10-Q Filing

SEACOR MARINE HOLDINGS INC. CIK: 1690334 Q2 2022

Filing Information

Form Type	10-Q
Accession Number	`0001564590-22-027782`
Period End Date	20220630
Filing Date	20220803
Fiscal Year	2022
Fiscal Period	Q2
XBRL Instance	smhi-10q_20220630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 105 Income Statement 132 Cash Flow Statement 108 Stockholders Equity 42 Comprehensive Income 32

Balance Sheet 105 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$22.61M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$37.62M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$3.60M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$3.30M	USD	Point-in-time
Trade, net of allowance for credit loss accounts of $1,842 and $1,312 in 2022 and 2021, respectively	`AccountsReceivableNetCurrent`	$55.28M	USD	Point-in-time
Trade, net of allowance for credit loss accounts of $1,842 and $1,312 in 2022 and 2021, respectively	`AccountsReceivableNetCurrent`	$55.54M	USD	Point-in-time
Other	`OtherReceivablesNetCurrent`	$7.44M	USD	Point-in-time
Other	`OtherReceivablesNetCurrent`	$6.12M	USD	Point-in-time
Tax receivable	`IncomeTaxesReceivable`	$1.24M	USD	Point-in-time
Tax receivable	`IncomeTaxesReceivable`	$79.00K	USD	Point-in-time
Inventories	`InventoryNet`	$1.72M	USD	Point-in-time
Inventories	`InventoryNet`	$928.00K	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$5.39M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$3.73M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$95.81M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$108.78M	USD	Point-in-time
Historical cost	`PropertyPlantAndEquipmentGross`	$1.00B	USD	Point-in-time
Historical cost	`PropertyPlantAndEquipmentGross`	$972.27M	USD	Point-in-time
Historical cost	`PropertyPlantAndEquipmentGross`	$1.03B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$288.88M	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$325.09M	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$317.30M	USD	Point-in-time
Property and equipment	`PropertyPlantAndEquipmentExcludingConstructionInProgress`	$683.38M	USD	Point-in-time
Property and equipment	`PropertyPlantAndEquipmentExcludingConstructionInProgress`	$707.99M	USD	Point-in-time
Property and equipment	`PropertyPlantAndEquipmentExcludingConstructionInProgress`	$675.06M	USD	Point-in-time
Construction in progress	`ConstructionInProgressGross`	$15.58M	USD	Point-in-time
Construction in progress	`ConstructionInProgressGross`	$15.53M	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$723.52M	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$690.63M	USD	Point-in-time
Right-of-use asset - operating leases	`OperatingLeaseRightOfUseAsset`	$5.69M	USD	Point-in-time
Right-of-use asset - operating leases	`OperatingLeaseRightOfUseAsset`	$6.61M	USD	Point-in-time
Right-of-use asset - finance leases	`FinanceLeaseRightOfUseAsset`	$100.00K	USD	Point-in-time
Right-of-use asset - finance leases	`FinanceLeaseRightOfUseAsset`	$7.13M	USD	Point-in-time
Investments, at equity, and advances to 50% or less owned companies	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$75.92M	USD	Point-in-time
Investments, at equity, and advances to 50% or less owned companies	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$71.73M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$1.77M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$1.93M	USD	Point-in-time
Total assets	`Assets`	$912.50M	USD	Point-in-time
Total assets	`Assets`	$877.11M	USD	Point-in-time
Current portion of operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$2.01M	USD	Point-in-time
Current portion of operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$1.99M	USD	Point-in-time
Current portion of financing lease liabilities	`FinanceLeaseLiabilityCurrent`	$33.00K	USD	Point-in-time
Current portion of financing lease liabilities	`FinanceLeaseLiabilityCurrent`	$282.00K	USD	Point-in-time
Recourse	`RecourseLongTermDebtCurrent`	$31.60M	USD	Point-in-time
Recourse	`RecourseLongTermDebtCurrent`	$33.40M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$28.42M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$39.26M	USD	Point-in-time
Due to SEACOR Holdings	`DueToAffiliateCurrent`	$264.00K	USD	Point-in-time
Due to SEACOR Holdings	`DueToAffiliateCurrent`	$274.00K	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$3.26M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$3.71M	USD	Point-in-time
Accrued interest	`InterestAndDividendsPayableCurrent`	$2.27M	USD	Point-in-time
Accrued interest	`InterestAndDividendsPayableCurrent`	$1.47M	USD	Point-in-time
Deferred revenue and unearned revenue	`ContractWithCustomerLiabilityCurrent`	$1.37M	USD	Point-in-time
Deferred revenue and unearned revenue	`ContractWithCustomerLiabilityCurrent`	$1.61M	USD	Point-in-time
Accrued capital, repair, and maintenance expenditures	`AccruedCapitalRepairAndMaintenanceExpendituresCurrent`	$2.44M	USD	Point-in-time
Accrued capital, repair, and maintenance expenditures	`AccruedCapitalRepairAndMaintenanceExpendituresCurrent`	$8.21M	USD	Point-in-time
Accrued insurance deductibles and premiums	`AccruedInsuranceCurrent`	$2.72M	USD	Point-in-time
Accrued insurance deductibles and premiums	`AccruedInsuranceCurrent`	$2.33M	USD	Point-in-time
Accrued professional fees	`AccruedProfessionalFeesCurrent`	$1.37M	USD	Point-in-time
Accrued professional fees	`AccruedProfessionalFeesCurrent`	$1.21M	USD	Point-in-time
Derivatives	`DerivativeLiabilitiesCurrent`	$1.83M	USD	Point-in-time
Derivatives	`DerivativeLiabilitiesCurrent`	$24.00K	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$6.56M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$4.15M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$84.67M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$97.39M	USD	Point-in-time
Long-term operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$4.03M	USD	Point-in-time
Long-term operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$4.88M	USD	Point-in-time
Long-term financing lease liabilities	`FinanceLeaseLiabilityNoncurrent`	$7.05M	USD	Point-in-time
Long-term financing lease liabilities	`FinanceLeaseLiabilityNoncurrent`	$76.00K	USD	Point-in-time
Recourse	`RecourseLongTermDebtNoncurrent`	$313.22M	USD	Point-in-time
Recourse	`RecourseLongTermDebtNoncurrent`	$327.30M	USD	Point-in-time
Non-recourse	`NonRecourseLongTermDebtNoncurrent`	$5.47M	USD	Point-in-time
Non-recourse	`NonRecourseLongTermDebtNoncurrent`	$5.46M	USD	Point-in-time
Conversion option liability on convertible senior notes	`DerivativeLiabilitiesNoncurrent`	-	USD	Point-in-time
Conversion option liability on convertible senior notes	`DerivativeLiabilitiesNoncurrent`	$1.00K	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$40.68M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$33.74M	USD	Point-in-time
Deferred gains and other liabilities	`OtherLiabilitiesNoncurrent`	$2.70M	USD	Point-in-time
Deferred gains and other liabilities	`OtherLiabilitiesNoncurrent`	$2.89M	USD	Point-in-time
Total liabilities	`Liabilities`	$465.96M	USD	Point-in-time
Total liabilities	`Liabilities`	$463.61M	USD	Point-in-time
Common stock, $.01 par value, 60,000,000 shares authorized; 26,954,299 and 26,120,124 shares issued in 2022 and 2021, respectively	`CommonStockValue`	$262.00K	USD	Point-in-time
Common stock, $.01 par value, 60,000,000 shares authorized; 26,954,299 and 26,120,124 shares issued in 2022 and 2021, respectively	`CommonStockValue`	$272.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$464.22M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$461.93M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-55.42M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-22.91M	USD	Point-in-time
Shares held in treasury of 248,638 and 127,887, respectively, at cost	`TreasuryStockValue`	$1.85M	USD	Point-in-time
Shares held in treasury of 248,638 and 127,887, respectively, at cost	`TreasuryStockValue`	$1.12M	USD	Point-in-time
Accumulated other comprehensive income, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$8.05M	USD	Point-in-time
Accumulated other comprehensive income, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$5.96M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$446.22M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$413.18M	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$320.00K	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$323.00K	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$446.54M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$413.51M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$401.84M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$459.40M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$409.16M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$433.04M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$912.50M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$877.11M	USD	Point-in-time

Income Statement 132 line items

Line Item	Tag	Value	Unit	Period
Operating Revenues	`RevenueFromContractWithCustomerIncludingAssessedTax`	$54.02M	USD	1 Quarter
Operating Revenues	`RevenueFromContractWithCustomerIncludingAssessedTax`	$79.31M	USD	2 Qtrs
Operating Revenues	`RevenueFromContractWithCustomerIncludingAssessedTax`	$99.61M	USD	2 Qtrs
Operating Revenues	`RevenueFromContractWithCustomerIncludingAssessedTax`	$42.80M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$32.62M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$83.64M	USD	2 Qtrs
Operating	`OperatingCostsAndExpenses`	$44.15M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$58.92M	USD	2 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$20.13M	USD	2 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$10.21M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$9.15M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$17.76M	USD	2 Qtrs
Lease expense	`LeaseExpense`	$1.01M	USD	1 Quarter
Lease expense	`LeaseExpense`	$2.31M	USD	2 Qtrs
Lease expense	`LeaseExpense`	$1.23M	USD	1 Quarter
Lease expense	`LeaseExpense`	$2.07M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$28.58M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$28.89M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$14.21M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$14.09M	USD	1 Quarter
Costs and expenses	`CostsAndExpenses`	$134.42M	USD	2 Qtrs
Costs and expenses	`CostsAndExpenses`	$107.89M	USD	2 Qtrs
Costs and expenses	`CostsAndExpenses`	$69.57M	USD	1 Quarter
Costs and expenses	`CostsAndExpenses`	$57.09M	USD	1 Quarter
Gains on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$2.16M	USD	2 Qtrs
Gains on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$20.38M	USD	2 Qtrs
Gains on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$25.00K	USD	1 Quarter
Gains on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$22.65M	USD	1 Quarter
Operating (Loss) Income	`OperatingIncomeLoss`	$8.36M	USD	1 Quarter
Operating (Loss) Income	`OperatingIncomeLoss`	$-32.65M	USD	2 Qtrs
Operating (Loss) Income	`OperatingIncomeLoss`	$-15.53M	USD	1 Quarter
Operating (Loss) Income	`OperatingIncomeLoss`	$-8.20M	USD	2 Qtrs
Interest income	`InvestmentIncomeInterest`	$135.00K	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$1.12M	USD	2 Qtrs
Interest income	`InvestmentIncomeInterest`	$190.00K	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$219.00K	USD	2 Qtrs
Interest expense	`InterestExpense`	$6.99M	USD	1 Quarter
Interest expense	`InterestExpense`	$7.31M	USD	1 Quarter
Interest expense	`InterestExpense`	$13.62M	USD	2 Qtrs
Interest expense	`InterestExpense`	$15.33M	USD	2 Qtrs
SEACOR Holdings guarantee fees	`GuaranteeFeesRelatedParty`	-	USD	1 Quarter
SEACOR Holdings guarantee fees	`GuaranteeFeesRelatedParty`	-	USD	1 Quarter
SEACOR Holdings guarantee fees	`GuaranteeFeesRelatedParty`	-	USD	2 Qtrs
SEACOR Holdings guarantee fees	`GuaranteeFeesRelatedParty`	$7.00K	USD	2 Qtrs
Gain on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	$61.99M	USD	1 Quarter
Gain on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Gain on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	-	USD	2 Qtrs
Gain on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	$61.99M	USD	2 Qtrs
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$-1.00K	USD	2 Qtrs
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$385.00K	USD	2 Qtrs
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$30.00K	USD	1 Quarter
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$33.00K	USD	1 Quarter
Foreign currency gains (losses), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$1.17M	USD	1 Quarter
Foreign currency gains (losses), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-657.00K	USD	1 Quarter
Foreign currency gains (losses), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-1.12M	USD	2 Qtrs
Foreign currency gains (losses), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$1.99M	USD	2 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$-1.00K	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$-41.00K	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$-41.00K	USD	2 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$-1.00K	USD	2 Qtrs
Nonoperating income expense	`NonoperatingIncomeExpense`	$47.04M	USD	2 Qtrs
Nonoperating income expense	`NonoperatingIncomeExpense`	$-5.64M	USD	1 Quarter
Nonoperating income expense	`NonoperatingIncomeExpense`	$-11.45M	USD	2 Qtrs
Nonoperating income expense	`NonoperatingIncomeExpense`	$54.19M	USD	1 Quarter
(Loss) Income from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-21.17M	USD	1 Quarter
(Loss) Income from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$38.84M	USD	2 Qtrs
(Loss) Income from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$62.55M	USD	1 Quarter
(Loss) Income from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-44.10M	USD	2 Qtrs
Income Tax (Benefit) Expense	`IncomeTaxExpenseBenefit`	$-1.63M	USD	1 Quarter
Income Tax (Benefit) Expense	`IncomeTaxExpenseBenefit`	$13.23M	USD	2 Qtrs
Income Tax (Benefit) Expense	`IncomeTaxExpenseBenefit`	$15.91M	USD	1 Quarter
Income Tax (Benefit) Expense	`IncomeTaxExpenseBenefit`	$-4.05M	USD	2 Qtrs
(Loss) Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsAndNoncontrollingInterestAfterTax`	$46.63M	USD	1 Quarter
(Loss) Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsAndNoncontrollingInterestAfterTax`	$-40.04M	USD	2 Qtrs
(Loss) Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsAndNoncontrollingInterestAfterTax`	$25.62M	USD	2 Qtrs
(Loss) Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsAndNoncontrollingInterestAfterTax`	$-19.53M	USD	1 Quarter
Equity in Earnings Gains of 50% or Less Owned Companies	`IncomeLossFromEquityMethodInvestments`	$2.17M	USD	1 Quarter
Equity in Earnings Gains of 50% or Less Owned Companies	`IncomeLossFromEquityMethodInvestments`	$6.27M	USD	2 Qtrs
Equity in Earnings Gains of 50% or Less Owned Companies	`IncomeLossFromEquityMethodInvestments`	$6.09M	USD	2 Qtrs
Equity in Earnings Gains of 50% or Less Owned Companies	`IncomeLossFromEquityMethodInvestments`	$415.00K	USD	1 Quarter
(Loss) Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$31.89M	USD	2 Qtrs
(Loss) Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$48.80M	USD	1 Quarter
(Loss) Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$-33.95M	USD	2 Qtrs
(Loss) Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$-19.12M	USD	1 Quarter
Income on Discontinued Operations, Net of Tax (see Note 12)	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income on Discontinued Operations, Net of Tax (see Note 12)	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	2 Qtrs
Income on Discontinued Operations, Net of Tax (see Note 12)	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$22.93M	USD	2 Qtrs
Income on Discontinued Operations, Net of Tax (see Note 12)	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Net (Loss) Income	`ProfitLoss`	$54.81M	USD	2 Qtrs
Net (Loss) Income	`ProfitLoss`	$-33.95M	USD	2 Qtrs
Net (Loss) Income	`ProfitLoss`	$-19.12M	USD	1 Quarter
Net (Loss) Income	`ProfitLoss`	$48.80M	USD	1 Quarter
Net Income Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.00K	USD	2 Qtrs
Net Income Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.00K	USD	1 Quarter
Net Income Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.00K	USD	1 Quarter
Net Income Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.00K	USD	2 Qtrs
Net (Loss) Income Attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-19.12M	USD	1 Quarter
Net (Loss) Income Attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$54.81M	USD	2 Qtrs
Net (Loss) Income Attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-33.96M	USD	2 Qtrs
Net (Loss) Income Attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$48.80M	USD	1 Quarter
Basic	`IncomeLossFromContinuingOperationsPerBasicShare`	$-0.72	USD	1 Quarter
Basic	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.92	USD	1 Quarter
Basic	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.26	USD	2 Qtrs
Basic	`IncomeLossFromContinuingOperationsPerBasicShare`	$-1.28	USD	2 Qtrs
Diluted	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.79	USD	1 Quarter
Diluted	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.26	USD	2 Qtrs
Diluted	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-1.28	USD	2 Qtrs
Diluted	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-0.72	USD	1 Quarter
Basic	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	2 Qtrs
Basic	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
Basic	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
Basic	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$0.90	USD	2 Qtrs
Diluted	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$0.90	USD	2 Qtrs
Diluted	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	2 Qtrs
Diluted	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Diluted	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$-0.72	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.92	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$2.16	USD	2 Qtrs
Basic	`EarningsPerShareBasic`	$-1.28	USD	2 Qtrs
Diluted	`EarningsPerShareDiluted`	$-0.72	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$2.16	USD	2 Qtrs
Diluted	`EarningsPerShareDiluted`	$1.79	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$-1.28	USD	2 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	25.37M	shares	2 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	26.66M	shares	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	25.44M	shares	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	26.52M	shares	2 Qtrs
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	26.66M	shares	1 Quarter
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	26.52M	shares	2 Qtrs
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.35M	shares	1 Quarter
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	25.37M	shares	2 Qtrs

Cash Flow Statement 108 line items

Line Item	Tag	Value	Unit	Period
Net (Loss) Income	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$33.95M	USD	2 Qtrs
Net (Loss) Income	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-54.81M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$28.58M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$28.89M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$14.21M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$14.09M	USD	1 Quarter
Deferred financing costs amortization	`AmortizationOfFinancingCosts`	$514.00K	USD	2 Qtrs
Deferred financing costs amortization	`AmortizationOfFinancingCosts`	$655.00K	USD	2 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$1.41M	USD	2 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$2.63M	USD	2 Qtrs
Debt discount amortization	`AmortizationOfDebtDiscountPremium`	$3.68M	USD	2 Qtrs
Debt discount amortization	`AmortizationOfDebtDiscountPremium`	$3.43M	USD	2 Qtrs
Allowance for credit losses	`ProvisionForDoubtfulAccounts`	$530.00K	USD	2 Qtrs
Allowance for credit losses	`ProvisionForDoubtfulAccounts`	$156.00K	USD	2 Qtrs
Gain from equipment sales, retirements or impairments	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$2.16M	USD	2 Qtrs
Gain from equipment sales, retirements or impairments	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$20.38M	USD	2 Qtrs
Gain from equipment sales, retirements or impairments	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$25.00K	USD	1 Quarter
Gain from equipment sales, retirements or impairments	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$22.65M	USD	1 Quarter
Gain on the sale of Windcat Workboats	`GainLossOnDispositionOfAssets1`	-	USD	2 Qtrs
Gain on the sale of Windcat Workboats	`GainLossOnDispositionOfAssets1`	$22.76M	USD	2 Qtrs
Gain on debt extinguishment	`GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost`	$62.75M	USD	2 Qtrs
Gain on debt extinguishment	`GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost`	-	USD	2 Qtrs
Derivative losses (gains)	`GainLossOnDerivativeInstrumentsNetPretax`	$-1.00K	USD	2 Qtrs
Derivative losses (gains)	`GainLossOnDerivativeInstrumentsNetPretax`	$385.00K	USD	2 Qtrs
Derivative losses (gains)	`GainLossOnDerivativeInstrumentsNetPretax`	$30.00K	USD	1 Quarter
Derivative losses (gains)	`GainLossOnDerivativeInstrumentsNetPretax`	$33.00K	USD	1 Quarter
Interest on finance leases	`ProceedsFromInterestOnFinanceLeases`	$98.00K	USD	2 Qtrs
Interest on finance leases	`ProceedsFromInterestOnFinanceLeases`	$2.00K	USD	2 Qtrs
Cash settlement payments on derivative transactions, net	`PaymentsForProceedsFromDerivativeInstrumentsOperatingActivities`	$651.00K	USD	2 Qtrs
Cash settlement payments on derivative transactions, net	`PaymentsForProceedsFromDerivativeInstrumentsOperatingActivities`	$1.33M	USD	2 Qtrs
Currency (gains) losses	`ForeignCurrencyTransactionGainLossBeforeTax`	$1.17M	USD	1 Quarter
Currency (gains) losses	`ForeignCurrencyTransactionGainLossBeforeTax`	$-657.00K	USD	1 Quarter
Currency (gains) losses	`ForeignCurrencyTransactionGainLossBeforeTax`	$-1.12M	USD	2 Qtrs
Currency (gains) losses	`ForeignCurrencyTransactionGainLossBeforeTax`	$1.99M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$10.35M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-6.94M	USD	2 Qtrs
Equity earnings	`IncomeLossFromEquityMethodInvestments`	$2.17M	USD	1 Quarter
Equity earnings	`IncomeLossFromEquityMethodInvestments`	$6.27M	USD	2 Qtrs
Equity earnings	`IncomeLossFromEquityMethodInvestments`	$6.09M	USD	2 Qtrs
Equity earnings	`IncomeLossFromEquityMethodInvestments`	$415.00K	USD	1 Quarter
Dividends received from equity investees	`ProceedsFromDividendsReceived`	-	USD	2 Qtrs
Dividends received from equity investees	`ProceedsFromDividendsReceived`	$1.89M	USD	2 Qtrs
Accounts receivables	`IncreaseDecreaseInReceivables`	$571.00K	USD	2 Qtrs
Accounts receivables	`IncreaseDecreaseInReceivables`	$-27.39M	USD	2 Qtrs
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$104.00K	USD	2 Qtrs
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$1.70M	USD	2 Qtrs
Accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$11.63M	USD	2 Qtrs
Accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-6.03M	USD	2 Qtrs
Net cash (used in) provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$9.54M	USD	2 Qtrs
Net cash (used in) provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$-5.84M	USD	2 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$37.00K	USD	2 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$3.65M	USD	2 Qtrs
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$6.68M	USD	2 Qtrs
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$30.14M	USD	2 Qtrs
Proceeds from sale of Windcat Workboats, net of transaction costs and cash sold	`ProceedsFromSaleOfPropertyNetOfTransactionCostsAndCashSold`	-	USD	2 Qtrs
Proceeds from sale of Windcat Workboats, net of transaction costs and cash sold	`ProceedsFromSaleOfPropertyNetOfTransactionCostsAndCashSold`	$38.72M	USD	2 Qtrs
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$736.00K	USD	2 Qtrs
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	-	USD	2 Qtrs
Principal payments on notes due from equity investees	`RepaymentOfNotesReceivableFromRelatedParties`	$351.00K	USD	2 Qtrs
Principal payments on notes due from equity investees	`RepaymentOfNotesReceivableFromRelatedParties`	$3.80M	USD	2 Qtrs
Net cash provided by investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$7.00M	USD	2 Qtrs
Net cash provided by investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$68.26M	USD	2 Qtrs
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$16.50M	USD	2 Qtrs
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$65.09M	USD	2 Qtrs
Payments on debt extinguishment cost	`PaymentsOfDebtExtinguishmentCosts`	-	USD	2 Qtrs
Payments on debt extinguishment cost	`PaymentsOfDebtExtinguishmentCosts`	$755.00K	USD	2 Qtrs
Payments on finance leases	`FinanceLeasePrincipalPayments`	$123.00K	USD	2 Qtrs
Payments on finance leases	`FinanceLeasePrincipalPayments`	$12.00K	USD	2 Qtrs
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	-	USD	2 Qtrs
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$151.00K	USD	2 Qtrs
Issuance of stock	`ProceedsFromIssuanceOfCommonStock`	$10.00K	USD	2 Qtrs
Issuance of stock	`ProceedsFromIssuanceOfCommonStock`	$10.00K	USD	2 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-65.85M	USD	2 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-16.46M	USD	2 Qtrs
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-4.00K	USD	2 Qtrs
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-21.00K	USD	2 Qtrs
Net (Decrease) Increase in Cash, Restricted Cash and Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseContinuingOperationsIncludingExchangeRateEffect`	$-15.32M	USD	2 Qtrs
Net (Decrease) Increase in Cash, Restricted Cash and Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseContinuingOperationsIncludingExchangeRateEffect`	$11.93M	USD	2 Qtrs
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$-171.00K	USD	2 Qtrs
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	-	USD	2 Qtrs
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	-	USD	2 Qtrs
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	-	USD	2 Qtrs
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	-	USD	2 Qtrs
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	-	USD	2 Qtrs
Net Decrease in Cash, Restricted Cash and Cash Equivalents on Discontinued Operations	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseDiscontinuedOperationsIncludingExchangeRateEffect`	-	USD	2 Qtrs
Net Decrease in Cash, Restricted Cash and Cash Equivalents on Discontinued Operations	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseDiscontinuedOperationsIncludingExchangeRateEffect`	$-171.00K	USD	2 Qtrs
Net (Decrease) Increase in Cash, Restricted Cash and Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-15.32M	USD	2 Qtrs
Net (Decrease) Increase in Cash, Restricted Cash and Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$11.76M	USD	2 Qtrs
Cash, Restricted Cash and Cash Equivalents, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$39.54M	USD	Point-in-time
Cash, Restricted Cash and Cash Equivalents, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$41.22M	USD	Point-in-time
Cash, Restricted Cash and Cash Equivalents, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$51.30M	USD	Point-in-time
Cash, Restricted Cash and Cash Equivalents, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$25.90M	USD	Point-in-time
Cash, Restricted Cash and Cash Equivalents, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$39.54M	USD	Point-in-time
Cash, Restricted Cash and Cash Equivalents, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$41.22M	USD	Point-in-time
Cash, Restricted Cash and Cash Equivalents, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$51.30M	USD	Point-in-time
Cash, Restricted Cash and Cash Equivalents, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$25.90M	USD	Point-in-time
Cash paid for interest, excluding capitalized interest	`InterestPaidNet`	$10.34M	USD	2 Qtrs
Cash paid for interest, excluding capitalized interest	`InterestPaidNet`	$11.74M	USD	2 Qtrs
Income taxes refunded, net	`IncomeTaxesPaidNet`	$31.40M	USD	2 Qtrs
Income taxes refunded, net	`IncomeTaxesPaidNet`	$887.00K	USD	2 Qtrs
Decrease in debt related to debt settlement	`IncreaseDecreaseInDebtRelatedToDebtSettlement`	-	USD	2 Qtrs
Decrease in debt related to debt settlement	`IncreaseDecreaseInDebtRelatedToDebtSettlement`	$62.75M	USD	2 Qtrs
Decrease in capital expenditures in accounts payable and accrued liabilities	`IncreaseDecreaseInCapitalExpendituresInAccountsPayableAndAccruedLiabilities`	$3.95M	USD	2 Qtrs
Decrease in capital expenditures in accounts payable and accrued liabilities	`IncreaseDecreaseInCapitalExpendituresInAccountsPayableAndAccruedLiabilities`	-	USD	2 Qtrs
Recognition of a new right-of-use asset - operating leases	`RecognitionOfNewRightOfUseAssetOperatingLeases`	$955.00K	USD	2 Qtrs
Recognition of a new right-of-use asset - operating leases	`RecognitionOfNewRightOfUseAssetOperatingLeases`	$163.00K	USD	2 Qtrs
Recognition of a new right-of-use asset - financing leases	`RecognitionOfNewRightOfUseAssetFinancingLeases`	-	USD	2 Qtrs
Recognition of a new right-of-use asset - financing leases	`RecognitionOfNewRightOfUseAssetFinancingLeases`	$7.25M	USD	2 Qtrs

Stockholders Equity 42 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$446.54M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$413.51M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$401.84M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$459.40M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$409.16M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$433.04M	USD	Point-in-time
Balance (in shares)	`CommonStockSharesIssued`	26.95M	shares	Point-in-time
Balance (in shares)	`CommonStockSharesIssued`	26.12M	shares	Point-in-time
Restricted stock grants	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$2.00K	USD	1 Quarter
Restricted stock grants	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$9.00K	USD	2 Qtrs
Restricted stock grants	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$8.00K	USD	2 Qtrs
Amortization of share awards	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.07M	USD	1 Quarter
Amortization of share awards	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$2.14M	USD	2 Qtrs
Amortization of share awards	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.35M	USD	1 Quarter
Amortization of share awards	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$2.46M	USD	2 Qtrs
Exercise of options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$151.00K	USD	2 Qtrs
Exercise of options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$11.00K	USD	1 Quarter
Exercise of options (in shares)	`StockIssuedDuringPeriodSharesStockOptionsExercised`	34,492.00	shares	2 Qtrs
Restricted stock vesting	`TreasuryStockValueAcquiredCostMethod`	$672.00K	USD	2 Qtrs
Restricted stock vesting	`TreasuryStockValueAcquiredCostMethod`	$10.00K	USD	1 Quarter
Restricted stock vesting	`TreasuryStockValueAcquiredCostMethod`	$272.00K	USD	2 Qtrs
Restricted stock vesting (in shares)	`TreasuryStockSharesAcquired`	120,751.00	shares	2 Qtrs
Director share awards	`StockIssuedDuringPeriodValueIssuedForServices`	$437.00K	USD	2 Qtrs
Director share awards	`StockIssuedDuringPeriodValueIssuedForServices`	$437.00K	USD	1 Quarter
Sale Of Windcat Workboats	`SaleOfWindcatWorkboats`	$-4.20M	USD	2 Qtrs
Sale Of Windcat Workboats	`SaleOfWindcatWorkboats`	$-1.00K	USD	1 Quarter
Net loss (income)	`ProfitLoss`	$54.81M	USD	2 Qtrs
Net loss (income)	`ProfitLoss`	$-33.95M	USD	2 Qtrs
Net loss (income)	`ProfitLoss`	$-19.12M	USD	1 Quarter
Net loss (income)	`ProfitLoss`	$48.80M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossReclassificationNetOfTax`	$-339.00K	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossReclassificationNetOfTax`	$4.32M	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossReclassificationNetOfTax`	$-649.00K	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossReclassificationNetOfTax`	$-1.45M	USD	1 Quarter
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$446.54M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$413.51M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$401.84M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$459.40M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$409.16M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$433.04M	USD	Point-in-time
Balance (in shares)	`CommonStockSharesIssued`	26.95M	shares	Point-in-time
Balance (in shares)	`CommonStockSharesIssued`	26.12M	shares	Point-in-time

Comprehensive Income 32 line items

Line Item	Tag	Value	Unit	Period
Reclassification of derivative losses on cash flow hedges to equity in earnings	`PercentageOfOwnedCompaniesDerivativeLossesOnCashFlowHedgesReclassificationToEquityInEarnings`	0.50	pure	2 Qtrs
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	2 Qtrs
Reclassification of derivative losses on cash flow hedges to equity in earnings	`PercentageOfOwnedCompaniesDerivativeLossesOnCashFlowHedgesReclassificationToEquityInEarnings`	0.50	pure	1 Quarter
Net (Loss) Income	`ProfitLoss`	$54.81M	USD	2 Qtrs
Net (Loss) Income	`ProfitLoss`	$-33.95M	USD	2 Qtrs
Net (Loss) Income	`ProfitLoss`	$-19.12M	USD	1 Quarter
Net (Loss) Income	`ProfitLoss`	$48.80M	USD	1 Quarter
Foreign currency translation (losses) gains	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-4.56M	USD	2 Qtrs
Foreign currency translation (losses) gains	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$4.32M	USD	2 Qtrs
Foreign currency translation (losses) gains	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-70.00K	USD	1 Quarter
Foreign currency translation (losses) gains	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-3.85M	USD	1 Quarter
Derivative gains (losses) on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-95.00K	USD	1 Quarter
Derivative gains (losses) on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$32.00K	USD	2 Qtrs
Derivative gains (losses) on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$351.00K	USD	1 Quarter
Derivative gains (losses) on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$1.16M	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-339.00K	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-2.89M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$4.32M	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-2.10M	USD	2 Qtrs
Comprehensive (Loss) Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-36.05M	USD	2 Qtrs
Comprehensive (Loss) Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-22.01M	USD	1 Quarter
Comprehensive (Loss) Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$48.46M	USD	1 Quarter
Comprehensive (Loss) Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$59.13M	USD	2 Qtrs
Comprehensive Income Attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$3.00K	USD	2 Qtrs
Comprehensive Income Attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$3.00K	USD	1 Quarter
Comprehensive Income Attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.00K	USD	1 Quarter
Comprehensive Income Attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.00K	USD	2 Qtrs
Comprehensive (Loss) Income attributable to SEACOR Marine Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$-22.01M	USD	1 Quarter
Comprehensive (Loss) Income attributable to SEACOR Marine Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$-36.05M	USD	2 Qtrs
Comprehensive (Loss) Income attributable to SEACOR Marine Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$48.46M	USD	1 Quarter
Comprehensive (Loss) Income attributable to SEACOR Marine Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$59.13M	USD	2 Qtrs

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