$KOS
Kosmos Energy Ltd. Stock $kos

$kos Overview Financials Valuation SEC Filings Company Website

2024 Q4 Form 10-Q Financial Statement

#000150999124000087 Filed on November 04, 2024

Income Statement

Concept	2024 Q4	2024 Q3
Revenue		$407.8M
YoY Change		-22.52%
Cost Of Revenue		$133.5M
YoY Change		-3.84%
Gross Profit		$274.3M
YoY Change		-29.23%
Gross Profit Margin		67.27%
Selling, General & Admin		$23.30M
YoY Change		-7.18%
% of Gross Profit		8.49%
Research & Development		$14.70M
YoY Change		42.69%
% of Gross Profit		5.36%
Depreciation & Amortization		$122.9M
YoY Change		-8.84%
% of Gross Profit		44.8%
Operating Expenses		$161.0M
YoY Change		-5.99%
Operating Profit		$113.4M
YoY Change		-47.61%
Interest Expense		-$6.858M
YoY Change		-90.26%
% of Operating Profit		-6.05%
Other Income/Expense, Net		-$2.227M
YoY Change		-79.86%
Pretax Income		$106.6M
YoY Change		-22.53%
Income Tax		$61.58M
% Of Pretax Income		57.79%
Net Earnings		$44.97M
YoY Change		-47.2%
Net Earnings / Revenue		11.03%
Basic Earnings Per Share		$0.10
Diluted Earnings Per Share		$0.09
COMMON SHARES
Basic Shares Outstanding	471.9M shares	471.8M shares
Diluted Shares Outstanding		479.2M shares

Balance Sheet

Concept	2024 Q4	2024 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments		$51.58M
YoY Change		-62.81%
Cash & Equivalents		$51.58M
Short-Term Investments
Other Short-Term Assets		$207.5M
YoY Change		319.27%
Inventory		$154.9M
Prepaid Expenses
Receivables		$162.0M
Other Receivables		$18.97M
Total Short-Term Assets		$421.1M
YoY Change		-8.82%
LONG-TERM ASSETS
Property, Plant & Equipment		$4.694B
YoY Change		12.31%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments		$0.00
YoY Change		-100.0%
Other Assets		$355.4M
YoY Change		1100.75%
Total Long-Term Assets		$5.050B
YoY Change		12.03%
TOTAL ASSETS
Total Short-Term Assets		$421.1M
Total Long-Term Assets		$5.050B
Total Assets		$5.471B
YoY Change		10.09%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable		$285.0M
YoY Change		43.17%
Accrued Expenses		$277.8M
YoY Change		-18.02%
Deferred Revenue		$23.72M
YoY Change		-5.4%
Short-Term Debt		$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities		$563.2M
YoY Change		-0.21%
LONG-TERM LIABILITIES
Long-Term Debt		$2.692B
YoY Change		12.67%
Other Long-Term Liabilities		$250.3M
YoY Change		0.14%
Total Long-Term Liabilities		$3.711B
YoY Change		8.97%
TOTAL LIABILITIES
Total Short-Term Liabilities		$563.2M
Total Long-Term Liabilities		$3.711B
Total Liabilities		$4.274B
YoY Change		7.67%
SHAREHOLDERS EQUITY
Retained Earnings		-$1.076B
YoY Change		-16.86%
Common Stock		$2.510B
YoY Change		-0.83%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$237.0M
YoY Change		0.0%
Treasury Stock Shares
Shareholders Equity		$1.197B
YoY Change
Total Liabilities & Shareholders Equity		$5.471B
YoY Change		10.09%

Cashflow Statement

Concept	2024 Q4	2024 Q3
OPERATING ACTIVITIES
Net Income		$44.97M
YoY Change		-47.2%
Depreciation, Depletion And Amortization		$122.9M
YoY Change		-8.84%
Cash From Operating Activities		$6.282M
YoY Change		-97.48%
INVESTING ACTIVITIES
Capital Expenditures		$219.2M
YoY Change		12.43%
Acquisitions
YoY Change
Other Investing Activities		$0.00
YoY Change		-100.0%
Cash From Investing Activities		-$219.2M
YoY Change		5.25%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		90.73M
YoY Change		656.09%
NET CHANGE
Cash From Operating Activities		6.282M
Cash From Investing Activities		-219.2M
Cash From Financing Activities		90.73M
Net Change In Cash		-122.2M
YoY Change		-330.19%
FREE CASH FLOW
Cash From Operating Activities		$6.282M
Capital Expenditures		$219.2M
Free Cash Flow		-$213.0M
YoY Change		-491.48%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0001509991
	dei	Amendment Flag AmendmentFlag	false
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	2575000	usd
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	46632000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-774813000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-658546000	usd
	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	275000000	usd
	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	300000000	usd
CY2024Q3	us-gaap	Inventory Supplies Net Of Reserves InventorySuppliesNetOfReserves	151200000	usd
CY2024Q3	us-gaap	Energy Related Inventory Petroleum EnergyRelatedInventoryPetroleum	3700000	usd
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity Registrant Name EntityRegistrantName	Kosmos Energy Ltd.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	98-0686001
	dei	Entity Address Address Line1 EntityAddressAddressLine1	8176 Park Lane
	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
	dei	Security12b Title Security12bTitle	Common Stock $0.01 par value
	dei	Trading Symbol TradingSymbol	KOS
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Country Region CountryRegion	+1
	dei	City Area Code CityAreaCode	214
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	787848000	usd
CY2023Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10093000	usd
	dei	Document Period End Date DocumentPeriodEndDate	2024-09-30
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	479738000	shares
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	75231
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
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CY2023Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	343979000	usd
CY2024Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	376885000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	363918000	usd
CY2024Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	250346000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	252156000	usd
CY2023Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	3350967000	usd
CY2024Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2024Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
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CY2024Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	3710813000	usd
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
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CY2024Q3	us-gaap	Common Stock Value CommonStockValue	5161000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	5044000	usd
CY2024Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	2504637000	usd
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CY2023Q3	us-gaap	Revenues Revenues	526348000	usd
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	44263269	shares
CY2024Q3	us-gaap	Receivables Net Current ReceivablesNetCurrent	161967000	usd
CY2023Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	120733000	usd
CY2024Q3	us-gaap	Inventory Net InventoryNet	154882000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	152054000	usd
CY2024Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	41581000	usd
CY2024Q3	kos	Interest Expense Income Net InterestExpenseIncomeNet	22112000	usd
CY2023Q3	kos	Interest Expense Income Net InterestExpenseIncomeNet	25440000	usd
CY2024Q3	kos	Gain Loss On Commodity Derivative Instruments Net Pretax GainLossOnCommodityDerivativeInstrumentsNetPretax	15254000	usd
CY2023Q3	kos	Gain Loss On Commodity Derivative Instruments Net Pretax GainLossOnCommodityDerivativeInstrumentsNetPretax	-45971000	usd
CY2024Q3	us-gaap	Revenues Revenues	407794000	usd
CY2023Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-11055000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	61578000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	44974000	usd
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.10
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.09
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.18
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	471816000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	460108000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	479190000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	481099000	shares
CY2023Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	usd
CY2023Q1	kos	Tax Withholdings For Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Used To Cover Employee Taxes And Cash Settlements TaxWithholdingsForShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsUsedToCoverEmployeeTaxesAndCashSettlements	11810000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	83309000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	869440000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	85185000	usd
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Entity Address City Or Town EntityAddressCityOrTown	Dallas,
	dei	Local Phone Number LocalPhoneNumber	445 9600
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2024Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	471895480	shares
CY2024Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	51581000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	95345000	usd
CY2023Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	46235000	usd
CY2024Q3	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	11077000	usd
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CY2024Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	305000	usd
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CY2024Q3	us-gaap	Oil And Gas Joint Interest Billing Receivables Noncurrent OilAndGasJointInterestBillingReceivablesNoncurrent	333493000	usd
CY2023Q4	us-gaap	Oil And Gas Joint Interest Billing Receivables Noncurrent OilAndGasJointInterestBillingReceivablesNoncurrent	325181000	usd
CY2024Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	4720000	usd
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CY2024Q3	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	0	usd
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CY2024Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	277752000	usd
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CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
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CY2023Q4	us-gaap	Treasury Stock Value TreasuryStockValue	237007000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	1196900000	usd
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CY2024Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5470946000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4938134000	usd
CY2024Q3	us-gaap	Revenues Revenues	407794000	usd
	us-gaap	Revenues Revenues	1277797000	usd
	us-gaap	Revenues Revenues	1193843000	usd
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	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	109000	usd
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-115000	usd
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	kos	Revenue And Other Income RevenueAndOtherIncome	1277906000	usd
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	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	377822000	usd
	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	286297000	usd
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	us-gaap	Exploration Expense ExplorationExpense	39992000	usd
	us-gaap	Exploration Expense ExplorationExpense	33305000	usd
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	us-gaap	Interest Paid InterestPaid	132700000	usd
	us-gaap	Interest Paid InterestPaid	150700000	usd
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	kos	Interest Expense Income Net InterestExpenseIncomeNet	75839000	usd
	kos	Interest Expense Income Net InterestExpenseIncomeNet	74379000	usd
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	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	126000000	usd
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	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	76724000	usd
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	us-gaap	Results Of Operations Depreciation Depletion Amortization And Accretion ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion	311750000	usd
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	kos	Interest Expense Income Net InterestExpenseIncomeNet	75839000	usd
	kos	Interest Expense Income Net InterestExpenseIncomeNet	74379000	usd
	kos	Gain Loss On Commodity Derivative Instruments Net Pretax GainLossOnCommodityDerivativeInstrumentsNetPretax	-5716000	usd
	kos	Gain Loss On Commodity Derivative Instruments Net Pretax GainLossOnCommodityDerivativeInstrumentsNetPretax	-42162000	usd
CY2024Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2227000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-6418000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-17864000	usd
CY2024Q3	us-gaap	Costs And Expenses CostsAndExpenses	301279000	usd
CY2023Q3	us-gaap	Costs And Expenses CostsAndExpenses	389005000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	894261000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	863372000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	106552000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	137541000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	383645000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	330356000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	52356000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	187215000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	138517000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	85185000	usd
	us-gaap	Net Income Loss NetIncomeLoss	196430000	usd
	us-gaap	Net Income Loss NetIncomeLoss	191839000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.41
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	470491000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	459477000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	478701000	shares
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	1032337000	usd
CY2024Q1	kos	Adjustments To Additional Paid In Capital Equity Component Of Capped Call Transaction AdjustmentsToAdditionalPaidInCapitalEquityComponentOfCappedCallTransaction	49800000	usd
CY2024Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7333000	usd
CY2024Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	usd
CY2024Q1	kos	Tax Withholdings For Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Used To Cover Employee Taxes And Cash Settlements TaxWithholdingsForShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsUsedToCoverEmployeeTaxesAndCashSettlements	9921000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	91686000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	1071635000	usd
CY2024Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10487000	usd
CY2024Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	usd
CY2024Q2	kos	Tax Withholdings For Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Used To Cover Employee Taxes And Cash Settlements TaxWithholdingsForShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsUsedToCoverEmployeeTaxesAndCashSettlements	1000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	59770000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	1141891000	usd
CY2024Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10034000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	usd
CY2024Q3	kos	Tax Withholdings For Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Used To Cover Employee Taxes And Cash Settlements TaxWithholdingsForShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsUsedToCoverEmployeeTaxesAndCashSettlements	-1000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	44974000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	1196900000	usd
CY2023Q2	us-gaap	Adjustments To Additional Paid In Capital Dividends In Excess Of Retained Earnings AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings	1000	usd
CY2024Q3	us-gaap	Treasury Stock Value TreasuryStockValue	237007000	usd
CY2023Q4	us-gaap	Treasury Stock Value TreasuryStockValue	237007000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	1196900000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	1032337000	usd
CY2024Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5470946000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4938134000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	212352000	usd
	us-gaap	Nature Of Operations NatureOfOperations	Organization<div style="text-indent:63pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Kosmos Energy Ltd. is incorporated in the State of Delaware as a holding company for Kosmos Energy Delaware Holdings, LLC, a Delaware limited liability company. As a holding company, Kosmos Energy Ltd.’s management operations are conducted through a wholly-owned subsidiary, Kosmos Energy, LLC. The terms “Kosmos,” the “Company,” “we,” “us,” “our,” “ours,” and similar terms refer to Kosmos Energy Ltd. and its wholly-owned subsidiaries, unless the context indicates otherwise.</span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Kosmos is a full-cycle, deepwater, independent oil and gas exploration and production company focused along the offshore Atlantic Margins. Our key assets include production offshore Ghana, Equatorial Guinea and the U.S. Gulf of Mexico, as well as world-class gas projects offshore Mauritania and Senegal. We also pursue a proven basin exploration program in Equatorial Guinea and the U.S. Gulf of Mexico. Kosmos is listed on the NYSE and LSE and is traded under the ticker symbol KOS.</span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Kosmos is engaged in a single line of business, which is the exploration, development, and production of oil and natural gas. Substantially all of our long-lived assets and all of our product sales are related to operations in four geographic areas: Ghana, Equatorial Guinea, Mauritania/Senegal and the U.S. Gulf of Mexico.</span></div>
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	4	segment
CY2023Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	11121000	usd
CY2023Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	usd
CY2023Q2	kos	Tax Withholdings For Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Used To Cover Employee Taxes And Cash Settlements TaxWithholdingsForShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsUsedToCoverEmployeeTaxesAndCashSettlements	1000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	23345000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	903904000	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10580000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	85185000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	999669000	usd
	us-gaap	Net Income Loss NetIncomeLoss	196430000	usd
	us-gaap	Net Income Loss NetIncomeLoss	191839000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	318564000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	339177000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	11280000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-37481000	usd
	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	3872000	usd
	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	2244000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-11808000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-52467000	usd
	kos	Cash Settlements On Commodity Derivatives Net CashSettlementsOnCommodityDerivativesNet	-10000000.0	usd
	kos	Cash Settlements On Commodity Derivatives Net CashSettlementsOnCommodityDerivativesNet	-12300000	usd
	kos	Cash Settlements On Derivatives Net CashSettlementsOnDerivativesNet	-14754000	usd
	kos	Cash Settlements On Derivatives Net CashSettlementsOnDerivativesNet	-21478000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	27849000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	31778000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-24794000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-1503000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	12126000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2547000	usd
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	33304000	usd
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	5766000	usd
	kos	Increase Decrease In Inventories And Prepaid Expense IncreaseDecreaseInInventoriesAndPrepaidExpense	2320000	usd
	kos	Increase Decrease In Inventories And Prepaid Expense IncreaseDecreaseInInventoriesAndPrepaidExpense	49767000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-29591000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-35669000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	502502000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	471394000	usd
	us-gaap	Payments To Acquire Oil And Gas Equipment PaymentsToAcquireOilAndGasEquipment	772238000	usd
	us-gaap	Payments To Acquire Oil And Gas Equipment PaymentsToAcquireOilAndGasEquipment	611914000	usd
	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	350000000	usd
	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	145000000	usd
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	885285000	usd
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	0	usd
	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	499515000	usd
	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	0	usd
	kos	Payments For Capped Call Transactions Financing Activities PaymentsForCappedCallTransactionsFinancingActivities	49800000	usd
	kos	Payments For Capped Call Transactions Financing Activities PaymentsForCappedCallTransactionsFinancingActivities	0	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	0	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	166000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-35534000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-12345000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	225436000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	142489000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-46875000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-44663000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	98761000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	186821000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	51886000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	142158000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	232923000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	212352000	usd
	us-gaap	Nature Of Operations NatureOfOperations	Organization<div style="text-indent:63pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Kosmos Energy Ltd. is incorporated in the State of Delaware as a holding company for Kosmos Energy Delaware Holdings, LLC, a Delaware limited liability company. As a holding company, Kosmos Energy Ltd.’s management operations are conducted through a wholly-owned subsidiary, Kosmos Energy, LLC. The terms “Kosmos,” the “Company,” “we,” “us,” “our,” “ours,” and similar terms refer to Kosmos Energy Ltd. and its wholly-owned subsidiaries, unless the context indicates otherwise.</span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Kosmos is a full-cycle, deepwater, independent oil and gas exploration and production company focused along the offshore Atlantic Margins. Our key assets include production offshore Ghana, Equatorial Guinea and the U.S. Gulf of Mexico, as well as world-class gas projects offshore Mauritania and Senegal. We also pursue a proven basin exploration program in Equatorial Guinea and the U.S. Gulf of Mexico. Kosmos is listed on the NYSE and LSE and is traded under the ticker symbol KOS.</span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Kosmos is engaged in a single line of business, which is the exploration, development, and production of oil and natural gas. Substantially all of our long-lived assets and all of our product sales are related to operations in four geographic areas: Ghana, Equatorial Guinea, Mauritania/Senegal and the U.S. Gulf of Mexico.</span></div>
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	4	segment
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Reclassifications</span></div><div style="text-align:justify;text-indent:63pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div>Certain prior period amounts have been reclassified to conform with the current presentation. Such reclassifications had no significant impact on our reported net income, current assets, total assets, current liabilities, total liabilities, stockholders’ equity or cash flows.
CY2024Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	51581000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	95345000	usd
CY2024Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	305000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	3416000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	51886000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	98761000	usd
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Reclassifications</span></div><div style="text-align:justify;text-indent:63pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div>Certain prior period amounts have been reclassified to conform with the current presentation. Such reclassifications had no significant impact on our reported net income, current assets, total assets, current liabilities, total liabilities, stockholders’ equity or cash flows.
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	95345000	usd
CY2024Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	305000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	3416000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	51886000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	98761000	usd
CY2023Q4	us-gaap	Inventory Supplies Net Of Reserves InventorySuppliesNetOfReserves	143000000.0	usd
CY2023Q4	us-gaap	Inventory Supplies Net Of Reserves InventorySuppliesNetOfReserves	143000000.0	usd
CY2023Q4	us-gaap	Energy Related Inventory Petroleum EnergyRelatedInventoryPetroleum	9100000	usd
	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Concentration of Credit Risk</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Our revenue can be materially affected by current economic conditions and the price of oil and natural gas. However, based on the current demand for crude oil and natural gas and the fact that alternative purchasers are readily available, we believe that the loss of our purchasers and/or marketing agents would not have a long‑term material adverse effect on our financial position or results of operations.</span></div>
	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Concentration of Credit Risk</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Our revenue can be materially affected by current economic conditions and the price of oil and natural gas. However, based on the current demand for crude oil and natural gas and the fact that alternative purchasers are readily available, we believe that the loss of our purchasers and/or marketing agents would not have a long‑term material adverse effect on our financial position or results of operations.</span></div>
CY2023Q4	us-gaap	Oil And Gas Joint Interest Billing Receivables Current OilAndGasJointInterestBillingReceivablesCurrent	35632000	usd
CY2024Q3	kos	Oil And Gas Joint Interest Billing Receivables Oil Sales Current OilAndGasJointInterestBillingReceivablesOilSalesCurrent	89975000	usd
CY2023Q4	kos	Oil And Gas Joint Interest Billing Receivables Oil Sales Current OilAndGasJointInterestBillingReceivablesOilSalesCurrent	64958000	usd
CY2024Q3	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	18967000	usd
CY2023Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	20143000	usd
CY2024Q3	us-gaap	Receivables Net Current ReceivablesNetCurrent	161967000	usd
CY2023Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	120733000	usd
CY2024Q3	us-gaap	Oil And Gas Joint Interest Billing Receivables Noncurrent OilAndGasJointInterestBillingReceivablesNoncurrent	333493000	usd
CY2023Q4	us-gaap	Oil And Gas Joint Interest Billing Receivables Noncurrent OilAndGasJointInterestBillingReceivablesNoncurrent	325181000	usd
CY2024Q3	us-gaap	Oil And Gas Joint Interest Billing Receivables Current OilAndGasJointInterestBillingReceivablesCurrent	53025000	usd
CY2023Q4	us-gaap	Oil And Gas Joint Interest Billing Receivables Current OilAndGasJointInterestBillingReceivablesCurrent	35632000	usd
CY2024Q3	kos	Oil And Gas Joint Interest Billing Receivables Oil Sales Current OilAndGasJointInterestBillingReceivablesOilSalesCurrent	89975000	usd
CY2023Q4	kos	Oil And Gas Joint Interest Billing Receivables Oil Sales Current OilAndGasJointInterestBillingReceivablesOilSalesCurrent	64958000	usd
CY2024Q3	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	18967000	usd
CY2023Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	20143000	usd
CY2024Q3	us-gaap	Receivables Net Current ReceivablesNetCurrent	161967000	usd
CY2023Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	120733000	usd
CY2023Q4	us-gaap	Oil And Gas Joint Interest Billing Receivables Noncurrent OilAndGasJointInterestBillingReceivablesNoncurrent	325181000	usd
CY2024Q3	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	9298000	usd
CY2023Q3	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-52687000	usd
	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-11808000	usd
	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-52467000	usd
CY2023Q3	us-gaap	Costs And Expenses CostsAndExpenses	389005000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	137541000	usd
CY2024Q3	us-gaap	Proved Oil And Gas Property Successful Effort Method ProvedOilAndGasPropertySuccessfulEffortMethod	8301777000	usd
CY2023Q4	us-gaap	Proved Oil And Gas Property Successful Effort Method ProvedOilAndGasPropertySuccessfulEffortMethod	7600252000	usd
CY2024Q3	us-gaap	Unproved Oil And Gas Property Successful Effort Method UnprovedOilAndGasPropertySuccessfulEffortMethod	541102000	usd
CY2023Q4	us-gaap	Unproved Oil And Gas Property Successful Effort Method UnprovedOilAndGasPropertySuccessfulEffortMethod	423050000	usd
CY2024Q3	us-gaap	Oil And Gas Property Successful Effort Method Gross OilAndGasPropertySuccessfulEffortMethodGross	8842879000	usd
CY2023Q4	us-gaap	Oil And Gas Property Successful Effort Method Gross OilAndGasPropertySuccessfulEffortMethodGross	8023302000	usd
CY2024Q3	us-gaap	Oil And Gas Property Successful Effort Method Accumulated Depreciation Depletion And Amortization OilAndGasPropertySuccessfulEffortMethodAccumulatedDepreciationDepletionAndAmortization	4152627000	usd
CY2023Q4	us-gaap	Oil And Gas Property Successful Effort Method Accumulated Depreciation Depletion And Amortization OilAndGasPropertySuccessfulEffortMethodAccumulatedDepreciationDepletionAndAmortization	3868946000	usd
CY2024Q3	us-gaap	Oil And Gas Property Successful Effort Method Net OilAndGasPropertySuccessfulEffortMethodNet	4690252000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	66546000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	65095000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Other Accumulated Depreciation PropertyPlantAndEquipmentOtherAccumulatedDepreciation	59222000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Other Net PropertyPlantAndEquipmentOtherNet	4183000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Other Net PropertyPlantAndEquipmentOtherNet	5873000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4694435000	usd
CY2024Q3	us-gaap	Depletion Of Oil And Gas Properties DepletionOfOilAndGasProperties	110400000	usd
CY2023Q3	us-gaap	Depletion Of Oil And Gas Properties DepletionOfOilAndGasProperties	123500000	usd
	us-gaap	Depletion Of Oil And Gas Properties DepletionOfOilAndGasProperties	283700000	usd
	us-gaap	Depletion Of Oil And Gas Properties DepletionOfOilAndGasProperties	307000000.0	usd
CY2023Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	211959000	usd
	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	26282000	usd
	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	0	usd
	us-gaap	Capitalized Exploratory Well Cost Charged To Expense1 CapitalizedExploratoryWellCostChargedToExpense1	0	usd
CY2024Q3	us-gaap	Proved Oil And Gas Property Successful Effort Method ProvedOilAndGasPropertySuccessfulEffortMethod	8301777000	usd
CY2023Q4	us-gaap	Proved Oil And Gas Property Successful Effort Method ProvedOilAndGasPropertySuccessfulEffortMethod	7600252000	usd
CY2024Q3	us-gaap	Unproved Oil And Gas Property Successful Effort Method UnprovedOilAndGasPropertySuccessfulEffortMethod	541102000	usd
CY2023Q4	us-gaap	Unproved Oil And Gas Property Successful Effort Method UnprovedOilAndGasPropertySuccessfulEffortMethod	423050000	usd
CY2024Q3	us-gaap	Oil And Gas Property Successful Effort Method Gross OilAndGasPropertySuccessfulEffortMethodGross	8842879000	usd
CY2023Q4	us-gaap	Oil And Gas Property Successful Effort Method Gross OilAndGasPropertySuccessfulEffortMethodGross	8023302000	usd
CY2024Q3	us-gaap	Oil And Gas Property Successful Effort Method Accumulated Depreciation Depletion And Amortization OilAndGasPropertySuccessfulEffortMethodAccumulatedDepreciationDepletionAndAmortization	4152627000	usd
CY2023Q4	us-gaap	Oil And Gas Property Successful Effort Method Accumulated Depreciation Depletion And Amortization OilAndGasPropertySuccessfulEffortMethodAccumulatedDepreciationDepletionAndAmortization	3868946000	usd
CY2024Q3	us-gaap	Oil And Gas Property Successful Effort Method Net OilAndGasPropertySuccessfulEffortMethodNet	4690252000	usd
CY2023Q4	us-gaap	Oil And Gas Property Successful Effort Method Net OilAndGasPropertySuccessfulEffortMethodNet	4154356000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	66546000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	65095000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Other Accumulated Depreciation PropertyPlantAndEquipmentOtherAccumulatedDepreciation	62363000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Other Accumulated Depreciation PropertyPlantAndEquipmentOtherAccumulatedDepreciation	59222000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Other Net PropertyPlantAndEquipmentOtherNet	4183000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Other Net PropertyPlantAndEquipmentOtherNet	5873000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4694435000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4160229000	usd
CY2024Q3	us-gaap	Depletion Of Oil And Gas Properties DepletionOfOilAndGasProperties	110400000	usd
CY2023Q3	us-gaap	Depletion Of Oil And Gas Properties DepletionOfOilAndGasProperties	123500000	usd
	us-gaap	Depletion Of Oil And Gas Properties DepletionOfOilAndGasProperties	283700000	usd
	us-gaap	Depletion Of Oil And Gas Properties DepletionOfOilAndGasProperties	307000000.0	usd
CY2023Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	211959000	usd
	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	26282000	usd
	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	0	usd
	us-gaap	Capitalized Exploratory Well Cost Charged To Expense1 CapitalizedExploratoryWellCostChargedToExpense1	0	usd
CY2024Q3	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	9298000	usd
CY2023Q3	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-52687000	usd
	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-11808000	usd
	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-52467000	usd
	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2024Q3	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	238241000	usd
CY2024Q3	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Of One Year Or Less CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess	0	usd
CY2023Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Of One Year Or Less CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess	54274000	usd
CY2024Q3	kos	Capitalized Exploratory Well Costs Greater Than Or Equal To One Year And Less Than Four Years CapitalizedExploratoryWellCostsGreaterThanOrEqualToOneYearAndLessThanFourYears	108051000	usd
CY2023Q4	kos	Capitalized Exploratory Well Costs Greater Than Or Equal To One Year And Less Than Four Years CapitalizedExploratoryWellCostsGreaterThanOrEqualToOneYearAndLessThanFourYears	34775000	usd
CY2024Q3	kos	Capitalized Exploratory Well Costs Greater Than Or Equal To Four Years And Less Than Six Years CapitalizedExploratoryWellCostsGreaterThanOrEqualToFourYearsAndLessThanSixYears	130190000	usd
CY2023Q4	kos	Capitalized Exploratory Well Costs Greater Than Or Equal To Four Years And Less Than Six Years CapitalizedExploratoryWellCostsGreaterThanOrEqualToFourYearsAndLessThanSixYears	122910000	usd
CY2024Q3	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	238241000	usd
CY2023Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	211959000	usd
CY2024Q3	us-gaap	Projects That Have Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	3	project
CY2023Q4	us-gaap	Projects That Have Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	2	project
CY2024Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2750274000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2425000000	usd
CY2024Q3	kos	Debt Instrument Unamortized Issuance Costs And Discounts DebtInstrumentUnamortizedIssuanceCostsAndDiscounts	58362000	usd
CY2023Q4	kos	Debt Instrument Unamortized Issuance Costs And Discounts DebtInstrumentUnamortizedIssuanceCostsAndDiscounts	34086000	usd
CY2024Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2691912000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2390914000	usd
CY2024Q3	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Of One Year Or Less CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess	0	usd
CY2023Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Of One Year Or Less CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess	54274000	usd
CY2024Q3	kos	Capitalized Exploratory Well Costs Greater Than Or Equal To One Year And Less Than Four Years CapitalizedExploratoryWellCostsGreaterThanOrEqualToOneYearAndLessThanFourYears	108051000	usd
CY2023Q4	kos	Capitalized Exploratory Well Costs Greater Than Or Equal To One Year And Less Than Four Years CapitalizedExploratoryWellCostsGreaterThanOrEqualToOneYearAndLessThanFourYears	34775000	usd
CY2024Q3	kos	Capitalized Exploratory Well Costs Greater Than Or Equal To Four Years And Less Than Six Years CapitalizedExploratoryWellCostsGreaterThanOrEqualToFourYearsAndLessThanSixYears	130190000	usd
CY2023Q4	kos	Capitalized Exploratory Well Costs Greater Than Or Equal To Four Years And Less Than Six Years CapitalizedExploratoryWellCostsGreaterThanOrEqualToFourYearsAndLessThanSixYears	122910000	usd
CY2024Q3	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	238241000	usd
CY2023Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	211959000	usd
CY2024Q3	us-gaap	Projects That Have Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	3	project
CY2023Q4	us-gaap	Projects That Have Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	2	project
CY2024Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2750274000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2425000000	usd
CY2024Q3	kos	Debt Instrument Unamortized Issuance Costs And Discounts DebtInstrumentUnamortizedIssuanceCostsAndDiscounts	58362000	usd
CY2023Q4	kos	Debt Instrument Unamortized Issuance Costs And Discounts DebtInstrumentUnamortizedIssuanceCostsAndDiscounts	34086000	usd
CY2024Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2691912000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2390914000	usd
CY2024Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2750274000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	0	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	250000000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	350000000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	683649000	usd
CY2024Q3	kos	Long Term Debt Maturity After Year Four LongTermDebtMaturityAfterYearFour	1466625000	usd
CY2024Q3	us-gaap	Interest Costs Incurred InterestCostsIncurred	54530000	usd
	us-gaap	Interest Costs Incurred InterestCostsIncurred	162467000	usd
	us-gaap	Interest Costs Incurred InterestCostsIncurred	155123000	usd
CY2024Q3	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2159000	usd
CY2023Q3	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2462000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	6814000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	7543000	usd
CY2024Q3	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-2263000	usd
CY2023Q3	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-1503000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-24794000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-1503000	usd
CY2024Q3	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	42081000	usd
CY2023Q3	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	36029000	usd
	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	126007000	usd
	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	99920000	usd
CY2024Q3	kos	Deferred Interest Net DeferredInterestNet	2571000	usd
CY2023Q3	kos	Deferred Interest Net DeferredInterestNet	-488000	usd
	kos	Deferred Interest Net DeferredInterestNet	-411000	usd
	kos	Deferred Interest Net DeferredInterestNet	-135000	usd
CY2024Q3	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	5710000	usd
CY2023Q3	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	4793000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	16584000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	13379000	usd
CY2024Q3	kos	Interest And Other Financing Costs Other Net InterestAndOtherFinancingCostsOtherNet	8380000	usd
CY2023Q3	kos	Interest And Other Financing Costs Other Net InterestAndOtherFinancingCostsOtherNet	8142000	usd
	kos	Interest And Other Financing Costs Other Net InterestAndOtherFinancingCostsOtherNet	24766000	usd
	kos	Interest And Other Financing Costs Other Net InterestAndOtherFinancingCostsOtherNet	23644000	usd
CY2024Q3	kos	Interest Expense Income Net InterestExpenseIncomeNet	22112000	usd
CY2023Q3	kos	Interest Expense Income Net InterestExpenseIncomeNet	25440000	usd
	kos	Interest Expense Income Net InterestExpenseIncomeNet	75839000	usd
	kos	Interest Expense Income Net InterestExpenseIncomeNet	74379000	usd
CY2024Q3	us-gaap	Interest Paid InterestPaid	42200000	usd
	us-gaap	Interest Paid InterestPaid	132700000	usd
	us-gaap	Interest Paid InterestPaid	150700000	usd
CY2024Q3	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	42100000	usd
CY2023Q3	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	36000000.0	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	250000000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	350000000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	683649000	usd
CY2024Q3	kos	Long Term Debt Maturity After Year Four LongTermDebtMaturityAfterYearFour	1466625000	usd
CY2024Q3	us-gaap	Interest Costs Incurred InterestCostsIncurred	54530000	usd
CY2023Q3	us-gaap	Interest Costs Incurred InterestCostsIncurred	54643000	usd
	us-gaap	Interest Costs Incurred InterestCostsIncurred	162467000	usd
	us-gaap	Interest Costs Incurred InterestCostsIncurred	155123000	usd
CY2024Q3	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2159000	usd
CY2023Q3	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2462000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	6814000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	7543000	usd
CY2024Q3	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-2263000	usd
CY2023Q3	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-1503000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-24794000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-1503000	usd
CY2024Q3	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	42081000	usd
CY2023Q3	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	36029000	usd
	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	126007000	usd
	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	99920000	usd
CY2024Q3	kos	Deferred Interest Net DeferredInterestNet	2571000	usd
CY2023Q3	kos	Deferred Interest Net DeferredInterestNet	-488000	usd
	kos	Deferred Interest Net DeferredInterestNet	-411000	usd
CY2024Q3	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	5710000	usd
CY2023Q3	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	4793000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	16584000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	13379000	usd
CY2024Q3	kos	Interest And Other Financing Costs Other Net InterestAndOtherFinancingCostsOtherNet	8380000	usd
CY2023Q3	kos	Interest And Other Financing Costs Other Net InterestAndOtherFinancingCostsOtherNet	8142000	usd
	kos	Interest And Other Financing Costs Other Net InterestAndOtherFinancingCostsOtherNet	24766000	usd
	kos	Interest And Other Financing Costs Other Net InterestAndOtherFinancingCostsOtherNet	23644000	usd
CY2024Q3	kos	Interest Expense Income Net InterestExpenseIncomeNet	22112000	usd
	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2023Q3	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2024Q3	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	106552000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	137541000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	383645000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	330356000	usd
CY2024Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.58
CY2023Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.38
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.49
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.42
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	44974000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	85185000	usd
	us-gaap	Net Income Loss NetIncomeLoss	196430000	usd
	us-gaap	Net Income Loss NetIncomeLoss	191839000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	471816000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	460108000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	470491000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	459477000	shares
	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2023Q3	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2024Q3	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	106552000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	137541000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	383645000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	330356000	usd
CY2023Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.38
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.49
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.42
	us-gaap	Net Income Loss NetIncomeLoss	196430000	usd
	us-gaap	Net Income Loss NetIncomeLoss	191839000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	470491000	shares
CY2024Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	7374000	shares
CY2023Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	20991000	shares
CY2024Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2023Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	479190000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	481099000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	478701000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	479738000	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.10
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.09
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.18
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.41
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2024Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	7374000	shares
CY2023Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	20991000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	8210000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	20261000	shares
CY2024Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2023Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	479190000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	481099000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	478701000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	479738000	shares
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.18
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.41
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2024Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3100000	shares
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2800000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2024Q2	kos	Estimated Decommissioning Costs EstimatedDecommissioningCosts	148900000	usd
CY2024Q2	kos	Estimated Decommissioning Costs Funding Period EstimatedDecommissioningCostsFundingPeriod	P13Y
CY2023Q4	kos	Accrued Exploration Development And Production Costs Current AccruedExplorationDevelopmentAndProductionCostsCurrent	90054000	usd
CY2024Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	23722000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	20506000	usd
CY2024Q3	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	986000	usd
CY2023Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	2808000	usd
CY2024Q3	kos	Accrued General And Administrative Expenses Current AccruedGeneralAndAdministrativeExpensesCurrent	25696000	usd
CY2023Q4	kos	Accrued General And Administrative Expenses Current AccruedGeneralAndAdministrativeExpensesCurrent	29766000	usd
CY2024Q3	us-gaap	Interest Payable Current InterestPayableCurrent	54968000	usd
CY2023Q4	us-gaap	Interest Payable Current InterestPayableCurrent	36410000	usd
CY2024Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	62187000	usd
CY2023Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	111212000	usd
CY2024Q3	kos	Accrual For All Other Taxes Current AccrualForAllOtherTaxesCurrent	1388000	usd
CY2023Q4	kos	Accrual For All Other Taxes Current AccrualForAllOtherTaxesCurrent	1029000	usd
CY2024Q3	kos	Derivative Liability Settled Current DerivativeLiabilitySettledCurrent	844000	usd
CY2023Q4	kos	Derivative Liability Settled Current DerivativeLiabilitySettledCurrent	1372000	usd
CY2024Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	12706000	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	9658000	usd
CY2024Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	277752000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	302815000	usd
CY2024Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3100000	shares
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2024Q2	kos	Estimated Decommissioning Costs EstimatedDecommissioningCosts	148900000	usd
CY2024Q2	kos	Estimated Decommissioning Costs Funding Period EstimatedDecommissioningCostsFundingPeriod	P13Y
CY2024Q3	kos	Accrued Exploration Development And Production Costs Current AccruedExplorationDevelopmentAndProductionCostsCurrent	95255000	usd
CY2023Q4	kos	Accrued Exploration Development And Production Costs Current AccruedExplorationDevelopmentAndProductionCostsCurrent	90054000	usd
CY2024Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	23722000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	20506000	usd
CY2024Q3	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	986000	usd
CY2023Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	2808000	usd
CY2024Q3	kos	Accrued General And Administrative Expenses Current AccruedGeneralAndAdministrativeExpensesCurrent	25696000	usd
CY2023Q4	kos	Accrued General And Administrative Expenses Current AccruedGeneralAndAdministrativeExpensesCurrent	29766000	usd
CY2024Q3	us-gaap	Interest Payable Current InterestPayableCurrent	54968000	usd
CY2023Q4	us-gaap	Interest Payable Current InterestPayableCurrent	36410000	usd
CY2024Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	62187000	usd
CY2023Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	111212000	usd
CY2024Q3	kos	Accrual For All Other Taxes Current AccrualForAllOtherTaxesCurrent	1388000	usd
CY2023Q4	kos	Accrual For All Other Taxes Current AccrualForAllOtherTaxesCurrent	1029000	usd
CY2024Q3	kos	Derivative Liability Settled Current DerivativeLiabilitySettledCurrent	844000	usd
CY2023Q4	kos	Derivative Liability Settled Current DerivativeLiabilitySettledCurrent	1372000	usd
CY2024Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	12706000	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	9658000	usd
CY2024Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	277752000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	302815000	usd
CY2023Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	346786000	usd
	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	16050000	usd
	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	810000	usd
	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	4949000	usd
	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	24926000	usd
CY2024Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	391901000	usd
CY2024Q3	kos	Inventory Write Down Net InventoryWriteDownNet	125000	usd
CY2023Q3	kos	Inventory Write Down Net InventoryWriteDownNet	2412000	usd
CY2023Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	346786000	usd
	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	16050000	usd
	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	810000	usd
	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	4949000	usd
	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	24926000	usd
CY2024Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	391901000	usd
CY2024Q3	kos	Inventory Write Down Net InventoryWriteDownNet	125000	usd
CY2023Q3	kos	Inventory Write Down Net InventoryWriteDownNet	2412000	usd
	kos	Inventory Write Down Net InventoryWriteDownNet	152000	usd
	kos	Inventory Write Down Net InventoryWriteDownNet	5351000	usd
CY2024Q3	kos	Gain Loss On Asset Retirement Obligation Liabilities Settled GainLossOnAssetRetirementObligationLiabilitiesSettled	14000	usd
CY2023Q3	kos	Gain Loss On Asset Retirement Obligation Liabilities Settled GainLossOnAssetRetirementObligationLiabilitiesSettled	4733000	usd
	kos	Gain Loss On Asset Retirement Obligation Liabilities Settled GainLossOnAssetRetirementObligationLiabilitiesSettled	-3173000	usd
	kos	Gain Loss On Asset Retirement Obligation Liabilities Settled GainLossOnAssetRetirementObligationLiabilitiesSettled	4848000	usd
CY2024Q3	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	-2088000	usd
CY2023Q3	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	-3910000	usd
	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	-9439000	usd
	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	-7665000	usd
CY2024Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2227000	usd
CY2023Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-11055000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-6418000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-17864000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2024Q3	us-gaap	Revenues Revenues	407794000	usd
CY2024Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	37000	usd
CY2024Q3	kos	Revenue And Other Income RevenueAndOtherIncome	407831000	usd
CY2024Q3	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	133471000	usd
CY2024Q3	us-gaap	Exploration Expense ExplorationExpense	14697000	usd
CY2024Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	23298000	usd
CY2024Q3	us-gaap	Results Of Operations Depreciation Depletion Amortization And Accretion ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion	120728000	usd
CY2024Q3	kos	Interest Expense Income Net InterestExpenseIncomeNet	22112000	usd
CY2024Q3	kos	Gain Loss On Commodity Derivative Instruments Net Pretax GainLossOnCommodityDerivativeInstrumentsNetPretax	15254000	usd
CY2024Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2227000	usd
CY2024Q3	us-gaap	Costs And Expenses CostsAndExpenses	301279000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	106552000	usd
	kos	Inventory Write Down Net InventoryWriteDownNet	152000	usd
	kos	Inventory Write Down Net InventoryWriteDownNet	5351000	usd
CY2024Q3	kos	Gain Loss On Asset Retirement Obligation Liabilities Settled GainLossOnAssetRetirementObligationLiabilitiesSettled	14000	usd
CY2023Q3	kos	Gain Loss On Asset Retirement Obligation Liabilities Settled GainLossOnAssetRetirementObligationLiabilitiesSettled	4733000	usd
	kos	Gain Loss On Asset Retirement Obligation Liabilities Settled GainLossOnAssetRetirementObligationLiabilitiesSettled	4848000	usd
CY2024Q3	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	-2088000	usd
CY2023Q3	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	-3910000	usd
	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	-9439000	usd
	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	-7665000	usd
CY2024Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2227000	usd
CY2023Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-11055000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-6418000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-17864000	usd
CY2024Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	37000	usd
CY2024Q3	kos	Revenue And Other Income RevenueAndOtherIncome	407831000	usd
CY2024Q3	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	133471000	usd
CY2024Q3	us-gaap	Exploration Expense ExplorationExpense	14697000	usd
CY2024Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	23298000	usd
CY2024Q3	us-gaap	Results Of Operations Depreciation Depletion Amortization And Accretion ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion	120728000	usd
CY2024Q3	kos	Interest Expense Income Net InterestExpenseIncomeNet	22112000	usd
CY2024Q3	kos	Gain Loss On Commodity Derivative Instruments Net Pretax GainLossOnCommodityDerivativeInstrumentsNetPretax	15254000	usd
CY2024Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2227000	usd
CY2024Q3	us-gaap	Costs And Expenses CostsAndExpenses	301279000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	106552000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	61578000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	44974000	usd
CY2024Q3	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	210008000	usd
	us-gaap	Revenues Revenues	1277797000	usd
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	109000	usd
	kos	Revenue And Other Income RevenueAndOtherIncome	1277906000	usd
	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	377822000	usd
	us-gaap	Exploration Expense ExplorationExpense	39992000	usd
	us-gaap	Results Of Operations Depreciation Depletion Amortization And Accretion ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion	311750000	usd
	kos	Interest Expense Income Net InterestExpenseIncomeNet	75839000	usd
	kos	Gain Loss On Commodity Derivative Instruments Net Pretax GainLossOnCommodityDerivativeInstrumentsNetPretax	-5716000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-6418000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	894261000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	383645000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	187215000	usd
	us-gaap	Net Income Loss NetIncomeLoss	196430000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	711652000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4694435000	usd
CY2024Q3	us-gaap	Assets Assets	5470946000	usd
CY2023Q3	us-gaap	Revenues Revenues	526348000	usd
CY2023Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	198000	usd
CY2023Q3	kos	Revenue And Other Income RevenueAndOtherIncome	526546000	usd
CY2023Q3	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	138782000	usd
CY2023Q3	us-gaap	Exploration Expense ExplorationExpense	10290000	usd
CY2023Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	25120000	usd
CY2023Q3	kos	Gain Loss On Commodity Derivative Instruments Net Pretax GainLossOnCommodityDerivativeInstrumentsNetPretax	-45971000	usd
CY2023Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-11055000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	61578000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	44974000	usd
CY2024Q3	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	210008000	usd
	us-gaap	Revenues Revenues	1277797000	usd
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	109000	usd
	kos	Revenue And Other Income RevenueAndOtherIncome	1277906000	usd
	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	377822000	usd
	us-gaap	Exploration Expense ExplorationExpense	39992000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	76724000	usd
	us-gaap	Results Of Operations Depreciation Depletion Amortization And Accretion ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion	311750000	usd
	kos	Interest Expense Income Net InterestExpenseIncomeNet	75839000	usd
	kos	Gain Loss On Commodity Derivative Instruments Net Pretax GainLossOnCommodityDerivativeInstrumentsNetPretax	-5716000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-6418000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	894261000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	383645000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	187215000	usd
	us-gaap	Net Income Loss NetIncomeLoss	196430000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	711652000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4694435000	usd
CY2024Q3	us-gaap	Assets Assets	5470946000	usd
CY2023Q3	us-gaap	Revenues Revenues	526348000	usd
CY2023Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	198000	usd
CY2023Q3	kos	Revenue And Other Income RevenueAndOtherIncome	526546000	usd
CY2023Q3	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	138782000	usd
CY2023Q3	us-gaap	Exploration Expense ExplorationExpense	10290000	usd
CY2023Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	25120000	usd
CY2023Q3	us-gaap	Results Of Operations Depreciation Depletion Amortization And Accretion ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion	132347000	usd
CY2023Q3	kos	Interest Expense Income Net InterestExpenseIncomeNet	25440000	usd
CY2023Q3	kos	Gain Loss On Commodity Derivative Instruments Net Pretax GainLossOnCommodityDerivativeInstrumentsNetPretax	-45971000	usd
CY2023Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-11055000	usd
CY2023Q3	us-gaap	Costs And Expenses CostsAndExpenses	389005000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	52356000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	85185000	usd
CY2023Q3	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	192550000	usd
	us-gaap	Revenues Revenues	1193843000	usd
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-115000	usd
	kos	Revenue And Other Income RevenueAndOtherIncome	1193728000	usd
	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	286297000	usd
	us-gaap	Exploration Expense ExplorationExpense	33305000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	77731000	usd
	us-gaap	Results Of Operations Depreciation Depletion Amortization And Accretion ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion	331634000	usd
	kos	Interest Expense Income Net InterestExpenseIncomeNet	74379000	usd
	kos	Gain Loss On Commodity Derivative Instruments Net Pretax GainLossOnCommodityDerivativeInstrumentsNetPretax	-42162000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-17864000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	330356000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	138517000	usd
	us-gaap	Net Income Loss NetIncomeLoss	191839000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	568627000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4179969000	usd
CY2023Q3	us-gaap	Assets Assets	4969401000	usd
	us-gaap	Payments To Acquire Oil And Gas Property And Equipment PaymentsToAcquireOilAndGasPropertyAndEquipment	611914000	usd
	kos	Increase Decrease In Capital Accruals IncreaseDecreaseInCapitalAccruals	25108000	usd
	kos	Increase Decrease In Capital Accruals IncreaseDecreaseInCapitalAccruals	25441000	usd
	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	36120000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	52356000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	85185000	usd
CY2023Q3	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	192550000	usd
	kos	Revenue And Other Income RevenueAndOtherIncome	1193728000	usd
	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	286297000	usd
	us-gaap	Exploration Expense ExplorationExpense	33305000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	77731000	usd
	us-gaap	Results Of Operations Depreciation Depletion Amortization And Accretion ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion	331634000	usd
	kos	Interest Expense Income Net InterestExpenseIncomeNet	74379000	usd
	kos	Gain Loss On Commodity Derivative Instruments Net Pretax GainLossOnCommodityDerivativeInstrumentsNetPretax	-42162000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-17864000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	863372000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	330356000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	138517000	usd
	us-gaap	Net Income Loss NetIncomeLoss	191839000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	568627000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4179969000	usd
CY2023Q3	us-gaap	Assets Assets	4969401000	usd
	us-gaap	Payments To Acquire Oil And Gas Property And Equipment PaymentsToAcquireOilAndGasPropertyAndEquipment	772238000	usd
	us-gaap	Payments To Acquire Oil And Gas Property And Equipment PaymentsToAcquireOilAndGasPropertyAndEquipment	611914000	usd
	kos	Increase Decrease In Capital Accruals IncreaseDecreaseInCapitalAccruals	25108000	usd
	kos	Increase Decrease In Capital Accruals IncreaseDecreaseInCapitalAccruals	25441000	usd
	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	36120000	usd
	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	31061000	usd
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	126007000	usd
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	99920000	usd
	kos	Other Capital Expenditure Expense OtherCapitalExpenditureExpense	4193000	usd
	kos	Other Capital Expenditure Expense OtherCapitalExpenditureExpense	131000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	711652000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	568627000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	52356000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	85185000	usd
CY2023Q3	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	192550000	usd
	us-gaap	Revenues Revenues	1193843000	usd
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-115000	usd
	kos	Revenue And Other Income RevenueAndOtherIncome	1193728000	usd
	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	286297000	usd
	us-gaap	Exploration Expense ExplorationExpense	33305000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	77731000	usd
	us-gaap	Results Of Operations Depreciation Depletion Amortization And Accretion ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion	331634000	usd
	kos	Interest Expense Income Net InterestExpenseIncomeNet	74379000	usd
	kos	Gain Loss On Commodity Derivative Instruments Net Pretax GainLossOnCommodityDerivativeInstrumentsNetPretax	-42162000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-17864000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	863372000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	330356000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	138517000	usd
	us-gaap	Net Income Loss NetIncomeLoss	191839000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	568627000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4179969000	usd
CY2023Q3	us-gaap	Assets Assets	4969401000	usd
	us-gaap	Payments To Acquire Oil And Gas Property And Equipment PaymentsToAcquireOilAndGasPropertyAndEquipment	611914000	usd
	kos	Increase Decrease In Capital Accruals IncreaseDecreaseInCapitalAccruals	25108000	usd
	kos	Increase Decrease In Capital Accruals IncreaseDecreaseInCapitalAccruals	25441000	usd
	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	36120000	usd
	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	31061000	usd
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	126007000	usd
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	99920000	usd
	kos	Other Capital Expenditure Expense OtherCapitalExpenditureExpense	4193000	usd
	kos	Other Capital Expenditure Expense OtherCapitalExpenditureExpense	131000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	711652000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	568627000	usd
	us-gaap	Revenues Revenues	1193843000	usd
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-115000	usd
	kos	Revenue And Other Income RevenueAndOtherIncome	1193728000	usd
	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	286297000	usd
	us-gaap	Exploration Expense ExplorationExpense	33305000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	77731000	usd
	us-gaap	Results Of Operations Depreciation Depletion Amortization And Accretion ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion	331634000	usd
	kos	Interest Expense Income Net InterestExpenseIncomeNet	74379000	usd
	kos	Gain Loss On Commodity Derivative Instruments Net Pretax GainLossOnCommodityDerivativeInstrumentsNetPretax	-42162000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	863372000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	330356000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	138517000	usd
	us-gaap	Net Income Loss NetIncomeLoss	191839000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	568627000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4179969000	usd
CY2023Q3	us-gaap	Assets Assets	4969401000	usd
	us-gaap	Payments To Acquire Oil And Gas Property And Equipment PaymentsToAcquireOilAndGasPropertyAndEquipment	772238000	usd
	kos	Increase Decrease In Capital Accruals IncreaseDecreaseInCapitalAccruals	25108000	usd
	kos	Increase Decrease In Capital Accruals IncreaseDecreaseInCapitalAccruals	25441000	usd
	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	31061000	usd
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	126007000	usd
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	99920000	usd
	kos	Other Capital Expenditure Expense OtherCapitalExpenditureExpense	4193000	usd
	kos	Other Capital Expenditure Expense OtherCapitalExpenditureExpense	131000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	711652000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	568627000	usd
	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	31061000	usd
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	126007000	usd
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	99920000	usd
	kos	Other Capital Expenditure Expense OtherCapitalExpenditureExpense	4193000	usd
	kos	Other Capital Expenditure Expense OtherCapitalExpenditureExpense	131000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	711652000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	568627000	usd

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$KOS
Kosmos Energy Ltd. Stock $kos

2024 Q4 Form 10-Q Financial Statement

#000150999124000087 Filed on November 04, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KOS Kosmos Energy Ltd. Stock $kos

2024 Q4 Form 10-Q Financial Statement

#000150999124000087 Filed on November 04, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KOS
Kosmos Energy Ltd. Stock $kos