10-Q Filing

SEACOR MARINE HOLDINGS INC. CIK: 1690334 Q1 2021

Filing Information

Form Type	10-Q
Accession Number	`0001564590-21-024463`
Period End Date	20210331
Filing Date	20210506
Fiscal Year	2021
Fiscal Period	Q1
XBRL Instance	smhi-10q_20210331_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 118 Income Statement 54 Cash Flow Statement 81 Stockholders Equity 26 Comprehensive Income 15

Balance Sheet 118 line items

Line Item	Tag	Value	Unit	Period
Trade receivables, allowance for credit loss	`AllowanceForDoubtfulAccountsReceivableCurrent`	$582.00K	USD	Point-in-time
Trade receivables, allowance for credit loss	`AllowanceForDoubtfulAccountsReceivableCurrent`	$478.00K	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$32.67M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$68.41M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	24.32M	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$3.35M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	23.50M	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$3.35M	USD	Point-in-time
Shares held in treasury (in shares)	`TreasuryStockShares`	73,284.00	shares	Point-in-time
Shares held in treasury (in shares)	`TreasuryStockShares`	125,217.00	shares	Point-in-time
Trade, net of allowance for credit loss accounts of $478 and $582 in 2021 and 2020, respectively	`AccountsReceivableNetCurrent`	$42.68M	USD	Point-in-time
Trade, net of allowance for credit loss accounts of $478 and $582 in 2021 and 2020, respectively	`AccountsReceivableNetCurrent`	$45.33M	USD	Point-in-time
Other	`OtherReceivablesNetCurrent`	$11.27M	USD	Point-in-time
Other	`OtherReceivablesNetCurrent`	$10.92M	USD	Point-in-time
Receivable from SEACOR Holdings	`DueFromAffiliateCurrent`	$19.33M	USD	Point-in-time
Receivable from SEACOR Holdings	`DueFromAffiliateCurrent`	$18.83M	USD	Point-in-time
Tax Receivable	`IncomeTaxesReceivable`	$13.56M	USD	Point-in-time
Tax Receivable	`IncomeTaxesReceivable`	$1.50M	USD	Point-in-time
Inventories	`InventoryNet`	$572.00K	USD	Point-in-time
Inventories	`InventoryNet`	$576.00K	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$2.33M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$3.23M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$423.00K	USD	Point-in-time
Assets held for sale	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$50.23M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$178.70M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$149.86M	USD	Point-in-time
Historical cost	`PropertyPlantAndEquipmentGross`	$857.12M	USD	Point-in-time
Historical cost	`PropertyPlantAndEquipmentGross`	$1.01B	USD	Point-in-time
Historical cost	`PropertyPlantAndEquipmentGross`	$1.00B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$264.37M	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$297.79M	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$291.54M	USD	Point-in-time
Property and equipment	`PropertyPlantAndEquipmentExcludingConstructionInProgress`	$702.64M	USD	Point-in-time
Property and equipment	`PropertyPlantAndEquipmentExcludingConstructionInProgress`	$592.75M	USD	Point-in-time
Property and equipment	`PropertyPlantAndEquipmentExcludingConstructionInProgress`	$721.34M	USD	Point-in-time
Construction in progress	`ConstructionInProgressGross`	$32.33M	USD	Point-in-time
Construction in progress	`ConstructionInProgressGross`	$32.53M	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$753.66M	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$735.17M	USD	Point-in-time
Right-of-Use Asset - Operating Leases	`OperatingLeaseRightOfUseAsset`	$7.05M	USD	Point-in-time
Right-of-Use Asset - Operating Leases	`OperatingLeaseRightOfUseAsset`	$7.13M	USD	Point-in-time
Right-of-Use Asset - Finance Leases	`FinanceLeaseRightOfUseAsset`	$129.00K	USD	Point-in-time
Right-of-Use Asset - Finance Leases	`FinanceLeaseRightOfUseAsset`	$121.00K	USD	Point-in-time
Investments, at Equity, and Advances to 50% or Less Owned Companies	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$75.31M	USD	Point-in-time
Investments, at Equity, and Advances to 50% or Less Owned Companies	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$79.00M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$2.62M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$2.73M	USD	Point-in-time
Total assets	`Assets`	$1.02B	USD	Point-in-time
Total assets	`Assets`	$973.82M	USD	Point-in-time
Current portion of operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$7.03M	USD	Point-in-time
Current portion of operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$5.14M	USD	Point-in-time
Current portion of financing lease liabilities	`FinanceLeaseLiabilityCurrent`	$46.00K	USD	Point-in-time
Current portion of financing lease liabilities	`FinanceLeaseLiabilityCurrent`	$36.00K	USD	Point-in-time
Recourse	`RecourseLongTermDebtCurrent`	$26.83M	USD	Point-in-time
Recourse	`RecourseLongTermDebtCurrent`	$26.73M	USD	Point-in-time
Non-recourse	`NonRecourseLongTermDebtCurrent`	$8.06M	USD	Point-in-time
Non-recourse	`NonRecourseLongTermDebtCurrent`	$5.64M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$29.97M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$21.43M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$1.09M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$1.74M	USD	Point-in-time
Accrued interest	`InterestAndDividendsPayableCurrent`	$1.66M	USD	Point-in-time
Accrued interest	`InterestAndDividendsPayableCurrent`	$3.13M	USD	Point-in-time
Deferred revenue and unearned revenue	`ContractWithCustomerLiabilityCurrent`	$4.57M	USD	Point-in-time
Deferred revenue and unearned revenue	`ContractWithCustomerLiabilityCurrent`	$4.45M	USD	Point-in-time
Accrued capital, repair and maintenance expenditures	`AccruedCapitalRepairAndMaintenanceExpendituresCurrent`	$10.14M	USD	Point-in-time
Accrued capital, repair and maintenance expenditures	`AccruedCapitalRepairAndMaintenanceExpendituresCurrent`	$11.33M	USD	Point-in-time
Accrued insurance deductibles and premiums	`AccruedInsuranceCurrent`	$2.64M	USD	Point-in-time
Accrued insurance deductibles and premiums	`AccruedInsuranceCurrent`	$2.27M	USD	Point-in-time
Accrued professional fees	`AccruedProfessionalFeesCurrent`	$975.00K	USD	Point-in-time
Accrued professional fees	`AccruedProfessionalFeesCurrent`	$735.00K	USD	Point-in-time
Derivatives	`DerivativeLiabilitiesCurrent`	$4.59M	USD	Point-in-time
Derivatives	`DerivativeLiabilitiesCurrent`	$3.16M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$4.25M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$4.44M	USD	Point-in-time
Liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$30.93M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$131.80M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$91.22M	USD	Point-in-time
Long-Term Operating Lease Liabilities	`OperatingLeaseLiabilityNoncurrent`	$4.34M	USD	Point-in-time
Long-Term Operating Lease Liabilities	`OperatingLeaseLiabilityNoncurrent`	$4.78M	USD	Point-in-time
Long-Term Financing Lease Liabilities	`FinanceLeaseLiabilityNoncurrent`	$97.00K	USD	Point-in-time
Long-Term Financing Lease Liabilities	`FinanceLeaseLiabilityNoncurrent`	$105.00K	USD	Point-in-time
Recourse	`RecourseLongTermDebtNoncurrent`	$322.01M	USD	Point-in-time
Recourse	`RecourseLongTermDebtNoncurrent`	$328.69M	USD	Point-in-time
Non-recourse	`NonRecourseLongTermDebtNoncurrent`	$111.82M	USD	Point-in-time
Non-recourse	`NonRecourseLongTermDebtNoncurrent`	$109.84M	USD	Point-in-time
Conversion Option Liability on Convertible Senior Notes	`DerivativeLiabilitiesNoncurrent`	$37.00K	USD	Point-in-time
Conversion Option Liability on Convertible Senior Notes	`DerivativeLiabilitiesNoncurrent`	$2.00K	USD	Point-in-time
Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$31.77M	USD	Point-in-time
Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$35.82M	USD	Point-in-time
Deferred Gains and Other Liabilities	`OtherLiabilitiesNoncurrent`	$4.91M	USD	Point-in-time
Deferred Gains and Other Liabilities	`OtherLiabilitiesNoncurrent`	$3.24M	USD	Point-in-time
Total liabilities	`Liabilities`	$564.66M	USD	Point-in-time
Total liabilities	`Liabilities`	$615.83M	USD	Point-in-time
Common stock, $.01 par value, 60,000,000 shares authorized; 24,319,600 and 23,504,050 shares issued in 2021 and 2020, respectively	`CommonStockValue`	$235.00K	USD	Point-in-time
Common stock, $.01 par value, 60,000,000 shares authorized; 24,319,600 and 23,504,050 shares issued in 2021 and 2020, respectively	`CommonStockValue`	$243.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$452.29M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$451.18M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-51.84M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-50.03M	USD	Point-in-time
Shares held in treasury of 125,217 and 73,284, respectively, at cost	`TreasuryStockValue`	$848.00K	USD	Point-in-time
Shares held in treasury of 125,217 and 73,284, respectively, at cost	`TreasuryStockValue`	$1.11M	USD	Point-in-time
Accumulated other comprehensive gain, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$7.45M	USD	Point-in-time
Accumulated other comprehensive gain, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$2.79M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$401.52M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$408.84M	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$319.00K	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$319.00K	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$401.84M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$409.16M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$455.31M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$478.92M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$973.82M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$1.02B	USD	Point-in-time

Income Statement 54 line items

Line Item	Tag	Value	Unit	Period
Operating Revenues	`RevenueFromContractWithCustomerIncludingAssessedTax`	$35.67M	USD	1 Quarter
Operating Revenues	`RevenueFromContractWithCustomerIncludingAssessedTax`	$36.51M	USD	1 Quarter
Gain on sale of windcat workboats	`GainLossOnDispositionOfAssets1`	$22.76M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$20.73M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$26.31M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$8.61M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$9.39M	USD	1 Quarter
Lease expense	`LeaseExpense`	$1.08M	USD	1 Quarter
Lease expense	`LeaseExpense`	$3.33M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$13.36M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$14.80M	USD	1 Quarter
Costs and expenses	`CostsAndExpenses`	$46.82M	USD	1 Quarter
Costs and expenses	`CostsAndExpenses`	$50.79M	USD	1 Quarter
Losses on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$-2.27M	USD	1 Quarter
Losses on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$-12.57M	USD	1 Quarter
Operating Loss	`OperatingIncomeLoss`	$-23.72M	USD	1 Quarter
Operating Loss	`OperatingIncomeLoss`	$-16.55M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$986.00K	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$662.00K	USD	1 Quarter
Interest expense	`InterestExpense`	$8.02M	USD	1 Quarter
Interest expense	`InterestExpense`	$7.37M	USD	1 Quarter
SEACOR Holdings guarantee fees	`GuaranteeFeesRelatedParty`	$7.00K	USD	1 Quarter
SEACOR Holdings guarantee fees	`GuaranteeFeesRelatedParty`	$16.00K	USD	1 Quarter
Derivative gains, net	`GainLossOnDerivativeInstrumentsNetPretax`	$355.00K	USD	1 Quarter
Derivative gains, net	`GainLossOnDerivativeInstrumentsNetPretax`	$5.11M	USD	1 Quarter
Foreign currency gains (losses), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$710.00K	USD	1 Quarter
Foreign currency gains (losses), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-466.00K	USD	1 Quarter
Nonoperating income expense	`NonoperatingIncomeExpense`	$-904.00K	USD	1 Quarter
Nonoperating income expense	`NonoperatingIncomeExpense`	$-7.15M	USD	1 Quarter
Loss from Continuing Operations Before Income Tax Benefit and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-24.62M	USD	1 Quarter
Loss from Continuing Operations Before Income Tax Benefit and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-23.70M	USD	1 Quarter
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$-6.66M	USD	1 Quarter
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$-2.69M	USD	1 Quarter
Loss from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsAndNoncontrollingInterestAfterTax`	$-21.02M	USD	1 Quarter
Loss from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsAndNoncontrollingInterestAfterTax`	$-17.96M	USD	1 Quarter
Equity in Earnings Gains of 50% or Less Owned Companies	`IncomeLossFromEquityMethodInvestments`	$25.00K	USD	1 Quarter
Equity in Earnings Gains of 50% or Less Owned Companies	`IncomeLossFromEquityMethodInvestments`	$4.10M	USD	1 Quarter
Loss from Continuing Operations	`IncomeLossFromContinuingOperations`	$-16.91M	USD	1 Quarter
Loss from Continuing Operations	`IncomeLossFromContinuingOperations`	$-17.94M	USD	1 Quarter
Income (Loss) on Discontinued Operations, Net of Tax (see Note 12 and includes gain of $22,756 on the sale of Windcat Workboats)	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-2.05M	USD	1 Quarter
Income (Loss) on Discontinued Operations, Net of Tax (see Note 12 and includes gain of $22,756 on the sale of Windcat Workboats)	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$22.93M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$6.01M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-19.99M	USD	1 Quarter
Net Income (Loss) Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$-4.05M	USD	1 Quarter
Net Income (Loss) attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-15.95M	USD	1 Quarter
Net Income (Loss) attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$6.01M	USD	1 Quarter
Continuing Operations	`IncomeLossFromContinuingOperationsPerBasicAndDilutedShare`	$-0.67	USD	1 Quarter
Continuing Operations	`IncomeLossFromContinuingOperationsPerBasicAndDilutedShare`	$-0.58	USD	1 Quarter
Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare`	$0.91	USD	1 Quarter
Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare`	$-0.08	USD	1 Quarter
Basic and Diluted Loss Per Common Share and Warrants	`EarningsPerShareBasicAndDiluted`	$-0.66	USD	1 Quarter
Basic and Diluted Loss Per Common Share and Warrants	`EarningsPerShareBasicAndDiluted`	$0.24	USD	1 Quarter
Basic and diluted shares	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	23.99M	shares	1 Quarter
Basic and diluted shares	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	25.30M	shares	1 Quarter

Cash Flow Statement 81 line items

Line Item	Tag	Value	Unit	Period
Net Income (Loss)	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-17.94M	USD	1 Quarter
Net Income (Loss)	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$6.01M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$13.36M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$14.80M	USD	1 Quarter
Deferred financing costs amortization	`AmortizationOfFinancingCosts`	$260.00K	USD	1 Quarter
Deferred financing costs amortization	`AmortizationOfFinancingCosts`	$279.00K	USD	1 Quarter
Amortization of employee share awards	`EmployeeBenefitsAndShareBasedCompensation`	$1.11M	USD	1 Quarter
Amortization of employee share awards	`EmployeeBenefitsAndShareBasedCompensation`	$1.07M	USD	1 Quarter
Restricted stock vesting	`RestrictedStockVesting`	$175.00K	USD	1 Quarter
Restricted stock vesting	`RestrictedStockVesting`	$262.00K	USD	1 Quarter
Debt discount amortization	`AmortizationOfDebtDiscountPremium`	$1.48M	USD	1 Quarter
Debt discount amortization	`AmortizationOfDebtDiscountPremium`	$1.89M	USD	1 Quarter
Bad debt recoveries (expense)	`ProvisionForDoubtfulAccounts`	$24.00K	USD	1 Quarter
Bad debt recoveries (expense)	`ProvisionForDoubtfulAccounts`	$-80.00K	USD	1 Quarter
Loss from equipment sales, retirements or impairments	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$-2.27M	USD	1 Quarter
Loss from equipment sales, retirements or impairments	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$-12.57M	USD	1 Quarter
Gain on the Sale of Windcat Workboats	`GainLossOnDispositionOfAssets1`	$22.76M	USD	1 Quarter
Derivative gains	`GainLossOnDerivativeInstrumentsNetPretax`	$355.00K	USD	1 Quarter
Derivative gains	`GainLossOnDerivativeInstrumentsNetPretax`	$5.11M	USD	1 Quarter
Cash settlement payments on derivative transactions, net	`PaymentsForProceedsFromDerivativeInstrumentsOperatingActivities`	$199.00K	USD	1 Quarter
Cash settlement payments on derivative transactions, net	`PaymentsForProceedsFromDerivativeInstrumentsOperatingActivities`	$919.00K	USD	1 Quarter
Currency (gains) losses	`ForeignCurrencyTransactionGainLossBeforeTax`	$710.00K	USD	1 Quarter
Currency (gains) losses	`ForeignCurrencyTransactionGainLossBeforeTax`	$-466.00K	USD	1 Quarter
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-7.77M	USD	1 Quarter
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-4.06M	USD	1 Quarter
Equity Earnings	`IncomeLossFromEquityMethodInvestments`	$25.00K	USD	1 Quarter
Equity Earnings	`IncomeLossFromEquityMethodInvestments`	$4.10M	USD	1 Quarter
Accounts receivables	`IncreaseDecreaseInReceivables`	$-11.35M	USD	1 Quarter
Accounts receivables	`IncreaseDecreaseInReceivables`	$11.77M	USD	1 Quarter
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$893.00K	USD	1 Quarter
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-1.19M	USD	1 Quarter
Accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-10.30M	USD	1 Quarter
Accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$4.77M	USD	1 Quarter
Net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$-11.14M	USD	1 Quarter
Net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$-3.38M	USD	1 Quarter
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$2.72M	USD	1 Quarter
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$8.46M	USD	1 Quarter
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$3.27M	USD	1 Quarter
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$3.10M	USD	1 Quarter
Construction reserve funds utilized	`PaymentsForProceedsFromOtherInvestingActivities`	$-9.15M	USD	1 Quarter
Proceeds from sale of Windcat Workboats, net of transaction costs and cash sold	`ProceedsFromSaleOfPropertyNetOfTransactionCostsAndCashSold`	$38.72M	USD	1 Quarter
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$736.00K	USD	1 Quarter
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$245.00K	USD	1 Quarter
Principal payments on notes due from equity investees	`RepaymentOfNotesReceivableFromRelatedParties`	$919.00K	USD	1 Quarter
Net cash provided by investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$39.44M	USD	1 Quarter
Net cash provided by investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$3.55M	USD	1 Quarter
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$5.07M	USD	1 Quarter
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$8.30M	USD	1 Quarter
Interest on Finance Lease	`ProceedsFromInterestOnFinanceLeases`	$2.00K	USD	1 Quarter
Issuance of stock	`ProceedsFromIssuanceOfCommonStock`	$8.00K	USD	1 Quarter
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-5.07M	USD	1 Quarter
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-8.29M	USD	1 Quarter
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-1.04M	USD	1 Quarter
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.62M	USD	1 Quarter
Net Increase (Decrease) in Cash, Restricted Cash and Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseContinuingOperationsIncludingExchangeRateEffect`	$32.39M	USD	1 Quarter
Net Increase (Decrease) in Cash, Restricted Cash and Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseContinuingOperationsIncludingExchangeRateEffect`	$-13.69M	USD	1 Quarter
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$-171.00K	USD	1 Quarter
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$2.55M	USD	1 Quarter
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	-	USD	1 Quarter
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-2.79M	USD	1 Quarter
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	-	USD	1 Quarter
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	$-153.00K	USD	1 Quarter
Effects of Exchange Rate Changes on Cash, Restricted Cash and Cash Equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations`	$-390.00K	USD	1 Quarter
Net Decrease in Cash, Restricted Cash and Cash Equivalents on Discontinued Operations	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseDiscontinuedOperationsIncludingExchangeRateEffect`	$-171.00K	USD	1 Quarter
Net Decrease in Cash, Restricted Cash and Cash Equivalents on Discontinued Operations	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseDiscontinuedOperationsIncludingExchangeRateEffect`	$-782.00K	USD	1 Quarter
Net Increase (Decrease) in Cash, Restricted Cash and Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$32.22M	USD	1 Quarter
Net Increase (Decrease) in Cash, Restricted Cash and Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-14.47M	USD	1 Quarter
Cash, Restricted Cash and Cash Equivalents, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$72.57M	USD	Point-in-time
Cash, Restricted Cash and Cash Equivalents, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$87.05M	USD	Point-in-time
Cash, Restricted Cash and Cash Equivalents, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$71.76M	USD	Point-in-time
Cash, Restricted Cash and Cash Equivalents, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$39.54M	USD	Point-in-time
Cash, Restricted Cash and Cash Equivalents, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$72.57M	USD	Point-in-time
Cash, Restricted Cash and Cash Equivalents, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$87.05M	USD	Point-in-time
Cash, Restricted Cash and Cash Equivalents, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$71.76M	USD	Point-in-time
Cash, Restricted Cash and Cash Equivalents, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$39.54M	USD	Point-in-time
Cash paid for interest, excluding capitalized interest	`InterestPaidNet`	$4.40M	USD	1 Quarter
Cash paid for interest, excluding capitalized interest	`InterestPaidNet`	$4.51M	USD	1 Quarter
Income taxes refunded, net	`IncomeTaxesPaidNet`	$1.57M	USD	1 Quarter
Income taxes refunded, net	`IncomeTaxesPaidNet`	$12.06M	USD	1 Quarter
Decrease in capital expenditures in accounts payable and accrued liabilities	`IncreaseDecreaseInCapitalExpendituresInAccountsPayableAndAccruedLiabilities`	$-1.55M	USD	1 Quarter
Decrease in capital expenditures in accounts payable and accrued liabilities	`IncreaseDecreaseInCapitalExpendituresInAccountsPayableAndAccruedLiabilities`	$-7.21M	USD	1 Quarter

Stockholders Equity 26 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$401.84M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$409.16M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$455.31M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$478.92M	USD	Point-in-time
Balance (in shares)	`CommonStockSharesIssued`	24.32M	shares	Point-in-time
Balance (in shares)	`CommonStockSharesIssued`	23.50M	shares	Point-in-time
Issuance of Common Stock	`StockIssuedDuringPeriodValueNewIssues`	$3.36M	USD	1 Quarter
Restricted stock grants	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$3.00K	USD	1 Quarter
Restricted stock grants	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$8.00K	USD	1 Quarter
Amortization of employee share awards	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.07M	USD	1 Quarter
Amortization of employee share awards	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.11M	USD	1 Quarter
Restricted stock vesting	`TreasuryStockValueAcquiredCostMethod`	$175.00K	USD	1 Quarter
Restricted stock vesting	`TreasuryStockValueAcquiredCostMethod`	$262.00K	USD	1 Quarter
Restricted stock vesting (in shares)	`TreasuryStockSharesAcquired`	51,933.00	shares	1 Quarter
Acquisition of consolidated joint venture	`StockGrantedDuringPeriodValueSharebasedCompensation`	$3.36M	USD	1 Quarter
Sale of Windcat Workboats	`SaleOfWindcatWorkboats`	$4.20M	USD	1 Quarter
Net Income (loss)	`ProfitLoss`	$6.01M	USD	1 Quarter
Net Income (loss)	`ProfitLoss`	$-19.99M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-4.52M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$4.66M	USD	1 Quarter
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$401.84M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$409.16M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$455.31M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$478.92M	USD	Point-in-time
Balance (in shares)	`CommonStockSharesIssued`	24.32M	shares	Point-in-time
Balance (in shares)	`CommonStockSharesIssued`	23.50M	shares	Point-in-time

Comprehensive Income 15 line items

Line Item	Tag	Value	Unit	Period
Reclassification of derivative losses on cash flow hedges to equity in earnings	`PercentageOfOwnedCompaniesDerivativeLossesOnCashFlowHedgesReclassificationToEquityInEarnings`	0.50	pure	1 Quarter
Reclassification of derivative losses on cash flow hedges to equity in earnings	`PercentageOfOwnedCompaniesDerivativeLossesOnCashFlowHedgesReclassificationToEquityInEarnings`	0.50	pure	1 Quarter
Net Income (Loss)	`ProfitLoss`	$6.01M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-19.99M	USD	1 Quarter
Foreign currency translation gains (losses)	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$4.39M	USD	1 Quarter
Foreign currency translation gains (losses)	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-2.53M	USD	1 Quarter
Derivative gains (losses) on cash flows hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-2.04M	USD	1 Quarter
Derivative gains (losses) on cash flows hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$127.00K	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossBeforeTax`	$4.66M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossBeforeTax`	$-4.52M	USD	1 Quarter
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-24.51M	USD	1 Quarter
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$10.67M	USD	1 Quarter
Comprehensive Income (Loss) Attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-4.05M	USD	1 Quarter
Comprehensive Income (Loss) attributable to SEACOR Marine Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$-20.46M	USD	1 Quarter
Comprehensive Income (Loss) attributable to SEACOR Marine Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$10.67M	USD	1 Quarter

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.