10-K Filing

SEACOR MARINE HOLDINGS INC. CIK: 1690334 FY 2017

Filing Information

Form Type	10-K
Accession Number	`0001690334-18-000023`
Period End Date	20171231
Filing Date	20180322
Fiscal Year	2017
Fiscal Period	FY
XBRL Instance	smhi-20171231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 108 Income Statement 120 Cash Flow Statement 148 Stockholders Equity 45 Comprehensive Income 36

Balance Sheet 108 line items

Line Item	Tag	Value	Unit	Period
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$4.04M	USD	Point-in-time
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$5.36M	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$110.23M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$150.24M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$104.77M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$117.31M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$1.46M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	17.68M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	17.67M	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$2.32M	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$40.14M	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	-	USD	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	0.00	shares	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	0.00	shares	Point-in-time
Preferred stock, par value	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, par value	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Trade, net of allowance for doubtful accounts of $4,039 and $5,359 in 2017 and 2016, respectively	`AccountsReceivableNetCurrent`	$44.83M	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Trade, net of allowance for doubtful accounts of $4,039 and $5,359 in 2017 and 2016, respectively	`AccountsReceivableNetCurrent`	$45.62M	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Due from SEACOR Holdings	`DueFromAffiliateCurrent`	$19.10M	USD	Point-in-time
Due from SEACOR Holdings	`DueFromAffiliateCurrent`	-	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Other	`OtherReceivablesNetCurrent`	$12.34M	USD	Point-in-time
Other	`OtherReceivablesNetCurrent`	$21.32M	USD	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Inventories	`InventoryNet`	$3.76M	USD	Point-in-time
Inventories	`InventoryNet`	$3.06M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$3.35M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$3.03M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$177.29M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$250.56M	USD	Point-in-time
Historical cost	`PropertyPlantAndEquipmentGross`	$958.76M	USD	Point-in-time
Historical cost	`PropertyPlantAndEquipmentGross`	$1.10B	USD	Point-in-time
Historical cost	`PropertyPlantAndEquipmentGross`	$1.18B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$560.16M	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$546.96M	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$540.62M	USD	Point-in-time
Property, Plant and Equipment, Net In Service	`PropertyPlantAndEquipmentOther`	$619.68M	USD	Point-in-time
Property, Plant and Equipment, Net In Service	`PropertyPlantAndEquipmentOther`	$418.14M	USD	Point-in-time
Construction in progress	`ConstructionInProgressGross`	$70.16M	USD	Point-in-time
Construction in progress	`ConstructionInProgressGross`	$123.80M	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$541.94M	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$689.83M	USD	Point-in-time
Investments, at Equity, and Advances to 50% or Less Owned Companies	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$92.17M	USD	Point-in-time
Investments, at Equity, and Advances to 50% or Less Owned Companies	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$138.31M	USD	Point-in-time
Construction Reserve Funds	`OtherRestrictedAssetsNoncurrent`	$78.21M	USD	Point-in-time
Construction Reserve Funds	`OtherRestrictedAssetsNoncurrent`	$45.36M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$6.09M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$3.85M	USD	Point-in-time
Total Assets	`Assets`	$1.01B	USD	Point-in-time
Total Assets	`Assets`	$1.02B	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$20.40M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$22.86M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$25.97M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$24.02M	USD	Point-in-time
Due to SEACOR Holdings	`DueToAffiliateCurrent`	$1.36M	USD	Point-in-time
Due to SEACOR Holdings	`DueToAffiliateCurrent`	-	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$5.09M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$4.86M	USD	Point-in-time
Accrued income taxes	`AccruedIncomeTaxesCurrent`	$4.29M	USD	Point-in-time
Accrued income taxes	`AccruedIncomeTaxesCurrent`	$5.55M	USD	Point-in-time
Accrued capital, repair and maintenance expenditures	`AccruedLiabilitiesCurrent`	$8.57M	USD	Point-in-time
Accrued capital, repair and maintenance expenditures	`AccruedLiabilitiesCurrent`	$19.62M	USD	Point-in-time
Deferred revenues	`DeferredRevenueCurrent`	$10.10M	USD	Point-in-time
Deferred revenues	`DeferredRevenueCurrent`	$6.95M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$11.88M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$8.71M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$99.22M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$81.02M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$217.81M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$292.04M	USD	Point-in-time
Exchange Option Liability on 3.75% Convertible Senior Notes	`DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent`	-	USD	Point-in-time
Exchange Option Liability on 3.75% Convertible Senior Notes	`DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent`	$6.83M	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$55.51M	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$124.94M	USD	Point-in-time
Deferred Gains and Other Liabilities	`OtherLiabilitiesNoncurrent`	$31.74M	USD	Point-in-time
Deferred Gains and Other Liabilities	`OtherLiabilitiesNoncurrent`	$41.20M	USD	Point-in-time
Total liabilities	`Liabilities`	$485.34M	USD	Point-in-time
Total liabilities	`Liabilities`	$464.96M	USD	Point-in-time
Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued nor outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued nor outstanding	`PreferredStockValue`	-	USD	Point-in-time
Common stock, $.01 par value, 60,000,000 shares authorized; 17,675,356 and 17,671,356 shares issued in 2017 and 2016, respectively	`CommonStockValue`	$177.00K	USD	Point-in-time
Common stock, $.01 par value, 60,000,000 shares authorized; 17,675,356 and 17,671,356 shares issued in 2017 and 2016, respectively	`CommonStockValue`	$177.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$306.36M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$304.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$249.41M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$216.51M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-11.34M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-6.09M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-3.65M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-12.49M	USD	Point-in-time
Stockholders' equity attributable to SEACOR Holdings Inc.	`StockholdersEquity`	$508.19M	USD	Point-in-time
Stockholders' equity attributable to SEACOR Holdings Inc.	`StockholdersEquity`	$544.61M	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$14.97M	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$5.54M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$523.17M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$709.86M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$550.15M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$689.85M	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$1.01B	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$1.02B	USD	Point-in-time

Income Statement 120 line items

Line Item	Tag	Value	Unit	Period
Operating Revenues	`Revenues`	$54.12M	USD	1 Quarter
Operating Revenues	`Revenues`	$59.88M	USD	1 Quarter
Operating Revenues	`Revenues`	$368.87M	USD	Annual
Operating Revenues	`Revenues`	$42.32M	USD	1 Quarter
Operating Revenues	`Revenues`	$215.64M	USD	Annual
Operating Revenues	`Revenues`	$49.34M	USD	1 Quarter
Operating Revenues	`Revenues`	$34.30M	USD	1 Quarter
Operating Revenues	`Revenues`	$44.36M	USD	1 Quarter
Operating Revenues	`Revenues`	$173.78M	USD	Annual
Operating Revenues	`Revenues`	$47.81M	USD	1 Quarter
Operating Revenues	`Revenues`	$57.27M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$275.97M	USD	Annual
Operating	`OperatingCostsAndExpenses`	$159.60M	USD	Annual
Operating	`OperatingCostsAndExpenses`	$166.93M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$49.31M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$53.09M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$56.22M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$61.73M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$58.07M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$62.78M	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$278.60M	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$390.79M	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$274.30M	USD	Annual
Losses on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$-17.02M	USD	Annual
Losses on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$-23.55M	USD	Annual
Losses on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$-116.22M	USD	Annual
Operating Loss	`OperatingIncomeLoss`	$-128.36M	USD	Annual
Operating Loss	`OperatingIncomeLoss`	$-44.81M	USD	1 Quarter
Operating Loss	`OperatingIncomeLoss`	$-41.07M	USD	1 Quarter
Operating Loss	`OperatingIncomeLoss`	$-38.94M	USD	Annual
Operating Loss	`OperatingIncomeLoss`	$-18.59M	USD	1 Quarter
Operating Loss	`OperatingIncomeLoss`	$-34.51M	USD	1 Quarter
Operating Loss	`OperatingIncomeLoss`	$-174.89M	USD	Annual
Operating Loss	`OperatingIncomeLoss`	$-82.72M	USD	1 Quarter
Operating Loss	`OperatingIncomeLoss`	$-16.59M	USD	1 Quarter
Operating Loss	`OperatingIncomeLoss`	$-29.13M	USD	1 Quarter
Operating Loss	`OperatingIncomeLoss`	$-35.83M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$836.00K	USD	Annual
Interest income	`InvestmentIncomeInterest`	$4.46M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$1.80M	USD	Annual
Interest expense	`InterestExpense`	$10.01M	USD	Annual
Interest expense	`InterestExpense`	$16.53M	USD	Annual
Interest expense	`InterestExpense`	$4.12M	USD	Annual
Interest income on advances and notes with SEACOR Holdings, net	`InterestIncomeRelatedParty`	-	USD	Annual
Interest income on advances and notes with SEACOR Holdings, net	`InterestIncomeRelatedParty`	-	USD	Annual
Interest income on advances and notes with SEACOR Holdings, net	`InterestIncomeRelatedParty`	$691.00K	USD	Annual
SEACOR Holdings management fees	`ManagementFeeExpense`	$3.21M	USD	Annual
SEACOR Holdings management fees	`ManagementFeeExpense`	$7.70M	USD	Annual
SEACOR Holdings management fees	`ManagementFeeExpense`	$4.70M	USD	Annual
SEACOR Holdings guarantee fees	`CostsAndExpensesRelatedParty`	$201.00K	USD	Annual
SEACOR Holdings guarantee fees	`CostsAndExpensesRelatedParty`	-	USD	Annual
SEACOR Holdings guarantee fees	`CostsAndExpensesRelatedParty`	$315.00K	USD	Annual
Marketable security gains (losses), net	`MarketableSecuritiesGainLoss`	$-45.00K	USD	Annual
Marketable security gains (losses), net	`MarketableSecuritiesGainLoss`	$-3.82M	USD	Annual
Marketable security gains (losses), net	`MarketableSecuritiesGainLoss`	$10.93M	USD	Annual
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$-2.77M	USD	Annual
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$3.00M	USD	Annual
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$20.26M	USD	Annual
Foreign currency losses, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-27.00K	USD	Annual
Foreign currency losses, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-3.31M	USD	Annual
Foreign currency losses, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-1.71M	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$-6.00K	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$261.00K	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$-1.49M	USD	Annual
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$11.34M	USD	Annual
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-15.42M	USD	Annual
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-13.64M	USD	Annual
Loss Before Income Tax Benefit and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-52.58M	USD	Annual
Loss Before Income Tax Benefit and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-190.31M	USD	Annual
Loss Before Income Tax Benefit and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-117.02M	USD	Annual
Current	`CurrentIncomeTaxExpenseBenefit`	$-13.40M	USD	Annual
Current	`CurrentIncomeTaxExpenseBenefit`	$-15.42M	USD	Annual
Current	`CurrentIncomeTaxExpenseBenefit`	$-487.00K	USD	Annual
Deferred	`DeferredIncomeTaxExpenseBenefit`	$-61.01M	USD	Annual
Deferred	`DeferredIncomeTaxExpenseBenefit`	$-16.49M	USD	Annual
Deferred	`DeferredIncomeTaxExpenseBenefit`	$-48.05M	USD	Annual
Income Tax Benefit	`IncomeTaxExpenseBenefit`	$-63.47M	USD	Annual
Income Tax Benefit	`IncomeTaxExpenseBenefit`	$-74.41M	USD	Annual
Income Tax Benefit	`IncomeTaxExpenseBenefit`	$-16.97M	USD	Annual
Loss Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$-42.62M	USD	Annual
Loss Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$-35.60M	USD	Annual
Loss Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$-126.84M	USD	Annual
Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromEquityMethodInvestments`	$-6.31M	USD	Annual
Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromEquityMethodInvestments`	$4.08M	USD	Annual
Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromEquityMethodInvestments`	$8.76M	USD	Annual
Net Loss	`ProfitLoss`	$-38.54M	USD	Annual
Net Loss	`ProfitLoss`	$-22.36M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-36.49M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-7.60M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-133.15M	USD	Annual
Net Loss	`ProfitLoss`	$27.90M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-30.79M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-26.85M	USD	Annual
Net Loss	`ProfitLoss`	$-28.01M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-12.58M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-61.77M	USD	1 Quarter
Net Income (Loss) Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$403.00K	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$-5.64M	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.10M	USD	Annual
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-20.48M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-33.99M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-7.39M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-32.90M	USD	Annual
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-30.58M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-27.25M	USD	Annual
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$28.96M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-11.96M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-27.93M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-61.58M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-132.05M	USD	Annual
Basic Loss Per Common Share of SEACOR Marine Holdings Inc.	`EarningsPerShareBasic`	$-1.93	USD	1 Quarter
Basic Loss Per Common Share of SEACOR Marine Holdings Inc.	`EarningsPerShareBasic`	$-1.17	USD	1 Quarter
Basic Loss Per Common Share of SEACOR Marine Holdings Inc.	`EarningsPerShareBasic`	$-1.87	USD	Annual
Basic Loss Per Common Share of SEACOR Marine Holdings Inc.	`EarningsPerShareBasic`	$-7.47	USD	Annual
Basic Loss Per Common Share of SEACOR Marine Holdings Inc.	`EarningsPerShareBasic`	$-0.42	USD	1 Quarter
Basic Loss Per Common Share of SEACOR Marine Holdings Inc.	`EarningsPerShareBasic`	$1.65	USD	1 Quarter
Basic Loss Per Common Share of SEACOR Marine Holdings Inc.	`EarningsPerShareBasic`	$-1.54	USD	Annual
Basic Weighted Average Common Shares Outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	17.60M	shares	Annual
Basic Weighted Average Common Shares Outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	17.67M	shares	Annual
Basic Weighted Average Common Shares Outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	17.67M	shares	Annual

Cash Flow Statement 148 line items

Line Item	Tag	Value	Unit	Period
Net Loss	`ProfitLoss`	$-38.54M	USD	Annual
Net Loss	`ProfitLoss`	$-22.36M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-36.49M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-7.60M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-133.15M	USD	Annual
Net Loss	`ProfitLoss`	$27.90M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-30.79M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-26.85M	USD	Annual
Net Loss	`ProfitLoss`	$-28.01M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-12.58M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-61.77M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$61.73M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$58.07M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$62.78M	USD	Annual
Amortization of deferred gains on sale and leaseback transactions	`SaleLeasebackTransactionCurrentPeriodGainRecognized`	$8.20M	USD	Annual
Amortization of deferred gains on sale and leaseback transactions	`SaleLeasebackTransactionCurrentPeriodGainRecognized`	$8.20M	USD	Annual
Amortization of deferred gains on sale and leaseback transactions	`SaleLeasebackTransactionCurrentPeriodGainRecognized`	$8.12M	USD	Annual
Debt discount and issuance cost amortization, net	`AmortizationOfDebtDiscountPremium`	$6.79M	USD	Annual
Debt discount and issuance cost amortization, net	`AmortizationOfDebtDiscountPremium`	$7.40M	USD	Annual
Debt discount and issuance cost amortization, net	`AmortizationOfDebtDiscountPremium`	$683.00K	USD	Annual
Director stock awards	`DirectorStockAwards`	$681.00K	USD	Annual
Director stock awards	`DirectorStockAwards`	-	USD	Annual
Director stock awards	`DirectorStockAwards`	-	USD	Annual
Amortization of share awards	`ShareBasedCompensation`	-	USD	Annual
Amortization of share awards	`ShareBasedCompensation`	-	USD	Annual
Amortization of share awards	`ShareBasedCompensation`	$726.00K	USD	Annual
Bad debt expense (income)	`ProvisionForDoubtfulAccounts`	$4.28M	USD	Annual
Bad debt expense (income)	`ProvisionForDoubtfulAccounts`	$-1.28M	USD	Annual
Bad debt expense (income)	`ProvisionForDoubtfulAccounts`	-	USD	Annual
Losses on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$-17.02M	USD	Annual
Losses on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$-23.55M	USD	Annual
Losses on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$-116.22M	USD	Annual
Marketable security (gains) losses, net	`MarketableSecuritiesGainLoss`	$-45.00K	USD	Annual
Marketable security (gains) losses, net	`MarketableSecuritiesGainLoss`	$-3.82M	USD	Annual
Marketable security (gains) losses, net	`MarketableSecuritiesGainLoss`	$10.93M	USD	Annual
Purchases of marketable securities	`PaymentsForPurchaseOfSecuritiesOperatingActivities`	$36.65M	USD	Annual
Purchases of marketable securities	`PaymentsForPurchaseOfSecuritiesOperatingActivities`	-	USD	Annual
Purchases of marketable securities	`PaymentsForPurchaseOfSecuritiesOperatingActivities`	$23.00M	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleOfSecuritiesOperatingActivities`	$51.88M	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleOfSecuritiesOperatingActivities`	$9.17M	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleOfSecuritiesOperatingActivities`	$6.47M	USD	Annual
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$-2.77M	USD	Annual
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$3.00M	USD	Annual
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$20.26M	USD	Annual
Cash settlements on derivative transactions, net	`PaymentsforProceedsfromDerivativeInstrumentsOperatingActivities`	$1.43M	USD	Annual
Cash settlements on derivative transactions, net	`PaymentsforProceedsfromDerivativeInstrumentsOperatingActivities`	$-1.26M	USD	Annual
Cash settlements on derivative transactions, net	`PaymentsforProceedsfromDerivativeInstrumentsOperatingActivities`	$512.00K	USD	Annual
Foreign currency losses, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-27.00K	USD	Annual
Foreign currency losses, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-3.31M	USD	Annual
Foreign currency losses, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-1.71M	USD	Annual
Deferred income tax benefit	`DeferredIncomeTaxExpenseBenefit`	$-61.01M	USD	Annual
Deferred income tax benefit	`DeferredIncomeTaxExpenseBenefit`	$-16.49M	USD	Annual
Deferred income tax benefit	`DeferredIncomeTaxExpenseBenefit`	$-48.05M	USD	Annual
Other, net	`ProceedsFromOtherOperatingActivities`	$1.48M	USD	Annual
Other, net	`ProceedsFromOtherOperatingActivities`	-	USD	Annual
Other, net	`ProceedsFromOtherOperatingActivities`	-	USD	Annual
Equity in (earnings) losses of 50% or less owned companies, net of tax	`IncomeLossFromEquityMethodInvestments`	$-6.31M	USD	Annual
Equity in (earnings) losses of 50% or less owned companies, net of tax	`IncomeLossFromEquityMethodInvestments`	$4.08M	USD	Annual
Equity in (earnings) losses of 50% or less owned companies, net of tax	`IncomeLossFromEquityMethodInvestments`	$8.76M	USD	Annual
Dividends received from 50% or less owned companies	`ProceedsFromDividendsReceived`	$2.64M	USD	Annual
Dividends received from 50% or less owned companies	`ProceedsFromDividendsReceived`	$777.00K	USD	Annual
Dividends received from 50% or less owned companies	`ProceedsFromDividendsReceived`	$3.93M	USD	Annual
Decrease in receivables	`IncreaseDecreaseInReceivables`	$-39.87M	USD	Annual
Decrease in receivables	`IncreaseDecreaseInReceivables`	$-28.94M	USD	Annual
Decrease in receivables	`IncreaseDecreaseInReceivables`	$-5.64M	USD	Annual
(Increase) decrease in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$18.09M	USD	Annual
(Increase) decrease in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-1.69M	USD	Annual
(Increase) decrease in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-6.23M	USD	Annual
Decrease in accounts payable, accrued expenses and other liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-6.99M	USD	Annual
Decrease in accounts payable, accrued expenses and other liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-22.12M	USD	Annual
Decrease in accounts payable, accrued expenses and other liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-6.46M	USD	Annual
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$20.20M	USD	Annual
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-29.19M	USD	Annual
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$34.74M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$100.88M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$69.02M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$87.77M	USD	Annual
Cash settlements on derivative transactions, net	`PaymentsForProceedsFromHedgeInvestingActivities`	-	USD	Annual
Cash settlements on derivative transactions, net	`PaymentsForProceedsFromHedgeInvestingActivities`	$373.00K	USD	Annual
Cash settlements on derivative transactions, net	`PaymentsForProceedsFromHedgeInvestingActivities`	$369.00K	USD	Annual
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$15.70M	USD	Annual
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$41.92M	USD	Annual
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$10.84M	USD	Annual
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$5.47M	USD	Annual
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$16.86M	USD	Annual
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$24.98M	USD	Annual
Return of investments and advances of 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$15.17M	USD	Annual
Return of investments and advances of 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$7.55M	USD	Annual
Return of investments and advances of 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	-	USD	Annual
(Issuances of) payments received on third party leases and notes receivable, net	`PaymentsForProceedsFromLoansAndLeases`	$13.15M	USD	Annual
(Issuances of) payments received on third party leases and notes receivable, net	`PaymentsForProceedsFromLoansAndLeases`	-	USD	Annual
(Issuances of) payments received on third party leases and notes receivable, net	`PaymentsForProceedsFromLoansAndLeases`	$-124.00K	USD	Annual
Net (increase) decrease in restricted cash	`IncreaseDecreaseInRestrictedCash`	$839.00K	USD	Annual
Net (increase) decrease in restricted cash	`IncreaseDecreaseInRestrictedCash`	-	USD	Annual
Net (increase) decrease in restricted cash	`IncreaseDecreaseInRestrictedCash`	$1.19M	USD	Annual
Net (increase) decrease in construction reserve funds	`PaymentsForProceedsFromOtherInvestingActivities`	$-60.41M	USD	Annual
Net (increase) decrease in construction reserve funds	`PaymentsForProceedsFromOtherInvestingActivities`	$-32.85M	USD	Annual
Net (increase) decrease in construction reserve funds	`PaymentsForProceedsFromOtherInvestingActivities`	$-6.82M	USD	Annual
Cash assumed on consolidation of 50% or less owned companies	`CashAcquiredFromAcquisition`	-	USD	Annual
Cash assumed on consolidation of 50% or less owned companies	`CashAcquiredFromAcquisition`	$1.94M	USD	Annual
Cash assumed on consolidation of 50% or less owned companies	`CashAcquiredFromAcquisition`	-	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$9.75M	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-16.86M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-88.20M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-32.26M	USD	Annual
Payments on long-term debt and capital lease obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$27.15M	USD	Annual
Payments on long-term debt and capital lease obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$11.93M	USD	Annual
Payments on long-term debt and capital lease obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$6.76M	USD	Annual
Proceeds from Issuance of long-term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$42.95M	USD	Annual
Proceeds from Issuance of long-term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$168.56M	USD	Annual
Proceeds from Issuance of long-term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$6.54M	USD	Annual
Payments on advances and notes with SEACOR Holdings, net	`ProceedsFromOtherEquity`	$-50.89M	USD	Annual
Payments on advances and notes with SEACOR Holdings, net	`ProceedsFromOtherEquity`	-	USD	Annual
Payments on advances and notes with SEACOR Holdings, net	`ProceedsFromOtherEquity`	-	USD	Annual
Distribution of SEACOR Marine restricted stock to Company personnel by SEACOR Holdings	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.66M	USD	Annual
Distribution of SEACOR Marine restricted stock to Company personnel by SEACOR Holdings	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Distribution of SEACOR Marine restricted stock to Company personnel by SEACOR Holdings	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Contributions from SEACOR Holdings	`ProceedsFromContributionsFromParent`	$6.90M	USD	Annual
Contributions from SEACOR Holdings	`ProceedsFromContributionsFromParent`	-	USD	Annual
Contributions from SEACOR Holdings	`ProceedsFromContributionsFromParent`	-	USD	Annual
Distributions to SEACOR Holdings	`CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries`	-	USD	Annual
Distributions to SEACOR Holdings	`CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries`	-	USD	Annual
Distributions to SEACOR Holdings	`CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries`	$-1.84M	USD	Annual
Purchase of subsidiary shares from noncontrolling interests	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	$3.69M	USD	Annual
Purchase of subsidiary shares from noncontrolling interests	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	-	USD	Annual
Purchase of subsidiary shares from noncontrolling interests	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	-	USD	Annual
Dividends paid to noncontrolling interests, net	`ProceedsFromPaymentsToMinorityShareholders`	-	USD	Annual
Dividends paid to noncontrolling interests, net	`ProceedsFromPaymentsToMinorityShareholders`	$-205.00K	USD	Annual
Dividends paid to noncontrolling interests, net	`ProceedsFromPaymentsToMinorityShareholders`	$-857.00K	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$15.59M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$115.10M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-11.73M	USD	Annual
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$2.18M	USD	Annual
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$-2.48M	USD	Annual
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$-1.63M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents	`NetCashProvidedByUsedInContinuingOperations`	$-7.08M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents	`NetCashProvidedByUsedInContinuingOperations`	$-32.93M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents	`NetCashProvidedByUsedInContinuingOperations`	$45.47M	USD	Annual
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$110.23M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$150.24M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$104.77M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$117.31M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$110.23M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$150.24M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$104.77M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$117.31M	USD	Point-in-time

Stockholders Equity 45 line items

Line Item	Tag	Value	Unit	Period
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$523.17M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$709.86M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$550.15M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$689.85M	USD	Point-in-time
Formation of SEACOR Marine Holdings Inc.	`ProceedsFromContributionsFromParent`	$6.90M	USD	Annual
Formation of SEACOR Marine Holdings Inc.	`ProceedsFromContributionsFromParent`	-	USD	Annual
Formation of SEACOR Marine Holdings Inc.	`ProceedsFromContributionsFromParent`	-	USD	Annual
Financial support received upon issuance of convertible senior notes, net of tax	`AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt`	$5.53M	USD	Annual
Cash distributions	`CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries`	-	USD	Annual
Cash distributions	`CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries`	-	USD	Annual
Cash distributions	`CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries`	$-1.84M	USD	Annual
Dividends paid to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$205.00K	USD	Annual
Dividends paid to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$857.00K	USD	Annual
Adjustments to Additional Paid in Capital, Other	`AdjustmentsToAdditionalPaidInCapitalOther`	$-2.66M	USD	Annual
Director stock awards	`StockIssuedDuringPeriodValueIssuedForServices`	$681.00K	USD	Annual
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$-726.00K	USD	Annual
Purchase of subsidiary shares from noncontrolling interests, net of tax	`MinorityInterestDecreaseFromRedemptions`	$-3.69M	USD	Annual
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-20.48M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-33.99M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-7.39M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-32.90M	USD	Annual
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-30.58M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-27.25M	USD	Annual
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$28.96M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-11.96M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-27.93M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-61.58M	USD	1 Quarter
Net Loss attributable to SEACOR Marine Holdings Inc.	`NetIncomeLoss`	$-132.05M	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$403.00K	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-5.64M	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.10M	USD	Annual
Net Loss	`ProfitLoss`	$-38.54M	USD	Annual
Net Loss	`ProfitLoss`	$-22.36M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-36.49M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-7.60M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-133.15M	USD	Annual
Net Loss	`ProfitLoss`	$27.90M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-30.79M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-26.85M	USD	Annual
Net Loss	`ProfitLoss`	$-28.01M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-12.58M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-61.77M	USD	1 Quarter
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-6.34M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.89M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-881.00K	USD	Annual

Comprehensive Income 36 line items

Line Item	Tag	Value	Unit	Period
Net Loss	`ProfitLoss`	$-38.54M	USD	Annual
Net Loss	`ProfitLoss`	$-22.36M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-36.49M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-7.60M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-133.15M	USD	Annual
Net Loss	`ProfitLoss`	$27.90M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-30.79M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-26.85M	USD	Annual
Net Loss	`ProfitLoss`	$-28.01M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-12.58M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-61.77M	USD	1 Quarter
Foreign currency translation gains (losses), net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-4.03M	USD	Annual
Foreign currency translation gains (losses), net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$4.65M	USD	Annual
Foreign currency translation gains (losses), net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-9.51M	USD	Annual
Reclassification of foreign currency translation losses to foreign currency losses, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	$-21.00K	USD	Annual
Reclassification of foreign currency translation losses to foreign currency losses, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	-	USD	Annual
Reclassification of foreign currency translation losses to foreign currency losses, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	$-74.00K	USD	Annual
Derivative (gains) losses on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-2.49M	USD	Annual
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$5.38M	USD	Annual
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$-4.21M	USD	Annual
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$-9.17M	USD	Annual
Income tax (expense) benefit	`OtherComprehensiveIncomeLossTax`	$2.82M	USD	Annual
Income tax (expense) benefit	`OtherComprehensiveIncomeLossTax`	$1.32M	USD	Annual
Income tax (expense) benefit	`OtherComprehensiveIncomeLossTax`	$-6.26M	USD	Annual
Other Comprehensive Loss, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-6.34M	USD	Annual
Other Comprehensive Loss, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.89M	USD	Annual
Other Comprehensive Loss, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-881.00K	USD	Annual
Comprehensive Loss	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-39.42M	USD	Annual
Comprehensive Loss	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-29.74M	USD	Annual
Comprehensive Loss	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-139.49M	USD	Annual
Comprehensive Loss attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-39.00K	USD	Annual
Comprehensive Loss attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-5.36M	USD	Annual
Comprehensive Loss attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-2.21M	USD	Annual
Comprehensive Loss attributable to SEACOR Marine Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$-34.06M	USD	Annual
Comprehensive Loss attributable to SEACOR Marine Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$-29.70M	USD	Annual
Comprehensive Loss attributable to SEACOR Marine Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$-137.29M	USD	Annual

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