OVERSEAS SHIPHOLDING GROUP INC

$ Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000149315223007123 Filed on March 09, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$118.9M	$93.54M	$78.73M
YoY Change	54.66%	12.46%	-5.34%
Cash & Equivalents	$104.1M	$78.73M	$78.73M
Short-Term Investments	$14.85M	$14.80M
Other Short-Term Assets		$385.0K	$385.0K
YoY Change		-33.62%	-33.62%
Inventory	$5.662M	$2.283M	$2.283M
Prepaid Expenses		$385.0K
Receivables	$10.92M	$19.70M	$19.70M
Other Receivables	$2.905M	$5.334M	$7.248M
Total Short-Term Assets	$124.3M	$108.3M	$108.3M
YoY Change	14.17%	-0.58%	-0.54%
LONG-TERM ASSETS
Property, Plant & Equipment	$912.2M	$697.6M	$933.0M
YoY Change	3.08%	-23.66%	2.1%
Goodwill
YoY Change
Intangibles	$16.87M	$18.02M
YoY Change		-20.34%
Long-Term Investments	$14.85M	$14.80M	$14.80M
YoY Change
Other Assets	$25.70M	$25.95M	$64.92M
YoY Change	-62.88%	-3.88%	-7.75%
Total Long-Term Assets	$1.007B	$1.031B	$1.031B
YoY Change	3.17%	2.38%	2.38%
TOTAL ASSETS
Total Short-Term Assets	$124.3M	$108.3M	$108.3M
Total Long-Term Assets	$1.007B	$1.031B	$1.031B
Total Assets	$1.131B	$1.139B	$1.139B
YoY Change	4.27%	2.09%	2.09%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$57.20M	$5.962M	$28.11M
YoY Change	24.35%	-88.05%	-2.95%
Accrued Expenses	$63.80M	$63.29M	$89.47M
YoY Change	-31.8%	-36.72%	-25.64%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$24.52M	$23.73M	$27.73M
YoY Change	-7.81%	6.79%	5.75%
Total Short-Term Liabilities	$149.5M	$145.9M	$145.9M
YoY Change	-10.0%	-17.15%	-17.15%
LONG-TERM LIABILITIES
Long-Term Debt	$393.3M	$399.6M	$416.1M
YoY Change	-9.61%	-5.42%	-5.76%
Other Long-Term Liabilities	$10.33M	$17.00M	$167.1M
YoY Change	-87.32%	-24.1%	74.6%
Total Long-Term Liabilities	$403.6M	$416.6M	$583.2M
YoY Change	-21.86%	-6.36%	8.56%
TOTAL LIABILITIES
Total Short-Term Liabilities	$149.5M	$145.9M	$145.9M
Total Long-Term Liabilities	$403.6M	$416.6M	$583.2M
Total Liabilities	$781.4M	$799.4M	$799.4M
YoY Change	4.71%	2.86%	2.86%
SHAREHOLDERS EQUITY
Retained Earnings	-$220.9M	-$233.0M
YoY Change		-10.23%
Common Stock	$598.0M	$598.3M
YoY Change		0.52%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$29.04M
YoY Change
Treasury Stock Shares		10.00M shares
Shareholders Equity	$349.4M	$339.7M	$339.7M
YoY Change
Total Liabilities & Shareholders Equity	$1.131B	$1.139B	$1.139B
YoY Change	4.27%	2.09%	2.09%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts		usd
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0000075208
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021Q4	us-gaap	Marketable Securities MarketableSecurities		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue		usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts		usd
CY2022	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets		usd
CY2022	us-gaap	Extinguishment Of Debt Gain Loss Net Of Tax ExtinguishmentOfDebtGainLossNetOfTax		usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts		usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt		usd
CY2022	OSG	Gain Loss On Sale Or Disposition Of Assets GainLossOnSaleOrDispositionOfAssets		usd
CY2021	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments		usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment		usd
CY2021	OSG	Payments For Repurchase Of Treasury Stock PaymentsForRepurchaseOfTreasuryStock		usd
CY2022	OSG	Extinguishment Of Debt ExtinguishmentOfDebt		usd
CY2022	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt		usd
CY2021	OSG	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Restricted Stock Awards Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteRestrictedStockAwardsValue		usd
CY2022	OSG	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Restricted Stock Awards Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteRestrictedStockAwardsValue		usd
CY2021	us-gaap	Accumulated Depreciation Depletion And Amortization Reclassifications From Property Plant And Equipment1 AccumulatedDepreciationDepletionAndAmortizationReclassificationsFromPropertyPlantAndEquipment1		usd
CY2021	OSG	Property Plant And Equipment Depreciation Gross PropertyPlantAndEquipmentDepreciationGross		usd
CY2022	us-gaap	Accumulated Depreciation Depletion And Amortization Reclassifications From Property Plant And Equipment1 AccumulatedDepreciationDepletionAndAmortizationReclassificationsFromPropertyPlantAndEquipment1		usd
CY2022	OSG	Property Plant And Equipment Depreciation Gross PropertyPlantAndEquipmentDepreciationGross		usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears		usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter		usd
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	001-06479
CY2022	dei	Entity Registrant Name EntityRegistrantName	OVERSEAS SHIPHOLDING GROUP, INC.
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	13-2637623
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	302 Knights Run Avenue
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Tampa
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	FL
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	33602
CY2022	dei	City Area Code CityAreaCode	813
CY2022	dei	Local Phone Number LocalPhoneNumber	209-0600
CY2022	dei	Security12b Title Security12bTitle	Class A Common Stock (par value $0.01 per share)
CY2022	dei	Trading Symbol TradingSymbol	OSG
CY2022	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2022	dei	Entity Small Business EntitySmallBusiness	true
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	false
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022	dei	Entity Bankruptcy Proceedings Reporting Current EntityBankruptcyProceedingsReportingCurrent	true
CY2022Q2	dei	Entity Public Float EntityPublicFloat	168843070	usd
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	78634829	shares
CY2022	dei	Auditor Firm AuditorFirmId	248
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	78732000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	83253000	usd
CY2022Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	11364000	usd
CY2021Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	3777000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	19698000	usd
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	14586000	usd
CY2022Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	1914000	usd
CY2021Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	1882000	usd
CY2022Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	5334000	usd
CY2021Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	5816000	usd
CY2022Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	385000	usd
CY2021Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	543000	usd
CY2022Q4	OSG	Inventories And Other Current Assets InventoriesAndOtherCurrentAssets	2283000	usd
CY2021Q4	OSG	Inventories And Other Current Assets InventoriesAndOtherCurrentAssets	2895000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	108346000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	108975000	usd
CY2022Q4	OSG	Property Plant And Equipment Including Other Net PropertyPlantAndEquipmentIncludingOtherNet	726179000	usd
CY2021Q4	OSG	Property Plant And Equipment Including Other Net PropertyPlantAndEquipmentIncludingOtherNet	761777000	usd
CY2022Q4	OSG	Deferred Drydock Expenditures Net Non Current DeferredDrydockExpendituresNetNonCurrent	38976000	usd
CY2021Q4	OSG	Deferred Drydock Expenditures Net Non Current DeferredDrydockExpendituresNetNonCurrent	43342000	usd
CY2022Q4	OSG	Vessels Deferred Drydock And Other Property Non Current VesselsDeferredDrydockAndOtherPropertyNonCurrent	765155000	usd
CY2021Q4	OSG	Vessels Deferred Drydock And Other Property Non Current VesselsDeferredDrydockAndOtherPropertyNonCurrent	805119000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	18017000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	22617000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	206797000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	152027000	usd
CY2022Q4	us-gaap	Marketable Securities MarketableSecurities	14803000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	25945000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	26991000	usd
CY2022Q4	us-gaap	Assets Assets	1139063000	usd
CY2021Q4	us-gaap	Assets Assets	1115729000	usd
CY2022Q4	us-gaap	Accounts Payable And Other Accrued Liabilities Current AccountsPayableAndOtherAccruedLiabilitiesCurrent	54906000	usd
CY2021Q4	us-gaap	Accounts Payable And Other Accrued Liabilities Current AccountsPayableAndOtherAccruedLiabilitiesCurrent	49901000	usd
CY2022Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	23733000	usd
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	22225000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	63288000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	100010000	usd
CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	4000000	usd
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	4000000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	145927000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	176136000	usd
CY2022Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	175000	usd
CY2021Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	179000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	399630000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	422515000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	70233000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	63744000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	149960000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	73150000	usd
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	16456000	usd
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	18998000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	16997000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	22393000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	799378000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	777115000	usd
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	166666666	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	166666666	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	88297439	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	87170463	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	78297439	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	87170463	shares
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	883000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	872000	usd
CY2022Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	597455000	usd
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	594386000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-233023000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-259587000	usd
CY2022Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	10000000	shares
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	10000000	shares
CY2022Q4	us-gaap	Treasury Stock Value TreasuryStockValue	29040000	usd
CY2022Q4	OSG	Stockholders Equity Subtotal StockholdersEquitySubtotal	336275000	usd
CY2021Q4	OSG	Stockholders Equity Subtotal StockholdersEquitySubtotal	335671000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	3410000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	2943000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	339685000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	338614000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1139063000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1115729000	usd
CY2022	OSG	Time And Bareboat Charter Revenues TimeAndBareboatCharterRevenues	327329000	usd
CY2021	OSG	Time And Bareboat Charter Revenues TimeAndBareboatCharterRevenues	254744000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	139471000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	104318000	usd
CY2022	us-gaap	Revenues Revenues	466800000	usd
CY2021	us-gaap	Revenues Revenues	359062000	usd
CY2022	OSG	Voyage Expenses VoyageExpenses	40472000	usd
CY2021	OSG	Voyage Expenses VoyageExpenses	66467000	usd
CY2022	OSG	Vessel Expenses VesselExpenses	176666000	usd
CY2021	OSG	Vessel Expenses VesselExpenses	140413000	usd
CY2022	OSG	Charter Hire Expenses CharterHireExpenses	88849000	usd
CY2021	OSG	Charter Hire Expenses CharterHireExpenses	90166000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	70637000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	61823000	usd
CY2022	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	26985000	usd
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	24097000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-1080000	usd
CY2021	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-6276000	usd
CY2022	us-gaap	Operating Expenses OperatingExpenses	403609000	usd
CY2021	us-gaap	Operating Expenses OperatingExpenses	388162000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	63191000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	-29100000	usd
CY2021	us-gaap	Extinguishment Of Debt Gain Loss Net Of Tax ExtinguishmentOfDebtGainLossNetOfTax	-8031000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3327000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1985000	usd
CY2022	OSG	Income Before Interest Expense And Income Taxes IncomeBeforeInterestExpenseAndIncomeTaxes	66518000	usd
CY2021	OSG	Income Before Interest Expense And Income Taxes IncomeBeforeInterestExpenseAndIncomeTaxes	-35146000	usd
CY2022	us-gaap	Interest Expense InterestExpense	33060000	usd
CY2021	us-gaap	Interest Expense InterestExpense	29203000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	33458000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-64349000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6894000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-18097000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	26564000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-46252000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	89556195	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	90587454	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	91400041	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	90587454	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.30
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.51
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.29
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.51
CY2022	us-gaap	Net Income Loss NetIncomeLoss	26564000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-46252000	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	553000	usd
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	554000	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	1020000	usd
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	3779000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	467000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3225000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	27031000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-43027000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	26564000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-46252000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	70637000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	61823000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-1080000	usd
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1129000	usd
CY2021	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2099000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	3574000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	2232000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	6347000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-18236000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1618000	usd
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1799000	usd
CY2022	OSG	Noncash Operating Lease Expense NoncashOperatingLeaseExpense	89127000	usd
CY2021	OSG	Noncash Operating Lease Expense NoncashOperatingLeaseExpense	90863000	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5295000	usd
CY2021	OSG	Gain Loss On Sale Or Disposition Of Assets GainLossOnSaleOrDispositionOfAssets	-6276000	usd
CY2022	OSG	Payments For Drydocking PaymentsForDrydocking	17231000	usd
CY2021	OSG	Payments For Drydocking PaymentsForDrydocking	19037000	usd
CY2022	OSG	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-99808000	usd
CY2021	OSG	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-92634000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	5112000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	384000	usd
CY2022	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	32000	usd
CY2021	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	1495000	usd
CY2022	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	3435000	usd
CY2021	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	9666000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	7425000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	12767000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	72823000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-11832000	usd
CY2022	OSG	Expenditures For Vessels And Vessel Improvements ExpendituresForVesselsAndVesselImprovements	6354000	usd
CY2021	OSG	Expenditures For Vessels And Vessel Improvements ExpendituresForVesselsAndVesselImprovements	7793000	usd
CY2022	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	14794000	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	32128000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-21148000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	24335000	usd
CY2022	us-gaap	Repayments Of Debt RepaymentsOfDebt	22222000	usd
CY2021	us-gaap	Repayments Of Debt RepaymentsOfDebt	33316000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	496000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	402000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	4161000	usd
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	4161000	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	277000	usd
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2465000	usd
CY2022	OSG	Payments For Repurchase Of Treasury Stock PaymentsForRepurchaseOfTreasuryStock	29040000	usd
CY2021	OSG	Extinguishment Of Debt ExtinguishmentOfDebt	277520000	usd
CY2021	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	321531000	usd
CY2021	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	2736000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-56196000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	931000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-4521000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	13434000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	83253000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	69819000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	78732000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	83253000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	379811000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-46252000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3225000	usd
CY2021	OSG	Adjustments To Additional Paid In Capital Taxes Withheld And Forfeitures Of Restricted Stock Awards AdjustmentsToAdditionalPaidInCapitalTaxesWithheldAndForfeituresOfRestrictedStockAwards	-402000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2232000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	338614000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	338614000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	26564000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	26564000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	467000	usd
CY2022	OSG	Adjustments To Additional Paid In Capital Taxes Withheld And Forfeitures Of Restricted Stock Awards AdjustmentsToAdditionalPaidInCapitalTaxesWithheldAndForfeituresOfRestrictedStockAwards	-494000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3574000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	-29040000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	339685000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	339685000	usd
CY2022	us-gaap	Property Plant And Equipment Estimated Useful Lives PropertyPlantAndEquipmentEstimatedUsefulLives	Vessels are recorded at cost and are depreciated to their estimated salvage value on the straight-line basis over the estimated useful lives of the vessels, which are generally 25 years (except for new ATBs for which estimated useful lives of 30 years are used)
CY2022	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	1378000	usd
CY2021	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	1427000	usd
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1129000	usd
CY2021	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2099000	usd
CY2022	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p id="xdx_849_eus-gaap--ConcentrationRiskCreditRisk_zzSmPSEtHAf8" style="margin: 0"> </p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"> <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>9.</b></span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i><span id="xdx_863_z8KThx7cij8c">Concentration of credit risk</span></i> - Financial instruments that potentially subject the Company to concentrations of credit risk are voyage receivables due from charterers. With respect to voyage receivables, the Company limits its credit risk by performing ongoing credit evaluations. Voyage receivables reflected on the consolidated balance sheets as of December 31, 2022 and 2021 are net of a reserve for doubtful accounts of $<span id="xdx_90E_eus-gaap--AllowanceForDoubtfulAccountsReceivable_iI_pn3n3_c20221231_zxLj6iJh5Cc9" title="Doubtful accounts">197</span> and $<span id="xdx_903_eus-gaap--AllowanceForDoubtfulAccountsReceivable_iI_pn3n3_c20211231_z5U2jdfXWAUb" title="Net of a reserve for doubtful accounts">150</span>, respectively.</span></td></tr> </table> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"> <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">During the years ended December 31, 2022 and 2021, the Company had two individual customers who accounted for 10% or more of the Company’s revenues. The customers and their related percentages were Hilcorp North Slope LLC (<span id="xdx_903_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20220101__20221231__dei--LegalEntityAxis__custom--HilcorpNorthSlopeLLCMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__srt--MajorCustomersAxis__custom--OneCustomerMember_zpMCpBqVMmO3" title="Concentration Risk, Percentage">14.2</span>%) and Valero Marketing and Supply Company (<span id="xdx_908_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20220101__20221231__dei--LegalEntityAxis__custom--ValeroMarketingAndSupplyMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__srt--MajorCustomersAxis__custom--TwoCustomerMember_zVTjZj7zaKHh" title="Concentration Risk, Percentage">10.2</span>%) for the year ended December 31, 2022 and Hilcorp North Slope LLC (<span id="xdx_902_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__dei--LegalEntityAxis__custom--HilcorpNorthSlopeLLCMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__srt--MajorCustomersAxis__custom--OneCustomerMember_zs0YVAAYlSI8" title="Concentration Risk, Percentage">28.2</span>%) and BP Products North America Inc. (<span id="xdx_909_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20210101__20211231__dei--LegalEntityAxis__custom--BPProductsNorthAmericaIncMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__srt--MajorCustomersAxis__custom--TwoCustomerMember_z0cG1q4A3vgg" title="Concentration risk, percentage">10.6</span>%) for the year ended December 31, 2021.</span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company’s cash and cash equivalents balances generally exceed Federal Deposit Insurance Corporation insurance limits. Cash and cash equivalents are placed in what the Company believes to be creditworthy financial institutions. In addition, certain of the Company’s money market accounts invest in U.S. Treasury securities or other obligations issued or guaranteed by the U.S. government or its agencies.</span></td></tr> </table>
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	197000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	150000	usd
CY2022	us-gaap	Income Tax Examination Likelihood Of Unfavorable Settlement IncomeTaxExaminationLikelihoodOfUnfavorableSettlement	greater than 50
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<p id="xdx_842_eus-gaap--UseOfEstimates_zyAgL1MSHT14" style="margin: 0"> </p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"> <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>11.</b></span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i><span id="xdx_86B_zy2093C18W2d">Use of estimates</span></i> - The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts of assets, liabilities, equity, revenues and expenses reported in the financial statements and accompanying notes. The most significant estimates relate to the depreciation of vessels and other property, amortization of drydocking costs and internal use software, estimates used in assessing the recoverability of vessels, intangible assets and other long-lived assets, liabilities incurred relating to pension benefits, and income taxes. Actual results could differ from those estimates.</span></td></tr> </table>
CY2022	us-gaap	Net Income Loss NetIncomeLoss	26564000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-46252000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	89556195	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	90587454	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	91400041	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	90587454	shares
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1843846	shares
CY2022	OSG	Number Of Products Participating In U.S Maritime Security Program Msp NumberOfProductsParticipatingInU.SMaritimeSecurityProgramMSP	2	integer
CY2022	us-gaap	Revenues Revenues	466800000	usd
CY2021	us-gaap	Revenues Revenues	359062000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	9258000	usd
CY2021Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	8227000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1082822000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1066327000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	385242000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	345531000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	697580000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	720796000	usd
CY2022Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	10406000	usd
CY2021Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	19799000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	26940000	usd
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	26940000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	8856000	usd
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	5906000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	18084000	usd
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	21034000	usd
CY2022Q4	OSG	Other Property Plant And Equipment Gross OtherPropertyPlantAndEquipmentGross	5578000	usd
CY2021Q4	OSG	Other Property Plant And Equipment Gross OtherPropertyPlantAndEquipmentGross	5578000	usd
CY2022Q4	OSG	Other Property Plant And Equipment Accumulated Depreciation And Amortization OtherPropertyPlantAndEquipmentAccumulatedDepreciationAndAmortization	5469000	usd
CY2021Q4	OSG	Other Property Plant And Equipment Accumulated Depreciation And Amortization OtherPropertyPlantAndEquipmentAccumulatedDepreciationAndAmortization	5430000	usd
CY2022Q4	OSG	Other Property Plant And Equipment Net OtherPropertyPlantAndEquipmentNet	109000	usd
CY2021Q4	OSG	Other Property Plant And Equipment Net OtherPropertyPlantAndEquipmentNet	148000	usd
CY2022Q4	OSG	Property And Other Property PropertyAndOtherProperty	726179000	usd
CY2021Q4	OSG	Property And Other Property PropertyAndOtherProperty	761777000	usd
CY2022	OSG	Weighted Average Years Of Vessel WeightedAverageYearsOfVessel	P14Y7M6D
CY2022Q4	us-gaap	Debt Instrument Collateral Amount DebtInstrumentCollateralAmount	692501000	usd
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1099187000	usd
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	308449000	usd
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	790738000	usd
CY2021	us-gaap	Property Plant And Equipment Transfers And Changes PropertyPlantAndEquipmentTransfersAndChanges	6836000	usd
CY2021	us-gaap	Depreciation Depreciation	39398000	usd
CY2021	us-gaap	Property Plant And Equipment Disposals PropertyPlantAndEquipmentDisposals	39696000	usd
CY2021	us-gaap	Accumulated Depreciation Depletion And Amortization Sale Of Property Plant And Equipment1 AccumulatedDepreciationDepletionAndAmortizationSaleOfPropertyPlantAndEquipment1	2316000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1066327000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	345531000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	720796000	usd
CY2022	us-gaap	Property Plant And Equipment Transfers And Changes PropertyPlantAndEquipmentTransfersAndChanges	16699000	usd
CY2022	OSG	Property Plant And Equipment Additions Excluding Construction In Progress PropertyPlantAndEquipmentAdditionsExcludingConstructionInProgress	570000	usd
CY2022	us-gaap	Depreciation Depreciation	40485000	usd
CY2022	us-gaap	Property Plant And Equipment Disposals PropertyPlantAndEquipmentDisposals	774000	usd
CY2022	us-gaap	Accumulated Depreciation Depletion And Amortization Sale Of Property Plant And Equipment1 AccumulatedDepreciationDepletionAndAmortizationSaleOfPropertyPlantAndEquipment1	774000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1082822000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	385242000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	697580000	usd
CY2022	OSG	Accrual Of Capital Expenditures AccrualOfCapitalExpenditures	2784000	usd
CY2021	OSG	Accrual Of Capital Expenditures AccrualOfCapitalExpenditures	1341000	usd
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	27217000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4600000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	22617000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4600000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	18017000	usd
CY2022Q4	us-gaap	Finite Lived Core Deposits Gross FiniteLivedCoreDepositsGross	92000000	usd
CY2021Q4	us-gaap	Finite Lived Core Deposits Gross FiniteLivedCoreDepositsGross	92000000	usd
CY2022	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P4Y
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	4600000	usd
CY2022Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	423363000	usd
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	444740000	usd
CY2022Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	23733000	usd
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	22225000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	399630000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	422515000	usd
CY2022Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0718	pure
CY2021Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0720	pure
CY2021Q3	OSG	Prepayment Of Term Loan PrepaymentOfTermLoan	16000	usd
CY2021Q3	us-gaap	Loans Payable LoansPayable	7961000	usd
CY2021Q3	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.0775	pure
CY2021Q3	us-gaap	Debt Instrument Maturity Date DebtInstrumentMaturityDate	2028-10-01
CY2022	us-gaap	Interest And Debt Expense InterestAndDebtExpense	32739000	usd
CY2021	us-gaap	Interest And Debt Expense InterestAndDebtExpense	28682000	usd
CY2022	us-gaap	Interest Expense Debt InterestExpenseDebt	31618000	usd
CY2021	us-gaap	Interest Expense Debt InterestExpenseDebt	25609000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	23730000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	43184000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	54903000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	19268000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	52597000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	234375000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	428057000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	14803000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	328000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	14475000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	78732000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	14803000	usd
CY2022Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	93535000	usd
CY2022Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	423363000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	83253000	usd
CY2021Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	83253000	usd
CY2021Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	444740000	usd
CY2022Q4	OSG	Restricted Cash Fair Value Disclosure RestrictedCashFairValueDisclosure	52000	usd
CY2021Q4	OSG	Restricted Cash Fair Value Disclosure RestrictedCashFairValueDisclosure	81000	usd
CY2021Q3	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1000000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	5962000	usd
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	9496000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	10397000	usd
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	12013000	usd
CY2022Q4	us-gaap	Interest Payable Current InterestPayableCurrent	2437000	usd
CY2021Q4	us-gaap	Interest Payable Current InterestPayableCurrent	2565000	usd
CY2022Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	520000	usd
CY2021Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	335000	usd
CY2022Q4	OSG	Accrued Drydock And Repair Costs AccruedDrydockAndRepairCosts	957000	usd
CY2021Q4	OSG	Accrued Drydock And Repair Costs AccruedDrydockAndRepairCosts	450000	usd
CY2022Q4	OSG	Bunkers And Lubricants BunkersAndLubricants	370000	usd
CY2021Q4	OSG	Bunkers And Lubricants BunkersAndLubricants	1125000	usd
CY2022Q4	OSG	Charter Revenues Received In Advance CharterRevenuesReceivedInAdvance	21778000	usd
CY2021Q4	OSG	Charter Revenues Received In Advance CharterRevenuesReceivedInAdvance	18343000	usd
CY2022Q4	OSG	Accrued Vessel Expenses AccruedVesselExpenses	10888000	usd
CY2021Q4	OSG	Accrued Vessel Expenses AccruedVesselExpenses	4095000	usd
CY2022Q4	OSG	Accrued General And Administrative Primarily Professional Fees AccruedGeneralAndAdministrativePrimarilyProfessionalFees	985000	usd
CY2021Q4	OSG	Accrued General And Administrative Primarily Professional Fees AccruedGeneralAndAdministrativePrimarilyProfessionalFees	860000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	612000	usd
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	619000	usd
CY2022Q4	us-gaap	Accounts Payable And Other Accrued Liabilities Current AccountsPayableAndOtherAccruedLiabilitiesCurrent	54906000	usd
CY2021Q4	us-gaap	Accounts Payable And Other Accrued Liabilities Current AccountsPayableAndOtherAccruedLiabilitiesCurrent	49901000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-9000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-8000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-538000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-131000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-4630000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	15275000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1717000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2961000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6894000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-18097000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.004	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.037	pure
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.056	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.009	pure
CY2022	OSG	Effective Income Tax Rate Reconciliation Equity Awards EffectiveIncomeTaxRateReconciliationEquityAwards	0.006	pure
CY2021	OSG	Effective Income Tax Rate Reconciliation Equity Awards EffectiveIncomeTaxRateReconciliationEquityAwards	0.000	pure
CY2022	OSG	Effective Income Tax Rate Reconciliation Return To Provision EffectiveIncomeTaxRateReconciliationReturnToProvision	0.005	pure
CY2021	OSG	Effective Income Tax Rate Reconciliation Return To Provision EffectiveIncomeTaxRateReconciliationReturnToProvision	-0.005	pure
CY2022	OSG	Effective Income Tax Rate Reconciliation Tax Credits Subject To Tonnage Tax EffectiveIncomeTaxRateReconciliationTaxCreditsSubjectToTonnageTax	-0.082	pure
CY2021	OSG	Effective Income Tax Rate Reconciliation Tax Credits Subject To Tonnage Tax EffectiveIncomeTaxRateReconciliationTaxCreditsSubjectToTonnageTax	0.022	pure
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.007	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.008	pure
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.206	pure
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.281	pure
CY2022	OSG	Effective Income Tax Rate Reconciliation Tax Credits Subject To Tonnage Tax EffectiveIncomeTaxRateReconciliationTaxCreditsSubjectToTonnageTax	-0.082	pure
CY2021	OSG	Effective Income Tax Rate Reconciliation Tax Credits Subject To Tonnage Tax EffectiveIncomeTaxRateReconciliationTaxCreditsSubjectToTonnageTax	0.022	pure
CY2022Q4	OSG	Deferred Tax Liabilities Property Plants And Equipment DeferredTaxLiabilitiesPropertyPlantsAndEquipment	119987000	usd
CY2021Q4	OSG	Deferred Tax Liabilities Property Plants And Equipment DeferredTaxLiabilitiesPropertyPlantsAndEquipment	121169000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	8695000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	9445000	usd
CY2022Q4	OSG	Deferred Tax Liabilities Operating Lease Rightofuse Assets DeferredTaxLiabilitiesOperatingLeaseRightofuseAssets	50792000	usd
CY2021Q4	OSG	Deferred Tax Liabilities Operating Lease Rightofuse Assets DeferredTaxLiabilitiesOperatingLeaseRightofuseAssets	40176000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	8000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	9000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	179482000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	170799000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	67686000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	75874000	usd
CY2022Q4	OSG	Deferred Tax Assets Operating Lease Liability DeferredTaxAssetsOperatingLeaseLiability	50622000	usd
CY2021Q4	OSG	Deferred Tax Assets Operating Lease Liability DeferredTaxAssetsOperatingLeaseLiability	40217000	usd
CY2022Q4	OSG	Deferred Tax Assets Finance Lease Liability DeferredTaxAssetsFinanceLeaseLiability	4662000	usd
CY2021Q4	OSG	Deferred Tax Assets Finance Lease Liability DeferredTaxAssetsFinanceLeaseLiability	5180000	usd
CY2022Q4	OSG	Deferred Tax Assets Tax Deferred Expense Employee Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseEmployeeCompensationAndBenefits	-212000	usd
CY2021Q4	OSG	Deferred Tax Assets Tax Deferred Expense Employee Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseEmployeeCompensationAndBenefits	178000	usd
CY2022Q4	OSG	Deferred Tax Assets Financing And Professional Fees DeferredTaxAssetsFinancingAndProfessionalFees	8710000	usd
CY2021Q4	OSG	Deferred Tax Assets Financing And Professional Fees DeferredTaxAssetsFinancingAndProfessionalFees	5993000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	79000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	33000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	131547000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	127475000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	22298000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	20420000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	109249000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	107055000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	70233000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	63744000	usd
CY2022Q4	OSG	Deferred Tax Liabilities For Finance Lease Rightofuse Assets DeferredTaxLiabilitiesForFinanceLeaseRightofuseAssets	4122000	usd
CY2021Q4	OSG	Deferred Tax Liabilities For Finance Lease Rightofuse Assets DeferredTaxLiabilitiesForFinanceLeaseRightofuseAssets	4737000	usd
CY2022Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	199059000	usd
CY2022	OSG	Operating Loss Carryforwards Expiration Period OperatingLossCarryforwardsExpirationPeriod	2034
CY2022Q4	OSG	Operating Loss Carryforwards State OperatingLossCarryforwardsState	719414000	usd
CY2022	us-gaap	Income Tax Examination Description IncomeTaxExaminationDescription	These U.S. state net operating loss carryforwards expire in various years from December 31, 2023 through December 31, 2041.
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	22298000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	20420000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	393000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1751000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	834000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	813000	usd
CY2022	OSG	Unrecognized Tax Benefits Increases Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromPriorPeriodTaxPositions	201000	usd
CY2021	OSG	Unrecognized Tax Benefits Increases Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromPriorPeriodTaxPositions	21000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1035000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	834000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1035000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	834000	usd
CY2022Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	175000	usd
CY2021Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	179000	usd
CY2022Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	5000000	shares
CY2022Q4	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	14740000	usd
CY2022Q4	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	5000000	shares
CY2022Q4	OSG	Stock Repurchased During Period Per Share Amount StockRepurchasedDuringPeriodPerShareAmount	2.95
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Rights ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights	i.) 20% vests on the first anniversary of the grant date, ii.) 30% vests on the second anniversary of the grant date, and iii.) 50% vests on the third anniversary of the grant date.
CY2022	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2	P5Y2M4D
CY2022Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	2.67
CY2021Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	2.67
CY2022Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	4253000	usd
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.206	pure
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.281	pure
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	3410000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	2943000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	3410000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	2943000	usd
CY2022	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	748000	usd
CY2021	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	387000	usd
CY2022	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	-1322000	usd
CY2021	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	-684000	usd
CY2022	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-574000	usd
CY2021	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-297000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	6162000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit After Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax	4785000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	1614000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses After Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax	1375000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	206797000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	152027000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	213248000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	173160000	usd
CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	4000000	usd
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	4000000	usd
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	16456000	usd
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	18998000	usd
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	20456000	usd
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	22998000	usd
CY2022Q4	OSG	Property Subject To Or Available For Operating Lease Number Of Vessels PropertySubjectToOrAvailableForOperatingLeaseNumberOfVessels	9	vessels
CY2022	us-gaap	Lessee Operating Lease Description LesseeOperatingLeaseDescription	The Company holds options for eight of the vessels chartered-in. For one vessel, the option can be exercised for three years and is available indefinitely. For another vessel, the Company has two option periods of five years each and, after the five-year optional periods are exercised, can extend the lease for five one-year optional periods. For the remaining six vessels, the options can be exercised for three or five years, which are available indefinitely. The lease payments for the charters-in are fixed throughout the option periods and the options are on a vessel-by-vessel basis that can be exercised individually. On December 8, 2022, the Company exercised its option to extend the terms of six vessels for an additional three years, with terms ending in December 2026
CY2022	OSG	Deferred Payment Obligation DeferredPaymentObligation	8069	usd
CY2022	us-gaap	Operating Lease Expense OperatingLeaseExpense	88849000	usd
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	90166000	usd
CY2022	us-gaap	Sublease Income SubleaseIncome	166530000	usd
CY2021	us-gaap	Sublease Income SubleaseIncome	75516000	usd
CY2022	OSG	Noncash Operating Activities For Obtaining Operating Rightofuse Assets And Liabilities NoncashOperatingActivitiesForObtainingOperatingRightofuseAssetsAndLiabilities	132231000	usd
CY2021	OSG	Noncash Operating Activities For Obtaining Operating Rightofuse Assets And Liabilities NoncashOperatingActivitiesForObtainingOperatingRightofuseAssetsAndLiabilities	15713000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	2949000	usd
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	2949000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1618000	usd
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1799000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Description LesseeOperatingLeaseDescription	lease term of five years and two months, expiring in October 2028.
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	2088000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y9M18D
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P2Y1M6D
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.086	pure
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.065	pure
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P6Y1M6D
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P7Y1M6D
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.073	pure
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.073	pure
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	319532000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	184613000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	90648000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	16776000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	611569000	usd
CY2022	us-gaap	Multiemployer Plan Employer Contribution Cost MultiemployerPlanEmployerContributionCost	3920000	usd
CY2021	us-gaap	Multiemployer Plan Employer Contribution Cost MultiemployerPlanEmployerContributionCost	3765000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	34313000	usd
CY2021Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	45470000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	34313000	usd
CY2021Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	45470000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	35068000	usd
CY2021Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	44872000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.0650	pure
CY2022Q4	OSG	Increase Declining To Ultimate Trend Rate IncreaseDecliningToUltimateTrendRate	0.0475	pure
CY2022Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	35068000	usd
CY2021Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	44872000	usd
CY2022	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	3304000	usd
CY2021	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	2415000	usd
CY2022Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	7177000	usd
CY2021Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	10727000	usd
CY2022	us-gaap	Investment Income Interest InvestmentIncomeInterest	840000	usd
CY2021	us-gaap	Investment Income Interest InvestmentIncomeInterest	5000	usd
CY2022	OSG	Increase Decrease In Investment IncreaseDecreaseInInvestment	60000	usd
CY2021	OSG	Increase Decrease In Investment IncreaseDecreaseInInvestment	-241000	usd
CY2022	us-gaap	Investment Income Net InvestmentIncomeNet	900000	usd
CY2021	us-gaap	Investment Income Net InvestmentIncomeNet	-236000	usd
CY2022	OSG	Pension And Post Retirement Items PensionAndPostRetirementItems	2582000	usd
CY2021	OSG	Pension And Post Retirement Items PensionAndPostRetirementItems	2157000	usd
CY2022	OSG	Miscellaneousnet Miscellaneousnet	-155000	usd
CY2021	OSG	Miscellaneousnet Miscellaneousnet	64000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3327000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1985000	usd
CY2022	dei	Auditor Name AuditorName	GRANT THORNTON LLP
CY2022	dei	Auditor Location AuditorLocation	Tampa, Florida

Files In Submission

Name	View Source	Status
0001493152-23-007123-index-headers.html	Edgar Link	pending
0001493152-23-007123-index.html	Edgar Link	pending
0001493152-23-007123.txt	Edgar Link	pending
0001493152-23-007123-xbrl.zip	Edgar Link	pending
ex21.htm	Edgar Link	pending
ex23-1.htm	Edgar Link	pending
ex31-1.htm	Edgar Link	pending
ex31-2.htm	Edgar Link	pending
ex32.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
form10-k.htm	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
osg-20221231.xsd	Edgar Link	pending
R1.htm	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
osg-20221231_cal.xml	Edgar Link	unprocessable
osg-20221231_def.xml	Edgar Link	unprocessable
osg-20221231_pre.xml	Edgar Link	unprocessable
osg-20221231_lab.xml	Edgar Link	unprocessable
form10-k_htm.xml	Edgar Link	completed
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
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R92.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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OVERSEAS SHIPHOLDING GROUP INC

2023 Q1 Form 10-K Financial Statement

#000149315223007123 Filed on March 09, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission