$INSM
INSMED Inc Stock $insm

$insm Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000110450623000009 Filed on February 23, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$65.21M	$59.30M	$245.4M
YoY Change	22.8%	5.66%	30.19%
Cost Of Revenue	$13.83M	$13.07M	$55.13M
YoY Change	13.44%	-1.65%	24.86%
Gross Profit	$51.38M	$46.23M	$190.2M
YoY Change	25.58%	7.93%	31.82%
Gross Profit Margin	78.79%	77.96%	77.53%
Selling, General & Admin	$79.91M	$73.48M	$265.8M
YoY Change	40.82%	12.58%	13.45%
% of Gross Profit	155.52%	158.94%	139.72%
Research & Development	$127.9M	$124.8M	$397.5M
YoY Change	51.58%	63.41%	45.75%
% of Gross Profit	248.84%	269.87%	208.96%
Depreciation & Amortization	$1.248M	$3.561M	$5.300M
YoY Change	-2.95%	-2.44%	-41.76%
% of Gross Profit	2.43%	7.7%	2.79%
Operating Expenses	$127.9M	$199.5M	$397.5M
YoY Change	51.58%	39.63%	45.75%
Operating Profit	-$148.2M	-$153.3M	-$457.3M
YoY Change	64.93%	53.21%	21.92%
Interest Expense	$20.00M	-$8.127M	$26.45M
YoY Change	507.81%	-28.01%	-34.66%
% of Operating Profit
Other Income/Expense, Net	-$111.0K	-$396.0K	-$5.939M
YoY Change	-91.11%	-85.07%	78.35%
Pretax Income	-$159.3M	-$160.0M	-$480.2M
YoY Change	69.02%	41.57%	10.02%
Income Tax	$500.0K	$125.0K	$1.383M
% Of Pretax Income
Net Earnings	-$159.8M	-$160.1M	-$481.5M
YoY Change	68.85%	41.73%	10.79%
Net Earnings / Revenue	-244.98%	-270.02%	-196.26%
Basic Earnings Per Share	-$1.17		-$3.91
Diluted Earnings Per Share	-$1.17	-$1.21	-$3.91
COMMON SHARES
Basic Shares Outstanding	136.4M shares	135.5M shares	123.0M shares
Diluted Shares Outstanding	136.4M shares		123.0M shares

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$998.7M	$1.148B	$1.148B
YoY Change	57.25%	49.75%	60.2%
Cash & Equivalents	$968.9M	$1.074B	$1.074B
Short-Term Investments	$29.80M	$74.24M	$74.24M
Other Short-Term Assets	$28.54M	$25.47M	$25.47M
YoY Change	-8.38%	-11.87%	-11.87%
Inventory	$71.32M	$69.92M	$69.92M
Prepaid Expenses
Receivables	$30.52M	$29.71M	$29.71M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.129B	$1.273B	$1.273B
YoY Change	49.32%	52.13%	52.13%
LONG-TERM ASSETS
Property, Plant & Equipment	$59.56M	$56.49M	$102.1M
YoY Change	13.06%	6.68%	6.87%
Goodwill	$136.1M	$136.1M
YoY Change	0.0%	-0.01%
Intangibles
YoY Change
Long-Term Investments		$0.00	$0.00
YoY Change		-100.0%	-100.0%
Other Assets	$81.32M	$76.10M	$76.10M
YoY Change	42.17%	49.25%	49.25%
Total Long-Term Assets	$388.7M	$383.1M	$383.1M
YoY Change	-2.15%	-5.76%	-5.76%
TOTAL ASSETS
Total Short-Term Assets	$1.129B	$1.273B	$1.273B
Total Long-Term Assets	$388.7M	$383.1M	$383.1M
Total Assets	$1.518B	$1.656B	$1.656B
YoY Change	31.6%	33.21%	33.21%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$56.67M	$50.46M	$52.61M
YoY Change	16.67%	41.02%	47.02%
Accrued Expenses	$126.5M	$136.4M	$136.4M
YoY Change	137.47%	124.87%	38.11%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$2.158M	$1.217M	$1.217M
YoY Change	1626.4%	99.84%	99.84%
Total Short-Term Liabilities	$188.0M	$190.2M	$190.2M
YoY Change	50.09%	40.75%	40.75%
LONG-TERM LIABILITIES
Long-Term Debt	$1.132B	$1.125B	$1.155B
YoY Change	44.57%	98.6%	98.88%
Other Long-Term Liabilities	$9.876M	$9.387M	$223.4M
YoY Change	-36.39%	-53.24%	90.6%
Total Long-Term Liabilities	$1.142B	$1.135B	$1.378B
YoY Change	42.99%	93.41%	97.49%
TOTAL LIABILITIES
Total Short-Term Liabilities	$188.0M	$190.2M	$190.2M
Total Long-Term Liabilities	$1.142B	$1.135B	$1.378B
Total Liabilities	$1.562B	$1.568B	$1.568B
YoY Change	51.18%	88.28%	88.28%
SHAREHOLDERS EQUITY
Retained Earnings	-$2.856B	-$2.697B
YoY Change	23.67%	19.04%
Common Stock	$1.364M	$1.357M
YoY Change	14.33%	14.32%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	-$44.65M	$87.95M	$87.95M
YoY Change
Total Liabilities & Shareholders Equity	$1.518B	$1.656B	$1.656B
YoY Change	31.6%	33.21%	33.21%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	-$159.8M	-$160.1M	-$481.5M
YoY Change	68.85%	41.73%	10.79%
Depreciation, Depletion And Amortization	$1.248M	$3.561M	$5.300M
YoY Change	-2.95%	-2.44%	-41.76%
Cash From Operating Activities	-$146.3M	-$103.1M	-$400.4M
YoY Change	39.12%	22.6%	10.22%
INVESTING ACTIVITIES
Capital Expenditures	$3.398M	$4.691M	$9.878M
YoY Change	99.76%	-510.77%	35.52%
Acquisitions
YoY Change
Other Investing Activities	$45.00M	$25.00M	-$24.71M
YoY Change	-145.13%	-149.92%	-56.65%
Cash From Investing Activities	$41.60M	$20.31M	-$34.58M
YoY Change	-141.02%	-139.65%	-46.2%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$292.2M
YoY Change			8.25%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$399.0K	743.4M	$793.3M
YoY Change	-106.18%	12919.04%	29.5%
NET CHANGE
Cash From Operating Activities	-$146.3M	-103.1M	-$400.4M
Cash From Investing Activities	$41.60M	20.31M	-$34.58M
Cash From Financing Activities	-$399.0K	743.4M	$793.3M
Net Change In Cash	-$105.1M	660.5M	$357.3M
YoY Change	-47.72%	-609.52%	94.13%
FREE CASH FLOW
Cash From Operating Activities	-$146.3M	-$103.1M	-$400.4M
Capital Expenditures	$3.398M	$4.691M	$9.878M
Free Cash Flow	-$149.7M	-$107.8M	-$410.3M
YoY Change	40.09%	29.94%	10.72%

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	0001104506
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CY2021	us-gaap	Revenue From Contract With Customer Product And Service Extensible List RevenueFromContractWithCustomerProductAndServiceExtensibleList	http://fasb.org/us-gaap/2022#ProductMember
CY2022	us-gaap	Revenue From Contract With Customer Product And Service Extensible List RevenueFromContractWithCustomerProductAndServiceExtensibleList	http://fasb.org/us-gaap/2022#ProductMember
CY2022	us-gaap	Type Of Cost Good Or Service Extensible List TypeOfCostGoodOrServiceExtensibleList	http://fasb.org/us-gaap/2022#ProductMember
CY2020	us-gaap	Type Of Cost Good Or Service Extensible List TypeOfCostGoodOrServiceExtensibleList	http://fasb.org/us-gaap/2022#ProductMember
CY2021	us-gaap	Type Of Cost Good Or Service Extensible List TypeOfCostGoodOrServiceExtensibleList	http://fasb.org/us-gaap/2022#ProductMember
CY2021	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2022#AccountingStandardsUpdate202006Member
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	0-30739
CY2022	dei	Entity Registrant Name EntityRegistrantName	INSMED INC
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	VA
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	54-1972729
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	700 US Highway 202/206
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Bridgewater
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	NJ
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	08807
CY2022	dei	City Area Code CityAreaCode	908
CY2022	dei	Local Phone Number LocalPhoneNumber	977-9900
CY2022	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
CY2022	dei	Trading Symbol TradingSymbol	INSM
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	Entity Shell Company EntityShellCompany	false
CY2022Q2	dei	Entity Public Float EntityPublicFloat	2300000000	usd
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	136405367	shares
CY2022	dei	Auditor Firm AuditorFirmId	42
CY2022	dei	Auditor Name AuditorName	Ernst & Young LLP
CY2022	dei	Auditor Location AuditorLocation	Iselin, New Jersey
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1074036000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	716782000	usd
CY2022Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	74244000	usd
CY2021Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	0	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	29713000	usd
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	24351000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	69922000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	67009000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	25468000	usd
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	28898000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	1273383000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	837040000	usd
CY2022Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	0	usd
CY2021Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	50043000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	56491000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	52955000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	23697000	usd
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	9256000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	21894000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	33305000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	68756000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	73809000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	136110000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	136110000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	76104000	usd
CY2021Q4	us-gaap	Other Assets OtherAssets	50990000	usd
CY2022Q4	us-gaap	Assets Assets	1656435000	usd
CY2021Q4	us-gaap	Assets Assets	1243508000	usd
CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	182117000	usd
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	125030000	usd
CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	1217000	usd
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	609000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6909000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	9527000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	190243000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	135166000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1125250000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	566588000	usd
CY2022Q4	us-gaap	Accrued Royalties Current And Noncurrent AccruedRoyaltiesCurrentAndNoncurrent	148015000	usd
CY2021Q4	us-gaap	Accrued Royalties Current And Noncurrent AccruedRoyaltiesCurrentAndNoncurrent	0	usd
CY2022Q4	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	51100000	usd
CY2021Q4	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	75668000	usd
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	29636000	usd
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	14103000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	14853000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	21441000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	9387000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	20074000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	1568484000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	833040000	usd
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
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CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	135653731	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	118738266	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	118738266	shares
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	1357000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	1187000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	2782416000	usd
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	2673556000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-2696578000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-2265243000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	756000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	968000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	87951000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	410468000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1656435000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1243508000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	245358000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	188461000	usd
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CY2022	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	55126000	usd
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CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	39872000	usd
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	397518000	usd
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	272744000	usd
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	181157000	usd
CY2022	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	265784000	usd
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	234273000	usd
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CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5053000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5052000	usd
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5003000	usd
CY2022	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-20802000	usd
CY2021	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	7334000	usd
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CY2022	us-gaap	Costs And Expenses CostsAndExpenses	702679000	usd
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	563555000	usd
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	429645000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	-457321000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	-375094000	usd
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-265232000	usd
CY2022	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	11081000	usd
CY2021	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	174000	usd
CY2020	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	1703000	usd
CY2022	us-gaap	Interest Expense InterestExpense	26446000	usd
CY2021	us-gaap	Interest Expense InterestExpense	40473000	usd
CY2020	us-gaap	Interest Expense InterestExpense	29564000	usd
CY2022	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-1526000	usd
CY2021	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	usd
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-17689000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-5939000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-3330000	usd
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	405000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-480151000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-436412000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-292688000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1383000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1758000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1402000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-481534000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-434654000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-294090000	usd
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.91
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CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-3.88
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CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.01
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-3.01
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	123035000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	123035000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	112111000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	112111000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	97605000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	97605000	shares
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-481534000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-434654000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-294090000	usd
CY2022	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	303000	usd
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	775000	usd
CY2020	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	203000	usd
CY2022	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-515000	usd
CY2021	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	0	usd
CY2020	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	0	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-481746000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-433879000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-293887000	usd
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	261674000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-294090000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	203000	usd
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	26072000	usd
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	245866000	usd
CY2020	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	1000	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	36158000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	275884000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-434654000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	775000	usd
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	22035000	usd
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	269886000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	196358000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt Subsequent Adjustments AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments	37846000	usd
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	2000	usd
CY2021	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	72007000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	46021000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	410468000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-481534000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-212000	usd
CY2022	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	19500000	usd
CY2022	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	292153000	usd
CY2022	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	4000	usd
CY2022	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	4296000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	57686000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	87951000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-481534000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-434654000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-294090000	usd
CY2022	us-gaap	Depreciation Depreciation	5278000	usd
CY2021	us-gaap	Depreciation Depreciation	9130000	usd
CY2020	us-gaap	Depreciation Depreciation	9147000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5053000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5052000	usd
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5003000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	57686000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	46021000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	36158000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-17689000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3991000	usd
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1890000	usd
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1397000	usd
CY2022	us-gaap	Accretion Expense AccretionExpense	0	usd
CY2021	us-gaap	Accretion Expense AccretionExpense	29149000	usd
CY2020	us-gaap	Accretion Expense AccretionExpense	18981000	usd
CY2022	us-gaap	Paid In Kind Interest PaidInKindInterest	4165000	usd
CY2021	us-gaap	Paid In Kind Interest PaidInKindInterest	0	usd
CY2020	us-gaap	Paid In Kind Interest PaidInKindInterest	0	usd
CY2022	us-gaap	Other Noncash Expense OtherNoncashExpense	3687000	usd
CY2021	us-gaap	Other Noncash Expense OtherNoncashExpense	0	usd
CY2020	us-gaap	Other Noncash Expense OtherNoncashExpense	0	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1960000	usd
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1078000	usd
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1078000	usd
CY2022	insm	Noncash Operating Lease Expense NoncashOperatingLeaseExpense	11976000	usd
CY2021	insm	Noncash Operating Lease Expense NoncashOperatingLeaseExpense	12589000	usd
CY2020	insm	Noncash Operating Lease Expense NoncashOperatingLeaseExpense	5932000	usd
CY2022	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-20802000	usd
CY2021	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	7334000	usd
CY2020	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0	usd
CY2022	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-1526000	usd
CY2021	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	usd
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	6423000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	8118000	usd
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-2670000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1714000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	17456000	usd
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	21180000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2528000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	5549000	usd
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	3114000	usd
CY2022	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	25243000	usd
CY2021	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	24435000	usd
CY2020	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	6261000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	50011000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-7575000	usd
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	29825000	usd
CY2022	insm	Increase Decrease In Accrued Liabilities Accrued Compensation And Other Current Liabilities IncreaseDecreaseInAccruedLiabilitiesAccruedCompensationAndOtherCurrentLiabilities	-12584000	usd
CY2021	insm	Increase Decrease In Accrued Liabilities Accrued Compensation And Other Current Liabilities IncreaseDecreaseInAccruedLiabilitiesAccruedCompensationAndOtherCurrentLiabilities	4553000	usd
CY2020	insm	Increase Decrease In Accrued Liabilities Accrued Compensation And Other Current Liabilities IncreaseDecreaseInAccruedLiabilitiesAccruedCompensationAndOtherCurrentLiabilities	-4894000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-400439000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-363302000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-219348000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9878000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7289000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	6240000	usd
CY2022	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	99706000	usd
CY2021	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	50292000	usd
CY2020	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	0	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	75000000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	0	usd
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	0	usd
CY2022	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	usd
CY2021	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	6704000	usd
CY2020	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	usd
CY2022	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	0	usd
CY2021	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	0	usd
CY2020	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	582000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-34584000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-64285000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-6822000	usd
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	19504000	usd
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	22037000	usd
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	26073000	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	292153000	usd
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	269886000	usd
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	245866000	usd
CY2022	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	usd
CY2021	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	12578000	usd
CY2020	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	usd
CY2022	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	0	usd
CY2021	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	225000000	usd
CY2020	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	0	usd
CY2022	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	0	usd
CY2021	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	575000000	usd
CY2020	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	350000000	usd
CY2021	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	usd
CY2020	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	usd
CY2022	insm	Proceeds From Royalty Financing ProceedsFromRoyaltyFinancing	150000000	usd
CY2021	insm	Proceeds From Royalty Financing ProceedsFromRoyaltyFinancing	0	usd
CY2020	insm	Proceeds From Royalty Financing ProceedsFromRoyaltyFinancing	0	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	17783000	usd
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	15718000	usd
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-601000	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1081000	usd
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-936000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	793273000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	612546000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	271003000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-996000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-933000	usd
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	494000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	357254000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	184026000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	45327000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	716782000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	532756000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	487429000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1074036000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	716782000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	532756000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	10157000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	10890000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	9186000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1717000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1558000	usd
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	814000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1074000000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	74200000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-481500000	usd
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span><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 accounting principles generally accepted in the United States (GAAP) requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. The Company bases its estimates and judgments on historical experience and on various other assumptions. The amounts of assets and liabilities reported in the Company's balance sheets and the amounts of revenues and expenses reported for each period presented are affected by estimates and assumptions, which are used for, but not limited to, the accounting for revenue allowances, stock-based compensation, income taxes, loss contingencies, acquisition related intangibles including IPR&D and goodwill, fair value of contingent consideration, and accounting for research and development costs. Actual results could differ from those estimates.</span>
CY2022	us-gaap	Number Of Reporting Units NumberOfReportingUnits	1	reportingunit
CY2022	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	99700000	usd
CY2022	insm	Fair Value Level1 Level2 Level3 Transfers Amount FairValueLevel1Level2Level3TransfersAmount	0	usd
CY2021	insm	Fair Value Level1 Level2 Level3 Transfers Amount FairValueLevel1Level2Level3TransfersAmount	0	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	74200000	usd
CY2022	us-gaap	Available For Sale Debt Securities Gross Unrealized Loss AvailableForSaleDebtSecuritiesGrossUnrealizedLoss	500000	usd
CY2021	us-gaap	Available For Sale Debt Securities Gross Unrealized Loss AvailableForSaleDebtSecuritiesGrossUnrealizedLoss	200000	usd
CY2022	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-bottom:6pt;margin-top:6pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Concentration of Credit Risk</span><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 concentrations of credit risk consist primarily of cash and cash equivalents. The Company places its cash equivalents with high credit-quality financial institutions and may invest its short-term investments in US treasury securities, mutual funds and government agency bonds. The Company has established guidelines relative to credit ratings and maturities that seek to maintain safety and liquidity.</span></div><div style="margin-bottom:6pt;margin-top:6pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company is exposed to risks associated with extending credit to customers related to the sale of products. The Company does not require collateral to secure amounts due from its customers. The Company uses an expected loss methodology to calculate allowances for trade receivables. The Company's measurement of expected credit losses is based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. The Company does not currently have a material allowance for collectible trade receivables. The following table presents the percentage of gross product revenue represented by the </span></div><div style="margin-bottom:6pt;margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Company's three largest customers as of the year ended December 31, 2022.</span></div><div style="margin-bottom:6pt;margin-top:6pt;text-align:center;text-indent:36pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:50.146%"><tr><td style="width:1.0%"/><td style="width:51.669%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:21.932%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.966%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:21.933%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr style="height:27pt"><td colspan="3" rowspan="2" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Percentage of Total Gross Product Revenue</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr style="height:14pt"><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2022</span></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Customer A</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">36%</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">24%</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Customer B</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">34%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">24%</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Customer C</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">20%</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7%</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div><div style="margin-bottom:6pt;margin-top:6pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company relies on third-party manufacturers and suppliers for manufacturing and supply of its products. The inability of the suppliers or manufacturers to fulfill supply requirements of the Company could materially impact future operating results. A change in the relationship with the suppliers or manufacturers, or an adverse change in their business, could materially impact future operating results.</span></div>
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	245358000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	188461000	usd
CY2022Q4	insm	Revenue Reversal Due To Agreement RevenueReversalDueToAgreement	5800000	usd
CY2021Q4	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	8398000	usd
CY2022	insm	Contract With Customer Asset Allowance For Current Period Sales ContractWithCustomerAssetAllowanceForCurrentPeriodSales	36862000	usd
CY2022	insm	Contract With Customer Asset Allowance For Prior Period Sales ContractWithCustomerAssetAllowanceForPriorPeriodSales	5316000	usd
CY2022	insm	Contract With Customer Assets Allowance For Credit Loss Paymentsand Credits ContractWithCustomerAssetsAllowanceForCreditLossPaymentsandCredits	30780000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	19796000	usd
CY2020Q4	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	4971000	usd
CY2021	insm	Contract With Customer Asset Allowance For Current Period Sales ContractWithCustomerAssetAllowanceForCurrentPeriodSales	28135000	usd
CY2021	insm	Contract With Customer Asset Allowance For Prior Period Sales ContractWithCustomerAssetAllowanceForPriorPeriodSales	-476000	usd
CY2021	insm	Contract With Customer Assets Allowance For Credit Loss Paymentsand Credits ContractWithCustomerAssetsAllowanceForCreditLossPaymentsandCredits	24232000	usd
CY2021Q4	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	8398000	usd
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	123035000	shares
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-481534000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-434654000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-294090000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	123035000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	112111000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	97605000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	112111000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	97605000	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-3.91
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.91
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-3.88
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.88
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-3.01
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.01
CY2022	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2022	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2022Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	27245000	usd
CY2021Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	29541000	usd
CY2022Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	22460000	usd
CY2021Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	18528000	usd
CY2022Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	20217000	usd
CY2021Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	18940000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	69922000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	67009000	usd
CY2022	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P12Y
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	5100000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5100000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	5100000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	5100000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	5100000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	73809000	usd
CY2022	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	0	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5053000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	68756000	usd
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	49261000	usd
CY2021	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	29600000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5052000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	73809000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	136100000	usd
CY2022Q4	us-gaap	Interest Payable Current InterestPayableCurrent	6340000	usd
CY2021Q4	us-gaap	Interest Payable Current InterestPayableCurrent	2175000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	95936000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	90016000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	39445000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	37061000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	56491000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	52955000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	5300000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	9100000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	9100000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	50461000	usd
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	35784000	usd
CY2022Q4	insm	Accrued Clinical Trial Expenses AccruedClinicalTrialExpenses	36456000	usd
CY2021Q4	insm	Accrued Clinical Trial Expenses AccruedClinicalTrialExpenses	19410000	usd
CY2022Q4	us-gaap	Accrued Professional Fees Current And Noncurrent AccruedProfessionalFeesCurrentAndNoncurrent	14403000	usd
CY2021Q4	us-gaap	Accrued Professional Fees Current And Noncurrent AccruedProfessionalFeesCurrentAndNoncurrent	10678000	usd
CY2022Q4	insm	Accrued Technical Operation Expenses AccruedTechnicalOperationExpenses	3345000	usd
CY2021Q4	insm	Accrued Technical Operation Expenses AccruedTechnicalOperationExpenses	6187000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	32040000	usd
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	28581000	usd
CY2022Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	4710000	usd
CY2021Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	6655000	usd
CY2022Q4	insm	Royalty Revenue Payable RoyaltyRevenuePayable	2149000	usd
CY2021Q4	insm	Royalty Revenue Payable RoyaltyRevenuePayable	0	usd
CY2022Q4	insm	Accrued Sales Allowancesand Related Costs AccruedSalesAllowancesandRelatedCosts	6974000	usd
CY2021Q4	insm	Accrued Sales Allowancesand Related Costs AccruedSalesAllowancesandRelatedCosts	5556000	usd
CY2022Q4	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	12943000	usd
CY2021Q4	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	2719000	usd
CY2022Q4	insm	Business Combination Deferred Payments Current BusinessCombinationDeferredPaymentsCurrent	10700000	usd
CY2021Q4	insm	Business Combination Deferred Payments Current BusinessCombinationDeferredPaymentsCurrent	4883000	usd
CY2022Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1596000	usd
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2402000	usd
CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	182117000	usd
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	125030000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1960000	usd
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1078000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1808000	usd
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1300000	usd
CY2022	insm	Finance Lease Cost FinanceLeaseCost	3768000	usd
CY2021	insm	Finance Lease Cost FinanceLeaseCost	2378000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	12920000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	12125000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	11254000	usd
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	7043000	usd
CY2022	us-gaap	Lease Cost LeaseCost	27942000	usd
CY2021	us-gaap	Lease Cost LeaseCost	21546000	usd
CY2022	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	1907000	usd
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	1300000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	11450000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	14598000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	601000	usd
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1081000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	16741000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	565000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	12948000	usd
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P8Y7M6D
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P8Y7M6D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y2M12D
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y9M18D
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.079
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.086
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.070
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.070
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	3634000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	8242000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	4840000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	7333000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	4967000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	7182000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	5097000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1217000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	5228000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	176000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	19519000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	135000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	43285000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	24285000	usd
CY2022Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	12432000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	2523000	usd
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	30853000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	21762000	usd
CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	1217000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6909000	usd
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	29636000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	14853000	usd
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	30853000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	21762000	usd
CY2022	insm	Lessee Operating Lease Lease Not Yet Commenced Amount LesseeOperatingLeaseLeaseNotYetCommencedAmount	40700000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1125250000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	566588000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	225000000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	177083000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	177082000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	575000000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	1154165000	usd
CY2022	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3991000	usd
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1890000	usd
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1397000	usd
CY2022	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	usd
CY2021	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	29149000	usd
CY2020	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	18981000	usd
CY2022	us-gaap	Interest Expense Other InterestExpenseOther	380000	usd
CY2021	us-gaap	Interest Expense Other InterestExpenseOther	0	usd
CY2020	us-gaap	Interest Expense Other InterestExpenseOther	0	usd
CY2022	insm	Interest Expense Excluding Finance Lease Interest Expense InterestExpenseExcludingFinanceLeaseInterestExpense	24638000	usd
CY2021	insm	Interest Expense Excluding Finance Lease Interest Expense InterestExpenseExcludingFinanceLeaseInterestExpense	39173000	usd
CY2020	insm	Interest Expense Excluding Finance Lease Interest Expense InterestExpenseExcludingFinanceLeaseInterestExpense	28263000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1808000	usd
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1300000	usd
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1301000	usd
CY2022	us-gaap	Interest Expense InterestExpense	26446000	usd
CY2021	us-gaap	Interest Expense InterestExpense	40473000	usd
CY2020	us-gaap	Interest Expense InterestExpense	29564000	usd
CY2022Q4	us-gaap	Accrued Royalties Current And Noncurrent AccruedRoyaltiesCurrentAndNoncurrent	148015000	usd
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	135653731	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	135653731	shares
CY2022Q4	us-gaap	Sale Of Stock Price Per Share SaleOfStockPricePerShare	20.00
CY2022Q4	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	16200000	usd
CY2021Q2	us-gaap	Sale Of Stock Price Per Share SaleOfStockPricePerShare	25.00
CY2021Q2	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	17500000	usd
CY2020Q2	us-gaap	Sale Of Stock Price Per Share SaleOfStockPricePerShare	23.25
CY2020Q2	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	13500000	usd
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
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
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	2465477	shares
CY2022	insm	Share Based Compensation Arrangement By Share Based Payment Award Inducement Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardInducementOptionsGrantsInPeriodGross	1068310	shares
CY2021	insm	Share Based Compensation Arrangement By Share Based Payment Award Inducement Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardInducementOptionsGrantsInPeriodGross	1117020	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	10492946	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.24
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	3990740	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	24.12
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1678604	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	14.04
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	541680	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	20.89
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	23.98
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	12263402	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	18.84
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	6028261	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	16.15
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	4039360	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	30.18
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1235186	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	15.50
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	978616	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	24.35
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	14088960	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	22.00
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	7292851	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	17.97
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	5614220	shares
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1151341	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	14.41
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	1026543	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	25.70
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	17525296	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	21.93
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y10D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	34790000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	8587820	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	20.35
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y3M29D
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	25264000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1400000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1800000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1400000	usd
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-406262000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-348845000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-207120000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-73889000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-87567000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-85568000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-480151000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-436412000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-292688000	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	269000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	104000	usd
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	268000	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1345000	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1585000	usd
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1134000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1614000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1689000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1402000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	13000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-2835000	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	-244000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-612000	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	0	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	usd
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-231000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3447000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1383000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1758000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1402000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2022	insm	Effective Income Tax Rate Reconciliation Permanent Items EffectiveIncomeTaxRateReconciliationPermanentItems	0
CY2021	insm	Effective Income Tax Rate Reconciliation Permanent Items EffectiveIncomeTaxRateReconciliationPermanentItems	-0.01
CY2020	insm	Effective Income Tax Rate Reconciliation Permanent Items EffectiveIncomeTaxRateReconciliationPermanentItems	0
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.01
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.04
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.04
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment	0.03
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment	0.04
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment	0.02
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.01
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.01
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.22
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.27
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.32
CY2022	insm	Effective Income Tax Rate Reconciliation Change In Foreign Trading Status Percent EffectiveIncomeTaxRateReconciliationChangeInForeignTradingStatusPercent	0
CY2021	insm	Effective Income Tax Rate Reconciliation Change In Foreign Trading Status Percent EffectiveIncomeTaxRateReconciliationChangeInForeignTradingStatusPercent	0
CY2020	insm	Effective Income Tax Rate Reconciliation Change In Foreign Trading Status Percent EffectiveIncomeTaxRateReconciliationChangeInForeignTradingStatusPercent	0.04
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	-0.02
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.01
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	499029000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	471407000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	157181000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	140121000	usd
CY2022Q4	insm	Deferred Tax Assets License Payment DeferredTaxAssetsLicensePayment	4317000	usd
CY2021Q4	insm	Deferred Tax Assets License Payment DeferredTaxAssetsLicensePayment	4963000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	1470000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	1417000	usd
CY2022Q4	insm	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	12965000	usd
CY2021Q4	insm	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	10641000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	23724000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	25600000	usd
CY2022Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	56275000	usd
CY2021Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	0	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	15001000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	11520000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	769962000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	665669000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	745135000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	587408000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	24827000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	78261000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	13739000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	15214000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	11227000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	9840000	usd
CY2022Q4	insm	Deferred Tax Liabilities Convertible Debt DeferredTaxLiabilitiesConvertibleDebt	0	usd
CY2021Q4	insm	Deferred Tax Liabilities Convertible Debt DeferredTaxLiabilitiesConvertibleDebt	54914000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	24966000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	79968000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	139000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1707000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	24800000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	78300000	usd
CY2022	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	157700000	usd
CY2021	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	77600000	usd
CY2022Q4	insm	Operating Loss Carryforwards Disallowed Interest Expense OperatingLossCarryforwardsDisallowedInterestExpense	14300000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	11500000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	7382000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	5633000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1564000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	112000	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
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2593000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1637000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	11539000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	7382000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	11500000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	7400000	usd
CY2022	us-gaap	Operating Lease Expense OperatingLeaseExpense	8000000	usd
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	4900000	usd
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	3700000	usd
CY2022Q4	us-gaap	Purchase Obligation PurchaseObligation	75100000	usd
CY2022	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	1
CY2022	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.04
CY2022	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	4600000	usd
CY2021	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	3000000	usd
CY2020	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	2900000	usd
CY2021Q2	insm	Business Acquisition Consecutive Trading Day Period BusinessAcquisitionConsecutiveTradingDayPeriod	45	days

Files In Submission

Name	View Source	Status
insm-20221231_pre.xml	Edgar Link	unprocessable
insm-20221231_lab.xml	Edgar Link	unprocessable
insm-20221231_def.xml	Edgar Link	unprocessable
insm-20221231_cal.xml	Edgar Link	unprocessable
0001104506-23-000009-index-headers.html	Edgar Link	pending
0001104506-23-000009-index.html	Edgar Link	pending
0001104506-23-000009.txt	Edgar Link	pending
0001104506-23-000009-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
insm-20221231.htm	Edgar Link	pending
insm-20221231.xsd	Edgar Link	pending
insm-20221231_g1.jpg	Edgar Link	pending
insm-20221231_g2.jpg	Edgar Link	pending
insm20221231ex211.htm	Edgar Link	pending
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insm20221231ex311.htm	Edgar Link	pending
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MetaLinks.json	Edgar Link	pending
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insm-20221231_htm.xml	Edgar Link	completed
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R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$INSM
INSMED Inc Stock $insm

2023 Q1 Form 10-K Financial Statement

#000110450623000009 Filed on February 23, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$INSM INSMED Inc Stock $insm

2023 Q1 Form 10-K Financial Statement

#000110450623000009 Filed on February 23, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$INSM
INSMED Inc Stock $insm