance Deferred Tax Asset Deductions ValuationAllowanceDeferredTaxAssetDeductions	0	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	154734000	usd
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	88433000	usd
CY2020	irtc	Valuation Allowance Deferred Tax Asset Additions ValuationAllowanceDeferredTaxAssetAdditions	35370000	usd
CY2020	irtc	Valuation Allowance Deferred Tax Asset Deductions ValuationAllowanceDeferredTaxAssetDeductions	0	usd
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	123803000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	445000000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	285500000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3310000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2302000	usd
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1842000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	996000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	772000	usd
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	488000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	426000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	236000	usd
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	28000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4732000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3310000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2302000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	4700000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	3300000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2300000	usd
CY2022Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	0	usd
CY2020Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	0	usd
CY2021Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	0	usd
CY2022	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.10
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2022	us-gaap	Dividends Common Stock DividendsCommonStock	0	usd
CY2022Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	10176585	shares
CY2021Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	11164880	shares
CY2022	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.50
CY2022	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Amount DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount	5000	usd
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	5100000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3300000	usd
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2200000	usd
CY2021Q4	irtc	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber	500000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	609881	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	40.18
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y2M26D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	120163000	usd
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	90939	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	31.15
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	14836	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	68.81
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	504106	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	40.97
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y2M12D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	38675000	usd
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	174539	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	36.82
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	1374	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	83.15
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	328193	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	43.00
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y5M4D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	16635000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	327768	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	42.95
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y5M4D
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	16631000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	328191	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	43.00
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P4Y5M4D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	16635000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	2400000	usd
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	2800000	usd
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	4900000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	57740000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	54527000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	41515000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-116155000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-101361000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-43830000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29915720	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	29915720	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	29331010	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29331010	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27754404	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27754404	shares
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.88
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-3.88
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.46
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-3.46
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.58
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.58
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2353948	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2153667	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1724040	shares
CY2022	dei	Auditor Firm AuditorFirmId	238

Files In Submission

Name	View Source	Status
irtc-20221231_pre.xml	Edgar Link	unprocessable
0001388658-23-000007-index-headers.html	Edgar Link	pending
0001388658-23-000007-index.html	Edgar Link	pending
0001388658-23-000007.txt	Edgar Link	pending
0001388658-23-000007-xbrl.zip	Edgar Link	pending
ex1019-murphypatrickm_offe.htm	Edgar Link	pending
ex1020-turakhiaminangmintu.htm	Edgar Link	pending
ex1021-pattersonchadm_offe.htm	Edgar Link	pending
ex1022-bobzienbricea_offer.htm	Edgar Link	pending
ex211listofsubsidiaries.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
irtc-20221231.htm	Edgar Link	pending
irtc-20221231.xsd	Edgar Link	pending
irtc-20221231xex231.htm	Edgar Link	pending
irtc-20221231xex311.htm	Edgar Link	pending
irtc-20221231xex312.htm	Edgar Link	pending
irtc-20221231xex321.htm	Edgar Link	pending
irtc-20221231_g1.jpg	Edgar Link	pending
irtc-20221231_g2.jpg	Edgar Link	pending
irtc-20221231_g3.jpg	Edgar Link	pending
irtc-20221231_g4.jpg	Edgar Link	pending
irtc-20221231_g5.jpg	Edgar Link	pending
irtc-20221231_g6.jpg	Edgar Link	pending
irtc-20221231_g7.jpg	Edgar Link	pending
irtc-20221231_g8.jpg	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
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R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
irtc-20221231_cal.xml	Edgar Link	unprocessable
irtc-20221231_def.xml	Edgar Link	unprocessable
irtc-20221231_lab.xml	Edgar Link	unprocessable
irtc-20221231_htm.xml	Edgar Link	completed
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
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R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R9999.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
zio-small.jpg	Edgar Link	pending
zioletterhead1.jpg	Edgar Link	pending
zioletterhead1b.jpg	Edgar Link	pending
zioletterhead1c.jpg	Edgar Link	pending
zioletterhead1d.jpg	Edgar Link	pending

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$IRTC
iRhythm Technologies, Inc. Stock $irtc

2023 Q1 Form 10-K Financial Statement

#000138865823000007 Filed on February 23, 2023

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$IRTC iRhythm Technologies, Inc. Stock $irtc

2023 Q1 Form 10-K Financial Statement

#000138865823000007 Filed on February 23, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IRTC
iRhythm Technologies, Inc. Stock $irtc