10-K Filing

SEACOR HOLDINGS INC /NEW/ CIK: 859598 FY 2014

Filing Information

Form Type	10-K
Accession Number	`0000859598-15-000029`
Period End Date	20141231
Filing Date	20150226
Fiscal Year	2014
Fiscal Period	FY
XBRL Instance	ckh-20141231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 117 Income Statement 222 Cash Flow Statement 175 Stockholders Equity 69 Comprehensive Income 44

Balance Sheet 117 line items

Line Item	Tag	Value	Unit	Period
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$1.16M	USD	Point-in-time
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$3.16M	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
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$381.48M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$527.43M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$248.20M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$434.18M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	37.22M	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$16.43M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	37.51M	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$12.18M	USD	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	16.84M	shares	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	19.37M	shares	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$58.00M	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$24.29M	USD	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
Trade, net of allowance for doubtful accounts of $3,162 and $1,162 in 2014 and 2013, respectively	`AccountsReceivableNetCurrent`	$215.77M	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Trade, net of allowance for doubtful accounts of $3,162 and $1,162 in 2014 and 2013, respectively	`AccountsReceivableNetCurrent`	$225.24M	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Other	`OtherReceivablesNetCurrent`	$67.75M	USD	Point-in-time
Other	`OtherReceivablesNetCurrent`	$48.18M	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Inventories	`InventoryNet`	$27.61M	USD	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Inventories	`InventoryNet`	$22.78M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$116.00K	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	-	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$9.01M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$6.70M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$862.28M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$833.40M	USD	Point-in-time
Historical cost	`PropertyPlantAndEquipmentGross`	$2.20B	USD	Point-in-time
Historical cost	`PropertyPlantAndEquipmentGross`	$2.09B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$902.28M	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$866.33M	USD	Point-in-time
Property, Plant and Equipment, Net In Service	`PropertyPlantAndEquipmentOther`	$1.18B	USD	Point-in-time
Property, Plant and Equipment, Net In Service	`PropertyPlantAndEquipmentOther`	$1.33B	USD	Point-in-time
Construction in progress	`ConstructionInProgressGross`	$143.48M	USD	Point-in-time
Construction in progress	`ConstructionInProgressGross`	$318.00M	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$1.50B	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$1.48B	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$1.58B	USD	Point-in-time
Investments, at Equity, and Advances to 50% or Less Owned Companies	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$484.16M	USD	Point-in-time
Investments, at Equity, and Advances to 50% or Less Owned Companies	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$440.85M	USD	Point-in-time
Construction Reserve Funds & Title XI Reserve Funds	`OtherRestrictedAssetsNoncurrent`	$261.74M	USD	Point-in-time
Construction Reserve Funds & Title XI Reserve Funds	`OtherRestrictedAssetsNoncurrent`	$278.02M	USD	Point-in-time
Goodwill	`Goodwill`	$17.98M	USD	Point-in-time
Goodwill	`Goodwill`	$62.76M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$12.42M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$32.73M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$51.29M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$44.62M	USD	Point-in-time
Total Assets	`Assets`	$3.12B	USD	Point-in-time
Total Assets	`Assets`	$3.70B	USD	Point-in-time
Total Assets	`Assets`	$3.25B	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$45.32M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$48.50M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$85.48M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$103.76M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$31.82M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$29.51M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$5.85M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$5.81M	USD	Point-in-time
Accrued income taxes	`AccruedIncomeTaxesCurrent`	$17.73M	USD	Point-in-time
Accrued income taxes	`AccruedIncomeTaxesCurrent`	$6.80M	USD	Point-in-time
Deferred taxes	`DeferredTaxLiabilitiesCurrent`	-	USD	Point-in-time
Deferred taxes	`DeferredTaxLiabilitiesCurrent`	$10.23M	USD	Point-in-time
Short sales of marketable securities	`SecuritiesLoaned`	$7.34M	USD	Point-in-time
Short sales of marketable securities	`SecuritiesLoaned`	$10.70M	USD	Point-in-time
Accrued capital, repair and maintenance expenditures	`AccruedCapitalRepairAndMaintenanceExpendituresCurrent`	$19.98M	USD	Point-in-time
Accrued capital, repair and maintenance expenditures	`AccruedCapitalRepairAndMaintenanceExpendituresCurrent`	$12.84M	USD	Point-in-time
Deferred revenues	`DeferredRevenueCurrent`	$6.59M	USD	Point-in-time
Deferred revenues	`DeferredRevenueCurrent`	$6.79M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$38.06M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$33.26M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$271.95M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$254.42M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$834.38M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$834.12M	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$457.83M	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$432.55M	USD	Point-in-time
Deferred Gains and Other Liabilities	`OtherLiabilitiesNoncurrent`	$144.44M	USD	Point-in-time
Deferred Gains and Other Liabilities	`OtherLiabilitiesNoncurrent`	$188.66M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.69B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.73B	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; 37,505,843 and 37,219,201 shares issued in 2014 and 2013, respectively	`CommonStockValue`	$375.00K	USD	Point-in-time
Common stock, $.01 par value, 60,000,000 shares authorized; 37,505,843 and 37,219,201 shares issued in 2014 and 2013, respectively	`CommonStockValue`	$372.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.49B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.39B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.10B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.20B	USD	Point-in-time
Shares held in treasury of 19,365,716 and 16,837,113 in 2014 and 2013, respectively, at cost	`TreasuryStockValue`	$1.28B	USD	Point-in-time
Shares held in treasury of 19,365,716 and 16,837,113 in 2014 and 2013, respectively, at cost	`TreasuryStockValue`	$1.09B	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.96M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.99M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-3.50M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.19M	USD	Point-in-time
Stockholders' equity attributable to SEACOR Holdings Inc.	`StockholdersEquity`	$1.40B	USD	Point-in-time
Stockholders' equity attributable to SEACOR Holdings Inc.	`StockholdersEquity`	$1.40B	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$24.58M	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$117.99M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.52B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.43B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.81B	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$3.12B	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$3.25B	USD	Point-in-time

Income Statement 222 line items

Line Item	Tag	Value	Unit	Period
Operating Revenues	`Revenues`	$310.02M	USD	1 Quarter
Operating Revenues	`Revenues`	$1.31B	USD	Annual
Operating Revenues	`Revenues`	$338.94M	USD	1 Quarter
Operating Revenues	`Revenues`	$336.78M	USD	1 Quarter
Operating Revenues	`Revenues`	$1.32B	USD	Annual
Operating Revenues	`Revenues`	$1.25B	USD	Annual
Operating Revenues	`Revenues`	$342.22M	USD	1 Quarter
Operating Revenues	`Revenues`	$267.06M	USD	1 Quarter
Operating Revenues	`Revenues`	$327.86M	USD	1 Quarter
Operating Revenues	`Revenues`	$328.22M	USD	1 Quarter
Operating Revenues	`Revenues`	$315.56M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$908.87M	USD	Annual
Operating	`OperatingCostsAndExpenses`	$909.37M	USD	Annual
Operating	`OperatingCostsAndExpenses`	$977.47M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$141.35M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$164.94M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$166.74M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$131.67M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$131.82M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$134.52M	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$1.21B	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$1.18B	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$1.28B	USD	Annual
Gains on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$23.99M	USD	Annual
Gains on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$51.98M	USD	Annual
Gains on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$37.51M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$56.41M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$30.31M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$100.04M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$50.87M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$24.25M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$57.42M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$19.25M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$32.71M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$-1.03M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$51.51M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$165.24M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$19.66M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$17.36M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$15.47M	USD	Annual
Interest expense	`InterestExpense`	$37.89M	USD	Annual
Interest expense	`InterestExpense`	$43.63M	USD	Annual
Interest expense	`InterestExpense`	$42.59M	USD	Annual
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	$-160.00K	USD	Annual
Marketable security gains (losses), net	`MarketableSecuritiesGainLoss`	$12.89M	USD	Annual
Marketable security gains (losses), net	`MarketableSecuritiesGainLoss`	$5.80M	USD	Annual
Marketable security gains (losses), net	`MarketableSecuritiesGainLoss`	$28.76M	USD	Annual
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$-3.90M	USD	Annual
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$-2.81M	USD	Annual
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$-8.32M	USD	Annual
Foreign currency gains (losses), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-3.35M	USD	Annual
Foreign currency gains (losses), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$1.63M	USD	Annual
Foreign currency gains (losses), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-6.33M	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$586.00K	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$7.15M	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$3.44M	USD	Annual
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-32.41M	USD	Annual
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-2.01M	USD	Annual
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-1.83M	USD	Annual
Income from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$54.57M	USD	Annual
Income from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$163.24M	USD	Annual
Income from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$67.63M	USD	Annual
Current	`CurrentIncomeTaxExpenseBenefit`	$16.18M	USD	Annual
Current	`CurrentIncomeTaxExpenseBenefit`	$47.58M	USD	Annual
Current	`CurrentIncomeTaxExpenseBenefit`	$72.26M	USD	Annual
Deferred	`DeferredIncomeTaxExpenseBenefit`	$-23.40M	USD	Annual
Deferred	`DeferredIncomeTaxExpenseBenefit`	$10.57M	USD	Annual
Deferred	`DeferredIncomeTaxExpenseBenefit`	$-17.06M	USD	Annual
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$24.18M	USD	Annual
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$26.75M	USD	Annual
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$55.20M	USD	Annual
Income from Continuing Operations Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$40.88M	USD	Annual
Income from Continuing Operations Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$30.39M	USD	Annual
Income from Continuing Operations Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$108.04M	USD	Annual
Income (Loss) from Equity Method Investments	`IncomeLossFromEquityMethodInvestments`	$7.26M	USD	Annual
Income (Loss) from Equity Method Investments	`IncomeLossFromEquityMethodInvestments`	$16.31M	USD	Annual
Income (Loss) from Equity Method Investments	`IncomeLossFromEquityMethodInvestments`	$-5.76M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-11.04M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$49.33M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$19.30M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$48.15M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$27.52M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$9.12M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$33.78M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$30.77M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$13.71M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$124.35M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$24.63M	USD	Annual
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$35.83M	USD	Annual
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-10.32M	USD	Annual
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-10.32M	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	Annual
Net Income	`ProfitLoss`	$27.52M	USD	1 Quarter
Net Income	`ProfitLoss`	$37.82M	USD	Annual
Net Income	`ProfitLoss`	$30.77M	USD	1 Quarter
Net Income	`ProfitLoss`	$33.78M	USD	1 Quarter
Net Income	`ProfitLoss`	$9.12M	USD	1 Quarter
Net Income	`ProfitLoss`	$49.33M	USD	1 Quarter
Net Income	`ProfitLoss`	$-21.36M	USD	1 Quarter
Net Income	`ProfitLoss`	$13.71M	USD	1 Quarter
Net Income	`ProfitLoss`	$60.46M	USD	Annual
Net Income	`ProfitLoss`	$124.35M	USD	Annual
Net Income	`ProfitLoss`	$19.30M	USD	1 Quarter
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$854.00K	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-756.00K	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$24.21M	USD	Annual
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$8.40M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$40.09M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$61.22M	USD	Annual
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$36.97M	USD	Annual
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$100.13M	USD	Annual
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$27.46M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$19.27M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-20.99M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$11.51M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$21.07M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$30.29M	USD	1 Quarter
Income (Loss) from Continuing Operations Attributable to SEACOR Holdings Inc.	`IncomeLossFromContinuingOperations`	$27.46M	USD	1 Quarter
Income (Loss) from Continuing Operations Attributable to SEACOR Holdings Inc.	`IncomeLossFromContinuingOperations`	$40.09M	USD	1 Quarter
Income (Loss) from Continuing Operations Attributable to SEACOR Holdings Inc.	`IncomeLossFromContinuingOperations`	$47.20M	USD	Annual
Income (Loss) from Continuing Operations Attributable to SEACOR Holdings Inc.	`IncomeLossFromContinuingOperations`	$21.07M	USD	1 Quarter
Income (Loss) from Continuing Operations Attributable to SEACOR Holdings Inc.	`IncomeLossFromContinuingOperations`	$-10.76M	USD	1 Quarter
Income (Loss) from Continuing Operations Attributable to SEACOR Holdings Inc.	`IncomeLossFromContinuingOperations`	$100.13M	USD	Annual
Income (Loss) from Continuing Operations Attributable to SEACOR Holdings Inc.	`IncomeLossFromContinuingOperations`	$25.34M	USD	Annual
Income (Loss) from Continuing Operations Attributable to SEACOR Holdings Inc.	`IncomeLossFromContinuingOperations`	$8.40M	USD	1 Quarter
Income (Loss) from Continuing Operations Attributable to SEACOR Holdings Inc.	`IncomeLossFromContinuingOperations`	$11.51M	USD	1 Quarter
Income (Loss) from Continuing Operations Attributable to SEACOR Holdings Inc.	`IncomeLossFromContinuingOperations`	$19.27M	USD	1 Quarter
Income (Loss) from Continuing Operations Attributable to SEACOR Holdings Inc.	`IncomeLossFromContinuingOperations`	$30.29M	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to SEACOR Holdings Inc.	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to SEACOR Holdings Inc.	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$35.87M	USD	Annual
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to SEACOR Holdings Inc.	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	Annual
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to SEACOR Holdings Inc.	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-10.22M	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to SEACOR Holdings Inc.	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to SEACOR Holdings Inc.	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to SEACOR Holdings Inc.	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-10.22M	USD	Annual
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to SEACOR Holdings Inc.	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to SEACOR Holdings Inc.	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to SEACOR Holdings Inc.	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Basic Share	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.42	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Basic Share	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.24	USD	Annual
Income (Loss) from Continuing Operations, Per Basic Share	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.52	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Basic Share	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.57	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Basic Share	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.37	USD	Annual
Income (Loss) from Continuing Operations, Per Basic Share	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.05	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Basic Share	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.97	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Basic Share	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.22	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Basic Share	`IncomeLossFromContinuingOperationsPerBasicShare`	$5.18	USD	Annual
Income (Loss) from Continuing Operations, Per Basic Share	`IncomeLossFromContinuingOperationsPerBasicShare`	$-0.55	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Basic Share	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.43	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$1.76	USD	Annual
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.51	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	Annual
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.51	USD	Annual
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
Basic Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$1.52	USD	1 Quarter
Basic Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$3.00	USD	Annual
Basic Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$1.43	USD	1 Quarter
Basic Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$5.18	USD	Annual
Basic Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$0.97	USD	1 Quarter
Basic Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$0.57	USD	1 Quarter
Basic Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$1.86	USD	Annual
Basic Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$2.22	USD	1 Quarter
Basic Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$-1.06	USD	1 Quarter
Basic Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$1.05	USD	1 Quarter
Basic Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$0.42	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Diluted Share	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.28	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Diluted Share	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.56	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Diluted Share	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-0.55	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Diluted Share	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.41	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Diluted Share	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.98	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Diluted Share	`IncomeLossFromContinuingOperationsPerDilutedShare`	$4.71	USD	Annual
Income (Loss) from Continuing Operations, Per Diluted Share	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.36	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Diluted Share	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.85	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Diluted Share	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.91	USD	1 Quarter
Income (Loss) from Continuing Operations, Per Diluted Share	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.22	USD	Annual
Income (Loss) from Continuing Operations, Per Diluted Share	`IncomeLossFromContinuingOperationsPerDilutedShare`	$2.32	USD	Annual
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.50	USD	Annual
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$1.73	USD	Annual
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.51	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	Annual
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Diluted Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$0.41	USD	1 Quarter
Diluted Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$0.56	USD	1 Quarter
Diluted Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$1.28	USD	1 Quarter
Diluted Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$1.82	USD	Annual
Diluted Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$1.36	USD	1 Quarter
Diluted Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$4.71	USD	Annual
Diluted Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$1.85	USD	1 Quarter
Diluted Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$2.95	USD	Annual
Diluted Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$0.91	USD	1 Quarter
Diluted Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$0.98	USD	1 Quarter
Diluted Earnings Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$-1.06	USD	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	19.34M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	19.89M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	20.43M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	25.77M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	20.29M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	20.78M	shares	Annual
Special Cash Dividend Declared and Paid Per Common Share of SEACOR Holdings Inc.	`CommonStockDividendsPerShareCashPaid`	-	USD	Annual
Special Cash Dividend Declared and Paid Per Common Share of SEACOR Holdings Inc.	`CommonStockDividendsPerShareCashPaid`	-	USD	Annual
Special Cash Dividend Declared and Paid Per Common Share of SEACOR Holdings Inc.	`CommonStockDividendsPerShareCashPaid`	$5.00	USD	Annual

Cash Flow Statement 175 line items

Line Item	Tag	Value	Unit	Period
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-11.04M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$49.33M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$19.30M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$48.15M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$27.52M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$9.12M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$33.78M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$30.77M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$13.71M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$124.35M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$24.63M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$131.67M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$131.82M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$134.52M	USD	Annual
Amortization of deferred gains on sale and leaseback transactions	`SaleLeasebackTransactionCurrentPeriodGainRecognized`	$16.65M	USD	Annual
Amortization of deferred gains on sale and leaseback transactions	`SaleLeasebackTransactionCurrentPeriodGainRecognized`	$10.69M	USD	Annual
Amortization of deferred gains on sale and leaseback transactions	`SaleLeasebackTransactionCurrentPeriodGainRecognized`	$18.85M	USD	Annual
Debt discount amortization, net	`AmortizationOfDebtDiscountPremium`	$10.55M	USD	Annual
Debt discount amortization, net	`AmortizationOfDebtDiscountPremium`	$16.25M	USD	Annual
Debt discount amortization, net	`AmortizationOfDebtDiscountPremium`	$1.27M	USD	Annual
Amortization of share awards	`AmortizationOfESOPAward`	$-15.12M	USD	Annual
Amortization of share awards	`AmortizationOfESOPAward`	$-32.93M	USD	Annual
Amortization of share awards	`AmortizationOfESOPAward`	$-14.30M	USD	Annual
Director stock awards	`DirectorStockAwards`	$211.00K	USD	Annual
Director stock awards	`DirectorStockAwards`	$357.00K	USD	Annual
Director stock awards	`DirectorStockAwards`	$211.00K	USD	Annual
Bad debt expense (income)	`ProvisionForDoubtfulAccounts`	$1.31M	USD	Annual
Bad debt expense (income)	`ProvisionForDoubtfulAccounts`	$170.00K	USD	Annual
Bad debt expense (income)	`ProvisionForDoubtfulAccounts`	$2.62M	USD	Annual
Gains on asset dispositions and impairments, net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$23.99M	USD	Annual
Gains on asset dispositions and impairments, net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$51.98M	USD	Annual
Gains on asset dispositions and impairments, net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$37.51M	USD	Annual
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	$-160.00K	USD	Annual
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$12.89M	USD	Annual
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$5.80M	USD	Annual
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$28.76M	USD	Annual
Purchases of marketable securities	`PaymentsForPurchaseOfSecuritiesOperatingActivities`	$40.40M	USD	Annual
Purchases of marketable securities	`PaymentsForPurchaseOfSecuritiesOperatingActivities`	$7.39M	USD	Annual
Purchases of marketable securities	`PaymentsForPurchaseOfSecuritiesOperatingActivities`	$15.81M	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleOfSecuritiesOperatingActivities`	$6.80M	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleOfSecuritiesOperatingActivities`	$36.54M	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleOfSecuritiesOperatingActivities`	$12.79M	USD	Annual
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-3.90M	USD	Annual
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-2.81M	USD	Annual
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-8.32M	USD	Annual
Cash settlements on derivative transactions, net	`PaymentsforProceedsfromDerivativeInstrumentsOperatingActivities`	$5.70M	USD	Annual
Cash settlements on derivative transactions, net	`PaymentsforProceedsfromDerivativeInstrumentsOperatingActivities`	$11.87M	USD	Annual
Cash settlements on derivative transactions, net	`PaymentsforProceedsfromDerivativeInstrumentsOperatingActivities`	$11.40M	USD	Annual
Foreign currency (gains) losses, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-3.35M	USD	Annual
Foreign currency (gains) losses, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$1.63M	USD	Annual
Foreign currency (gains) losses, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-6.33M	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$-23.40M	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$10.57M	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$-17.06M	USD	Annual
Equity in (earnings) losses of 50% or less owned companies, net of tax	`IncomeLossFromEquityMethodInvestments`	$7.26M	USD	Annual
Equity in (earnings) losses of 50% or less owned companies, net of tax	`IncomeLossFromEquityMethodInvestments`	$16.31M	USD	Annual
Equity in (earnings) losses of 50% or less owned companies, net of tax	`IncomeLossFromEquityMethodInvestments`	$-5.76M	USD	Annual
Dividends received from 50% or less owned companies	`ProceedsFromDividendsReceived`	$9.29M	USD	Annual
Dividends received from 50% or less owned companies	`ProceedsFromDividendsReceived`	$6.61M	USD	Annual
Dividends received from 50% or less owned companies	`ProceedsFromDividendsReceived`	$9.49M	USD	Annual
Other, net	`PaymentsForOtherOperatingActivities`	$-1.53M	USD	Annual
Other, net	`PaymentsForOtherOperatingActivities`	$-542.00K	USD	Annual
Other, net	`PaymentsForOtherOperatingActivities`	$-9.58M	USD	Annual
Decrease in receivables	`IncreaseDecreaseInReceivables`	$-8.87M	USD	Annual
Decrease in receivables	`IncreaseDecreaseInReceivables`	$-7.51M	USD	Annual
Decrease in receivables	`IncreaseDecreaseInReceivables`	$-18.77M	USD	Annual
(Increase) decrease in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$4.70M	USD	Annual
(Increase) decrease in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-6.66M	USD	Annual
(Increase) decrease in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$2.60M	USD	Annual
Increase (decrease) in accounts payable, accrued expenses and other liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$16.76M	USD	Annual
Increase (decrease) in accounts payable, accrued expenses and other liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-57.70M	USD	Annual
Increase (decrease) in accounts payable, accrued expenses and other liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$4.84M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$191.38M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$185.03M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$81.49M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$360.64M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$239.35M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$195.90M	USD	Annual
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$114.03M	USD	Annual
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$254.76M	USD	Annual
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$263.85M	USD	Annual
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$171.48M	USD	Annual
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$45.57M	USD	Annual
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$90.81M	USD	Annual
Return of investments and advances of 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$36.31M	USD	Annual
Return of investments and advances of 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$18.27M	USD	Annual
Return of investments and advances of 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$87.28M	USD	Annual
Net advances on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	$300.00K	USD	Annual
Net advances on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	-	USD	Annual
Net advances on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	-	USD	Annual
(issuances of) payments received on third party leases and notes receivable, net	`ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment`	$36.03M	USD	Annual
(issuances of) payments received on third party leases and notes receivable, net	`ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment`	$-8.44M	USD	Annual
(issuances of) payments received on third party leases and notes receivable, net	`ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment`	$16.42M	USD	Annual
Net (increase) decrease in restricted cash	`IncreaseDecreaseInRestrictedCash`	$7.00M	USD	Annual
Net (increase) decrease in restricted cash	`IncreaseDecreaseInRestrictedCash`	$-15.30M	USD	Annual
Net (increase) decrease in restricted cash	`IncreaseDecreaseInRestrictedCash`	$4.26M	USD	Annual
Net (increase) decrease in construction reserve funds and title XI funds	`NetDecreaseInConstructionReserveFundsAndTitleXiReserveFunds`	$66.11M	USD	Annual
Net (increase) decrease in construction reserve funds and title XI funds	`NetDecreaseInConstructionReserveFundsAndTitleXiReserveFunds`	$16.28M	USD	Annual
Net (increase) decrease in construction reserve funds and title XI funds	`NetDecreaseInConstructionReserveFundsAndTitleXiReserveFunds`	$-64.34M	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$148.09M	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$11.13M	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$35.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-224.36M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-138.63M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-130.77M	USD	Annual
Payments on long-term debt and capital lease obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$484.15M	USD	Annual
Payments on long-term debt and capital lease obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$35.44M	USD	Annual
Payments on long-term debt and capital lease obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$18.16M	USD	Annual
Net borrowings (repayments) under inventory financing arrangements	`ProceedsFromRepaymentsOfOtherDebt`	$1.53M	USD	Annual
Net borrowings (repayments) under inventory financing arrangements	`ProceedsFromRepaymentsOfOtherDebt`	$-14.60M	USD	Annual
Net borrowings (repayments) under inventory financing arrangements	`ProceedsFromRepaymentsOfOtherDebt`	$-4.24M	USD	Annual
Proceeds from Issuance of long-term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$26.92M	USD	Annual
Proceeds from Issuance of long-term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$176.59M	USD	Annual
Proceeds from Issuance of long-term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$414.05M	USD	Annual
Proceeds from issuance of conversion option in convertible debt, net of offering costs	`ProceedsFromConvertibleDebt`	$48.24M	USD	Annual
Proceeds from issuance of conversion option in convertible debt, net of offering costs	`ProceedsFromConvertibleDebt`	-	USD	Annual
Proceeds from issuance of conversion option in convertible debt, net of offering costs	`ProceedsFromConvertibleDebt`	$47.16M	USD	Annual
Special Cash Dividend	`PaymentsOfDividendsCommonStock`	-	USD	Annual
Special Cash Dividend	`PaymentsOfDividendsCommonStock`	$100.39M	USD	Annual
Special Cash Dividend	`PaymentsOfDividendsCommonStock`	-	USD	Annual
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	$197.34M	USD	Annual
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	$119.55M	USD	Annual
Share award settlements for Era Group employees and directors	`CashReceivedPaidForShareSettlementsFromSpinoffTransactions`	-	USD	Annual
Share award settlements for Era Group employees and directors	`CashReceivedPaidForShareSettlementsFromSpinoffTransactions`	$-357.00K	USD	Annual
Share award settlements for Era Group employees and directors	`CashReceivedPaidForShareSettlementsFromSpinoffTransactions`	-	USD	Annual
Proceeds and tax benefits from share award plans	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$11.68M	USD	Annual
Proceeds and tax benefits from share award plans	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$9.24M	USD	Annual
Proceeds and tax benefits from share award plans	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$19.97M	USD	Annual
Purchase of subsidiary shares from noncontrolling interests	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	$2.09M	USD	Annual
Purchase of subsidiary shares from noncontrolling interests	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	-	USD	Annual
Purchase of subsidiary shares from noncontrolling interests	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	-	USD	Annual
Issuance of noncontrolling interests, net of issue costs	`ProceedsFromMinorityShareholders`	$151.85M	USD	Annual
Issuance of noncontrolling interests, net of issue costs	`ProceedsFromMinorityShareholders`	$83.00K	USD	Annual
Issuance of noncontrolling interests, net of issue costs	`ProceedsFromMinorityShareholders`	$40.00K	USD	Annual
Dividends paid to noncontrolling interests, net	`ProceedsFromPaymentsToMinorityShareholders`	$-6.07M	USD	Annual
Dividends paid to noncontrolling interests, net	`ProceedsFromPaymentsToMinorityShareholders`	$-2.90M	USD	Annual
Dividends paid to noncontrolling interests, net	`ProceedsFromPaymentsToMinorityShareholders`	$-4.19M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-57.17M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$222.57M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-247.53M	USD	Annual
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$2.09M	USD	Annual
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$-3.10M	USD	Annual
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$477.00K	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$277.31M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$-302.58M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$-93.25M	USD	Annual
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$189.22M	USD	Annual
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	-	USD	Annual
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$24.30M	USD	Annual
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-7.67M	USD	Annual
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-8.50M	USD	Annual
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	-	USD	Annual
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	$-12.92M	USD	Annual
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	-	USD	Annual
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	$-14.02M	USD	Annual
Effect of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	-	USD	Annual
Effect of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	$673.00K	USD	Annual
Effect of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	$143.00K	USD	Annual
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	-	USD	Annual
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$169.31M	USD	Annual
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$1.92M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-93.25M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$279.23M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-133.28M	USD	Annual
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$381.48M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$527.43M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$248.20M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$434.18M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$381.48M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$527.43M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$248.20M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$434.18M	USD	Point-in-time

Stockholders Equity 69 line items

Line Item	Tag	Value	Unit	Period
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.52B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.43B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.81B	USD	Point-in-time
Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.96M	USD	Annual
Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.17M	USD	Annual
Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$1.77M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$6.88M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$8.25M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$18.23M	USD	Annual
Director stock awards	`StockIssuedDuringPeriodValueIssuedForServices`	$-210.00K	USD	Annual
Director stock awards	`StockIssuedDuringPeriodValueIssuedForServices`	$-210.00K	USD	Annual
Director stock awards	`StockIssuedDuringPeriodValueIssuedForServices`	$-359.00K	USD	Annual
Restricted stock and restricted stock units	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$348.00K	USD	Annual
Restricted stock and restricted stock units	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$113.00K	USD	Annual
Restricted stock and restricted stock units	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$222.00K	USD	Annual
Windcat Acquisition	`StockIssuedDuringPeriodValueAcquisitions`	-	USD	Annual
Windcat Acquisition	`StockIssuedDuringPeriodValueAcquisitions`	$585.00K	USD	Annual
Windcat Acquisition	`StockIssuedDuringPeriodValueAcquisitions`	-	USD	Annual
Issuance of conversion option in convertible debt, net of tax	`AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt`	$31.36M	USD	Annual
Issuance of conversion option in convertible debt, net of tax	`AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt`	$30.65M	USD	Annual
Special Cash Dividend	`DividendsCommonStockCash`	$-100.39M	USD	Annual
Distribution of Era Group stock to shareholders	`Dividends`	$415.37M	USD	Annual
Share award settlements for Era Group employees and directors	`AdjustmentsToAdditionalPaidInCapitalOther`	$-631.00K	USD	Annual
Purchase of treasury shares	`StockRepurchasedDuringPeriodValue`	$119.55M	USD	Annual
Purchase of treasury shares	`StockRepurchasedDuringPeriodValue`	$-197.34M	USD	Annual
Amortization of share awards	`AmortizationOfESOPAward`	$-15.12M	USD	Annual
Amortization of share awards	`AmortizationOfESOPAward`	$-32.93M	USD	Annual
Amortization of share awards	`AmortizationOfESOPAward`	$-14.30M	USD	Annual
Cancellation of restricted stock	`StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures`	-	USD	Annual
Cancellation of restricted stock	`StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures`	-	USD	Annual
Cancellation of restricted stock	`StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures`	-	USD	Annual
Purchase of subsidiary shares from noncontrolling interests	`MinorityInterestDecreaseFromRedemptions`	$-3.11M	USD	Annual
Acquisition of a subsidiary with noncontrolling interests	`NoncontrollingInterestIncreaseFromBusinessCombination`	$-13.71M	USD	Annual
Disposition of subsidiary with noncontrolling interests	`NoncontrollingInterestDecreaseFromDeconsolidation`	$-1.12M	USD	Annual
Issuance of noncontrolling interests	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$83.00K	USD	Annual
Issuance of noncontrolling interests	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$40.00K	USD	Annual
Issuance of noncontrolling interests	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$152.42M	USD	Annual
Dividends paid to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$6.07M	USD	Annual
Dividends paid to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.19M	USD	Annual
Dividends paid to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$2.90M	USD	Annual
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$8.40M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$40.09M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$61.22M	USD	Annual
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$36.97M	USD	Annual
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$100.13M	USD	Annual
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$27.46M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$19.27M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-20.99M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$11.51M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$21.07M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$30.29M	USD	1 Quarter
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$854.00K	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-756.00K	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$24.21M	USD	Annual
Net Income	`ProfitLoss`	$27.52M	USD	1 Quarter
Net Income	`ProfitLoss`	$37.82M	USD	Annual
Net Income	`ProfitLoss`	$30.77M	USD	1 Quarter
Net Income	`ProfitLoss`	$33.78M	USD	1 Quarter
Net Income	`ProfitLoss`	$9.12M	USD	1 Quarter
Net Income	`ProfitLoss`	$49.33M	USD	1 Quarter
Net Income	`ProfitLoss`	$-21.36M	USD	1 Quarter
Net Income	`ProfitLoss`	$13.71M	USD	1 Quarter
Net Income	`ProfitLoss`	$60.46M	USD	Annual
Net Income	`ProfitLoss`	$124.35M	USD	Annual
Net Income	`ProfitLoss`	$19.30M	USD	1 Quarter
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.79M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$6.40M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$928.00K	USD	Annual

Comprehensive Income 44 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$27.52M	USD	1 Quarter
Net Income	`ProfitLoss`	$37.82M	USD	Annual
Net Income	`ProfitLoss`	$30.77M	USD	1 Quarter
Net Income	`ProfitLoss`	$33.78M	USD	1 Quarter
Net Income	`ProfitLoss`	$9.12M	USD	1 Quarter
Net Income	`ProfitLoss`	$49.33M	USD	1 Quarter
Net Income	`ProfitLoss`	$-21.36M	USD	1 Quarter
Net Income	`ProfitLoss`	$13.71M	USD	1 Quarter
Net Income	`ProfitLoss`	$60.46M	USD	Annual
Net Income	`ProfitLoss`	$124.35M	USD	Annual
Net Income	`ProfitLoss`	$19.30M	USD	1 Quarter
Foreign currency translation gain (losses)	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$4.48M	USD	Annual
Foreign currency translation gain (losses)	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-4.26M	USD	Annual
Foreign currency translation gain (losses)	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$859.00K	USD	Annual
Reclassification of foreign currency translation (gains) losses to foreign currency gains (losses), net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	$165.00K	USD	Annual
Reclassification of foreign currency translation (gains) losses to foreign currency gains (losses), net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	$833.00K	USD	Annual
Reclassification of foreign currency translation (gains) losses to foreign currency gains (losses), net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	$222.00K	USD	Annual
Derivative gains (losses) on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-140.00K	USD	Annual
Derivative gains (losses) on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-1.71M	USD	Annual
Derivative gains (losses) on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$109.00K	USD	Annual
Reclassification of derivative losses on cash flow hedges to equity in earnings (losses) of 50% or less owned companies	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$511.00K	USD	Annual
Reclassification of derivative losses on cash flow hedges to equity in earnings (losses) of 50% or less owned companies	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$2.72M	USD	Annual
Reclassification of derivative losses on cash flow hedges to equity in earnings (losses) of 50% or less owned companies	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$622.00K	USD	Annual
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$21.00K	USD	Annual
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$17.00K	USD	Annual
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$28.00K	USD	Annual
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$-4.03M	USD	Annual
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$9.62M	USD	Annual
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$1.39M	USD	Annual
Income tax (expense) benefit	`OtherComprehensiveIncomeLossTax`	$-1.25M	USD	Annual
Income tax (expense) benefit	`OtherComprehensiveIncomeLossTax`	$457.00K	USD	Annual
Income tax (expense) benefit	`OtherComprehensiveIncomeLossTax`	$-3.22M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.79M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$6.40M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$928.00K	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$66.86M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$121.56M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$38.75M	USD	Annual
Comprehensive Income (Loss) attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$23.74M	USD	Annual
Comprehensive Income (Loss) attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$933.00K	USD	Annual
Comprehensive Income (Loss) attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-327.00K	USD	Annual
Comprehensive Income attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$67.19M	USD	Annual
Comprehensive Income attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$37.82M	USD	Annual
Comprehensive Income attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$97.82M	USD	Annual

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