$INSM
INSMED Inc Stock $insm

$insm Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000110450624000008 Filed on February 22, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$75.50M	$83.69M	$305.2M
YoY Change	15.77%	41.13%	24.39%
Cost Of Revenue	$17.46M	$18.44M	$65.57M
YoY Change	26.23%	41.12%	18.95%
Gross Profit	$58.04M	$65.25M	$239.6M
YoY Change	12.96%	41.14%	25.97%
Gross Profit Margin	76.88%	77.96%	78.52%
Selling, General & Admin	$93.10M	$89.53M	$344.5M
YoY Change	16.5%	21.84%	29.62%
% of Gross Profit	160.4%	137.21%	143.76%
Research & Development	$121.1M	$137.0M	$571.0M
YoY Change	-5.3%	9.83%	43.64%
% of Gross Profit	208.61%	210.01%	238.28%
Depreciation & Amortization	$1.588M	$3.411M	$5.500M
YoY Change	27.24%	-4.21%	3.77%
% of Gross Profit	2.74%	5.23%	2.3%
Operating Expenses	$121.1M	$227.8M	$571.0M
YoY Change	-5.3%	14.19%	43.64%
Operating Profit	-$145.5M	-$162.6M	-$709.6M
YoY Change	-1.79%	6.07%	55.17%
Interest Expense	$21.04M	-$10.93M	$81.69M
YoY Change	5.19%	34.5%	208.91%
% of Operating Profit
Other Income/Expense, Net	-$1.100M	$4.140M	$1.856M
YoY Change	890.99%	-1145.45%	-131.25%
Pretax Income	-$156.5M	-$185.1M	-$747.0M
YoY Change	-1.74%	15.67%	55.58%
Income Tax	$600.0K	$998.0K	$2.555M
% Of Pretax Income
Net Earnings	-$157.1M	-$186.1M	-$749.6M
YoY Change	-1.67%	16.2%	55.66%
Net Earnings / Revenue	-208.07%	-222.31%	-245.59%
Basic Earnings Per Share	-$1.06		-$5.34
Diluted Earnings Per Share	-$1.06	-$1.28	-$5.34
COMMON SHARES
Basic Shares Outstanding	148.5M shares	143.1M shares	140.4M shares
Diluted Shares Outstanding	148.5M shares		140.4M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$595.7M	$780.4M	$780.4M
YoY Change	-40.35%	-32.03%	-32.03%
Cash & Equivalents	$595.7M	$482.4M	$482.4M
Short-Term Investments	$0.00	$298.1M	$298.1M
Other Short-Term Assets	$42.87M	$24.18M	$24.18M
YoY Change	50.21%	-5.06%	-5.06%
Inventory	$82.96M	$83.25M	$83.25M
Prepaid Expenses
Receivables	$37.16M	$41.19M	$41.19M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$758.7M	$929.1M	$929.1M
YoY Change	-32.8%	-27.04%	-27.04%
LONG-TERM ASSETS
Property, Plant & Equipment	$68.66M	$65.38M	$104.4M
YoY Change	15.29%	15.74%	2.26%
Goodwill	$136.1M	$136.1M
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$95.70M	$96.57M	$96.57M
YoY Change	17.68%	26.9%	26.9%
Total Long-Term Assets	$400.4M	$400.8M	$400.8M
YoY Change	3.02%	4.63%	4.63%
TOTAL ASSETS
Total Short-Term Assets	$758.7M	$929.1M	$929.1M
Total Long-Term Assets	$400.4M	$400.8M	$400.8M
Total Assets	$1.159B	$1.330B	$1.330B
YoY Change	-23.63%	-19.72%	-19.72%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$44.02M	$65.39M	$68.74M
YoY Change	-22.33%	29.59%	30.66%
Accrued Expenses	$146.9M	$154.3M	$154.3M
YoY Change	16.11%	13.09%	13.09%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$224.2M	$2.610M	$2.610M
YoY Change	10288.97%	114.46%	114.46%
Total Short-Term Liabilities	$420.9M	$225.6M	$225.6M
YoY Change	123.88%	18.6%	18.6%
LONG-TERM LIABILITIES
Long-Term Debt	$939.1M	$1.155B	$1.182B
YoY Change	-17.06%	2.67%	2.38%
Other Long-Term Liabilities	$3.166M	$3.145M	$253.8M
YoY Change	-67.94%	-66.5%	13.63%
Total Long-Term Liabilities	$942.2M	$1.158B	$1.436B
YoY Change	-17.5%	2.1%	4.2%
TOTAL LIABILITIES
Total Short-Term Liabilities	$420.9M	$225.6M	$225.6M
Total Long-Term Liabilities	$942.2M	$1.158B	$1.436B
Total Liabilities	$1.624B	$1.662B	$1.662B
YoY Change	3.94%	5.95%	5.95%
SHAREHOLDERS EQUITY
Retained Earnings	-$3.603B	-$3.446B
YoY Change	26.15%	27.8%
Common Stock	$1.486M	$1.480M
YoY Change	8.94%	9.06%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	-$464.8M	-$331.9M	-$331.9M
YoY Change
Total Liabilities & Shareholders Equity	$1.159B	$1.330B	$1.330B
YoY Change	-23.63%	-19.72%	-19.72%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	-$157.1M	-$186.1M	-$749.6M
YoY Change	-1.67%	16.2%	55.66%
Depreciation, Depletion And Amortization	$1.588M	$3.411M	$5.500M
YoY Change	27.24%	-4.21%	3.77%
Cash From Operating Activities	-$184.0M	-$130.8M	-$536.2M
YoY Change	25.79%	26.82%	33.91%
INVESTING ACTIVITIES
Capital Expenditures	$4.679M	$2.148M	$13.29M
YoY Change	37.7%	-54.21%	34.52%
Acquisitions
YoY Change
Other Investing Activities	$300.0M	$3.954M	-$210.3M
YoY Change	566.67%	-84.18%	751.27%
Cash From Investing Activities	$295.3M	$1.806M	-$223.6M
YoY Change	609.87%	-91.11%	546.55%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$152.5M
YoY Change			-47.81%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$3.022M	123.3M	$168.4M
YoY Change	-857.39%	-83.42%	-78.77%
NET CHANGE
Cash From Operating Activities	-$184.0M	-130.8M	-$536.2M
Cash From Investing Activities	$295.3M	1.806M	-$223.6M
Cash From Financing Activities	$3.022M	123.3M	$168.4M
Net Change In Cash	$113.4M	-5.752M	-$591.7M
YoY Change	-207.82%	-100.87%	-265.61%
FREE CASH FLOW
Cash From Operating Activities	-$184.0M	-$130.8M	-$536.2M
Capital Expenditures	$4.679M	$2.148M	$13.29M
Free Cash Flow	-$188.7M	-$133.0M	-$549.5M
YoY Change	26.06%	23.3%	33.93%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-5.34
CY2023	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-2214000	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
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
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-433879000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1714000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	17456000	usd
CY2023	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2265000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2528000	usd
CY2023	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	20074000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	140433000	shares
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	22037000	usd
CY2023	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	152475000	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	292153000	usd
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0001104506
CY2021	us-gaap	Revenue From Contract With Customer Product And Service Extensible List RevenueFromContractWithCustomerProductAndServiceExtensibleList	http://fasb.org/us-gaap/2023#ProductMember
CY2023	us-gaap	Revenue From Contract With Customer Product And Service Extensible List RevenueFromContractWithCustomerProductAndServiceExtensibleList	http://fasb.org/us-gaap/2023#ProductMember
CY2022	us-gaap	Revenue From Contract With Customer Product And Service Extensible List RevenueFromContractWithCustomerProductAndServiceExtensibleList	http://fasb.org/us-gaap/2023#ProductMember
CY2023	us-gaap	Type Of Cost Good Or Service Extensible List TypeOfCostGoodOrServiceExtensibleList	http://fasb.org/us-gaap/2023#ProductMember
CY2021	us-gaap	Type Of Cost Good Or Service Extensible List TypeOfCostGoodOrServiceExtensibleList	http://fasb.org/us-gaap/2023#ProductMember
CY2022	us-gaap	Type Of Cost Good Or Service Extensible List TypeOfCostGoodOrServiceExtensibleList	http://fasb.org/us-gaap/2023#ProductMember
CY2021	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2023#AccountingStandardsUpdate202006Member
CY2023	us-gaap	Research And Development Asset Acquired Other Than Through Business Combination Written Off Statement Of Income Or Comprehensive Income Extensible Enumeration ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOffStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2023#ResearchAndDevelopmentExpense
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	0-30739
CY2023	dei	Entity Registrant Name EntityRegistrantName	INSMED INC
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	VA
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	54-1972729
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	700 US Highway 202/206
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Bridgewater
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	NJ
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	08807
CY2023	dei	City Area Code CityAreaCode	908
CY2023	dei	Local Phone Number LocalPhoneNumber	977-9900
CY2023	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
CY2023	dei	Trading Symbol TradingSymbol	INSM
CY2023	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	3000000000	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	148491583	shares
CY2023Q4	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2023Q4	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2023	dei	Auditor Firm AuditorFirmId	42
CY2023	dei	Auditor Name AuditorName	Ernst & Young LLP
CY2023	dei	Auditor Location AuditorLocation	Iselin, New Jersey
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	482374000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1074036000	usd
CY2023Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	298073000	usd
CY2022Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	74244000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	41189000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	29713000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	83248000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	69922000	usd
CY2023Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	24179000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	25468000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	929063000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	1273383000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	65384000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	56491000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	20985000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	23697000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	18017000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	21894000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	63704000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	68756000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	136110000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	136110000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	96574000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	76104000	usd
CY2023Q4	us-gaap	Assets Assets	1329837000	usd
CY2022Q4	us-gaap	Assets Assets	1656435000	usd
CY2023Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	214987000	usd
CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	182117000	usd
CY2023Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	2610000	usd
CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	1217000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	-375094000	usd
CY2023	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	42132000	usd
CY2022	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	11081000	usd
CY2023	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	28697000	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
CY2023	us-gaap	Costs And Expenses CostsAndExpenses	1014834000	usd
CY2022	us-gaap	Costs And Expenses CostsAndExpenses	702679000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	8032000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6909000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	225629000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	190243000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1155313000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1125250000	usd
CY2023Q4	us-gaap	Accrued Royalties Current And Noncurrent AccruedRoyaltiesCurrentAndNoncurrent	155034000	usd
CY2022Q4	us-gaap	Accrued Royalties Current And Noncurrent AccruedRoyaltiesCurrentAndNoncurrent	148015000	usd
CY2023Q4	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	84600000	usd
CY2022Q4	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	51100000	usd
CY2023Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	27026000	usd
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	29636000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	11013000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	14853000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	3145000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	9387000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	1661760000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	1568484000	usd
CY2023Q4	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
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	147977960	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	147977960	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	135653731	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	135653731	shares
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	1480000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	1357000	usd
CY2023Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	3113487000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	2782416000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-3446145000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-2696578000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-745000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	756000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	-331923000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	87951000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1329837000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1656435000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	305208000	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
CY2023	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	65573000	usd
CY2022	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	55126000	usd
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	44152000	usd
CY2023	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	571011000	usd
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	397518000	usd
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	272744000	usd
CY2023	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	344501000	usd
CY2022	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	265784000	usd
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	234273000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5052000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5053000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5052000	usd
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	563555000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	-709626000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	-457321000	usd
CY2021	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	174000	usd
CY2023	us-gaap	Interest Expense InterestExpense	81694000	usd
CY2022	us-gaap	Interest Expense InterestExpense	26446000	usd
CY2021	us-gaap	Interest Expense InterestExpense	40473000	usd
CY2023	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	320000	usd
CY2022	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-1526000	usd
CY2021	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	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
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1856000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-5939000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-3330000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-747012000	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
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2555000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1383000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1758000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-749567000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-481534000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-434654000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-5.34
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-3.88
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.88
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	140433000	shares
CY2023	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	713000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-751068000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-481746000	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	insm	Stock Issued During Period Value Deferred Payments For Acquisitions StockIssuedDuringPeriodValueDeferredPaymentsForAcquisitions	4296000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-749567000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1501000	usd
CY2023	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	18399000	usd
CY2023	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	152475000	usd
CY2023	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	5000	usd
CY2023	insm	Stock Issued During Period Value Deferred Payments For Acquisitions StockIssuedDuringPeriodValueDeferredPaymentsForAcquisitions	3897000	usd
CY2023	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	81640000	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	74778000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	-331923000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-749567000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-481534000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-434654000	usd
CY2023	us-gaap	Depreciation Depreciation	5527000	usd
CY2022	us-gaap	Depreciation Depreciation	5278000	usd
CY2021	us-gaap	Depreciation Depreciation	9130000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5052000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5053000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5052000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	74778000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	57686000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	46021000	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	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
CY2023	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	7320000	usd
CY2022	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3991000	usd
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1890000	usd
CY2023	us-gaap	Accretion Expense AccretionExpense	0	usd
CY2022	us-gaap	Accretion Expense AccretionExpense	0	usd
CY2021	us-gaap	Accretion Expense AccretionExpense	29149000	usd
CY2023	us-gaap	Paid In Kind Interest PaidInKindInterest	23372000	usd
CY2022	us-gaap	Paid In Kind Interest PaidInKindInterest	4165000	usd
CY2021	us-gaap	Paid In Kind Interest PaidInKindInterest	0	usd
CY2023	us-gaap	Other Noncash Expense OtherNoncashExpense	18846000	usd
CY2022	us-gaap	Other Noncash Expense OtherNoncashExpense	3687000	usd
CY2021	us-gaap	Other Noncash Expense OtherNoncashExpense	0	usd
CY2023	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	9383000	usd
CY2022	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	0	usd
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	0	usd
CY2023	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	2712000	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
CY2023	insm	Noncash Operating Lease Expense NoncashOperatingLeaseExpense	9206000	usd
CY2022	insm	Noncash Operating Lease Expense NoncashOperatingLeaseExpense	11976000	usd
CY2021	insm	Noncash Operating Lease Expense NoncashOperatingLeaseExpense	12589000	usd
CY2023	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	28697000	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
CY2023	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	320000	usd
CY2022	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-1526000	usd
CY2021	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	usd
CY2023	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	11963000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	6423000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	8118000	usd
CY2023	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	13613000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	5549000	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
CY2023	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	15155000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	50011000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-7575000	usd
CY2023	insm	Increase Decrease In Accrued Liabilities Accrued Compensation And Other Current Liabilities IncreaseDecreaseInAccruedLiabilitiesAccruedCompensationAndOtherCurrentLiabilities	-10988000	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
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-536247000	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
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	13288000	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
CY2023	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	588733000	usd
CY2022	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	99706000	usd
CY2021	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	50292000	usd
CY2023	insm	Proceeds From Cash Acquired In Asset Acquisition ProceedsFromCashAcquiredInAssetAcquisition	3417000	usd
CY2022	insm	Proceeds From Cash Acquired In Asset Acquisition ProceedsFromCashAcquiredInAssetAcquisition	0	usd
CY2021	insm	Proceeds From Cash Acquired In Asset Acquisition ProceedsFromCashAcquiredInAssetAcquisition	0	usd
CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	375000000	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
CY2023	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	usd
CY2022	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	usd
CY2021	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	6704000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-64285000	usd
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	19504000	usd
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	269886000	usd
CY2023	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	usd
CY2022	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	usd
CY2021	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	12578000	usd
CY2023	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	0	usd
CY2022	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	0	usd
CY2021	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	225000000	usd
CY2023	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	0	usd
CY2022	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	0	usd
CY2021	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	575000000	usd
CY2023	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	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
CY2023	insm	Proceeds From Royalty Financing ProceedsFromRoyaltyFinancing	0	usd
CY2022	insm	Proceeds From Royalty Financing ProceedsFromRoyaltyFinancing	150000000	usd
CY2021	insm	Proceeds From Royalty Financing ProceedsFromRoyaltyFinancing	0	usd
CY2023	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1218000	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	17783000	usd
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	15718000	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1217000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	601000	usd
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1081000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	168439000	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
CY2023	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-250000	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
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-591662000	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
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
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	482374000	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
CY2023	us-gaap	Interest Paid Net InterestPaidNet	35787000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	10157000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	10890000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1955000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1717000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1558000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	482400000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	298100000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-749600000	usd
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<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%">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 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 in process research and development (IPR&D) and goodwill, fair value of contingent consideration, and accounting for research and development costs. Actual results could differ from those estimates.</span></div>
CY2023	us-gaap	Number Of Reporting Units NumberOfReportingUnits	1	reportingunit
CY2023	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>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 uncollectible trade receivables.<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>
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-749567000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-481534000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-434654000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	140433000	shares
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
CY2023	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	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
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	140433000	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
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-5.34
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-5.34
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.91
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-3.91
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.88
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-3.88
CY2023	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2023	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2023	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	588700000	usd
CY2023	us-gaap	Available For Sale Debt Securities Gross Unrealized Loss AvailableForSaleDebtSecuritiesGrossUnrealizedLoss	700000	usd
CY2022	us-gaap	Available For Sale Debt Securities Gross Unrealized Loss AvailableForSaleDebtSecuritiesGrossUnrealizedLoss	500000	usd
CY2023	insm	Fair Value Level1 Level2 Level3 Transfers Amount FairValueLevel1Level2Level3TransfersAmount	0	usd
CY2022	insm	Fair Value Level1 Level2 Level3 Transfers Amount FairValueLevel1Level2Level3TransfersAmount	0	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	305208000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	245358000	usd
CY2022Q4	insm	Revenue Reversal Due To Agreement RevenueReversalDueToAgreement	5800000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	19796000	usd
CY2023	insm	Contract With Customer Asset Allowance For Current Period Sales ContractWithCustomerAssetAllowanceForCurrentPeriodSales	46328000	usd
CY2023	insm	Contract With Customer Asset Allowance For Prior Period Sales ContractWithCustomerAssetAllowanceForPriorPeriodSales	-118000	usd
CY2023	insm	Contract With Customer Assets Allowance For Credit Loss Payments And Credits ContractWithCustomerAssetsAllowanceForCreditLossPaymentsAndCredits	40347000	usd
CY2023Q4	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	25659000	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 Payments And Credits ContractWithCustomerAssetsAllowanceForCreditLossPaymentsAndCredits	30780000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	19796000	usd
CY2023Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	24562000	usd
CY2022Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	27245000	usd
CY2023Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	33480000	usd
CY2022Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	22460000	usd
CY2023Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	25206000	usd
CY2022Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	20217000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	83248000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	69922000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P12Y
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	5100000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	5100000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5100000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	5100000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	5100000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	68756000	usd
CY2023	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	0	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5052000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	63704000	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
CY2023Q4	us-gaap	Goodwill Goodwill	136100000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	136100000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	110012000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	95936000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	44628000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	39445000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	65384000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	56491000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	5500000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	5300000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	9100000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1960000	usd
CY2023	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	2417000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1808000	usd
CY2023	insm	Finance Lease Cost FinanceLeaseCost	5129000	usd
CY2022	insm	Finance Lease Cost FinanceLeaseCost	3768000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	10385000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	12920000	usd
CY2023	us-gaap	Variable Lease Cost VariableLeaseCost	14148000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	11254000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	65393000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	50461000	usd
CY2023Q4	insm	Accrued Clinical Trial Expenses AccruedClinicalTrialExpenses	23711000	usd
CY2022Q4	insm	Accrued Clinical Trial Expenses AccruedClinicalTrialExpenses	36456000	usd
CY2023Q4	us-gaap	Accrued Professional Fees Current And Noncurrent AccruedProfessionalFeesCurrentAndNoncurrent	13885000	usd
CY2022Q4	us-gaap	Accrued Professional Fees Current And Noncurrent AccruedProfessionalFeesCurrentAndNoncurrent	14403000	usd
CY2023Q4	insm	Accrued Technical Operation Expenses AccruedTechnicalOperationExpenses	9187000	usd
CY2022Q4	insm	Accrued Technical Operation Expenses AccruedTechnicalOperationExpenses	3345000	usd
CY2023Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	48933000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	32040000	usd
CY2023Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	5674000	usd
CY2022Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	4710000	usd
CY2023Q4	us-gaap	Interest Payable Current InterestPayableCurrent	2175000	usd
CY2022Q4	us-gaap	Interest Payable Current InterestPayableCurrent	6340000	usd
CY2023Q4	insm	Revenue Interest Payments Payable RevenueInterestPaymentsPayable	3347000	usd
CY2022Q4	insm	Revenue Interest Payments Payable RevenueInterestPaymentsPayable	2149000	usd
CY2023Q4	insm	Accrued Sales Allowancesand Related Costs AccruedSalesAllowancesandRelatedCosts	10937000	usd
CY2022Q4	insm	Accrued Sales Allowancesand Related Costs AccruedSalesAllowancesandRelatedCosts	6974000	usd
CY2023Q4	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	14685000	usd
CY2022Q4	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	12943000	usd
CY2023Q4	insm	Deferred And Contingent Consideration Current DeferredAndContingentConsiderationCurrent	6700000	usd
CY2022Q4	insm	Deferred And Contingent Consideration Current DeferredAndContingentConsiderationCurrent	10700000	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	10360000	usd
CY2022Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1596000	usd
CY2023Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	214987000	usd
CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	182117000	usd
CY2023	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	2712000	usd
CY2023	us-gaap	Lease Cost LeaseCost	29662000	usd
CY2022	us-gaap	Lease Cost LeaseCost	27942000	usd
CY2023	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	2417000	usd
CY2022	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	1907000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	9098000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	11450000	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1217000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	601000	usd
CY2023	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 Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	16741000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5329000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	565000	usd
CY2023Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P7Y7M6D
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P8Y7M6D
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P2Y6M
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y2M12D
CY2023Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.079
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.079
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.076
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.070
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	4840000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	8701000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	4967000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	8219000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	5097000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	2106000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	5228000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	654000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	5361000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	408000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	14157000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	70000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	39650000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	20158000	usd
CY2023Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	10014000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1113000	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	29636000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	19045000	usd
CY2023Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	2610000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	8032000	usd
CY2023Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	27026000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	11013000	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	29636000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	19045000	usd
CY2023	insm	Lessee Operating Lease Lease Not Yet Commenced Amount LesseeOperatingLeaseLeaseNotYetCommencedAmount	49100000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1155313000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1125250000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	225000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	188769000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	188768000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	575000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	0	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	1177537000	usd
CY2023	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	7320000	usd
CY2022	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3991000	usd
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1890000	usd
CY2023	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	usd
CY2022	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	usd
CY2021	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	29149000	usd
CY2023	insm	Interest Income Expense Other InterestIncomeExpenseOther	-1882000	usd
CY2022	insm	Interest Income Expense Other InterestIncomeExpenseOther	380000	usd
CY2021	insm	Interest Income Expense Other InterestIncomeExpenseOther	0	usd
CY2023	insm	Interest Expense Excluding Finance Lease Interest Expense InterestExpenseExcludingFinanceLeaseInterestExpense	79277000	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
CY2023	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	2417000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1808000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	17525296	shares
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1300000	usd
CY2023	us-gaap	Interest Expense InterestExpense	81694000	usd
CY2022	us-gaap	Interest Expense InterestExpense	26446000	usd
CY2021	us-gaap	Interest Expense InterestExpense	40473000	usd
CY2023Q4	us-gaap	Accrued Royalties Current And Noncurrent AccruedRoyaltiesCurrentAndNoncurrent	155034000	usd
CY2022Q4	us-gaap	Accrued Royalties Current And Noncurrent AccruedRoyaltiesCurrentAndNoncurrent	148015000	usd
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	147977960	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	147977960	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
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	7180171	shares
CY2023	insm	Share Based Compensation Arrangement By Share Based Payment Award Inducement Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardInducementOptionsGrantsInPeriodGross	2674290	shares
CY2022	insm	Share Based Compensation Arrangement By Share Based Payment Award Inducement Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardInducementOptionsGrantsInPeriodGross	1068310	shares
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
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	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	20.89
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 Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	21.93
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
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	6650880	shares
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	20.20
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CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	16.03
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$INSM
INSMED Inc Stock $insm

2024 Q1 Form 10-K Financial Statement

#000110450624000008 Filed on February 22, 2024

Income Statement

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Facts In Submission

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$INSM INSMED Inc Stock $insm

2024 Q1 Form 10-K Financial Statement

#000110450624000008 Filed on February 22, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$INSM
INSMED Inc Stock $insm