10-Q Filing

SEACOR HOLDINGS INC /NEW/ CIK: 859598 Q2 2013

Filing Information

Form Type	10-Q
Accession Number	`0000859598-13-000104`
Period End Date	20130630
Filing Date	20130730
Fiscal Year	2013
Fiscal Period	Q2
XBRL Instance	ckh-20130630.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 109 Income Statement 140 Cash Flow Statement 64 Stockholders Equity 30 Comprehensive Income 44

Balance Sheet 109 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$289.85M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$394.78M	USD	Point-in-time
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$1.15M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$381.48M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$248.20M	USD	Point-in-time
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$1.20M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$16.78M	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$28.29M	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$27.26M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$21.67M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	36.74M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	37.04M	shares	Point-in-time
Trade, net of allowance for doubtful accounts	`AccountsReceivableNetCurrent`	$224.94M	USD	Point-in-time
Trade, net of allowance for doubtful accounts	`AccountsReceivableNetCurrent`	$188.13M	USD	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	16.85M	shares	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	16.85M	shares	Point-in-time
Other Receivables	`OtherReceivablesNetCurrent`	$37.20M	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
Other Receivables	`OtherReceivablesNetCurrent`	$45.33M	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Inventories	`InventoryNet`	$22.95M	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Inventories	`InventoryNet`	$25.79M	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$3.53M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$3.53M	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
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$11.71M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$12.72M	USD	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Discontinued operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$108.15M	USD	Point-in-time
Discontinued operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Total current assets	`AssetsCurrent`	$702.36M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$718.62M	USD	Point-in-time
Property, Plant and Equipment, Gross	`PropertyPlantAndEquipmentGross`	$2.21B	USD	Point-in-time
Property, Plant and Equipment, Gross	`PropertyPlantAndEquipmentGross`	$2.24B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$763.80M	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$806.67M	USD	Point-in-time
Property, Plant and Equipment, Net In Service	`PropertyPlantAndEquipmentNetInService`	$1.41B	USD	Point-in-time
Property, Plant and Equipment, Net In Service	`PropertyPlantAndEquipmentNetInService`	$1.47B	USD	Point-in-time
Construction in Progress, Gross	`ConstructionInProgressGross`	$133.99M	USD	Point-in-time
Construction in Progress, Gross	`ConstructionInProgressGross`	$110.30M	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$1.58B	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$1.54B	USD	Point-in-time
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$293.79M	USD	Point-in-time
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$272.54M	USD	Point-in-time
Construction Reserve Funds & Title XI Reserve Funds	`ConstructionReserveFundsTitleXiReserveFunds`	$195.63M	USD	Point-in-time
Construction Reserve Funds & Title XI Reserve Funds	`ConstructionReserveFundsTitleXiReserveFunds`	$150.38M	USD	Point-in-time
Goodwill	`Goodwill`	$17.98M	USD	Point-in-time
Goodwill	`Goodwill`	$17.98M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$14.59M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$15.30M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$49.00M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$55.12M	USD	Point-in-time
Discontinued Operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	-	USD	Point-in-time
Discontinued Operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	$840.72M	USD	Point-in-time
Total assets	`Assets`	$2.77B	USD	Point-in-time
Total assets	`Assets`	$3.85B	USD	Point-in-time
Total assets	`Assets`	$3.70B	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$21.92M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$25.11M	USD	Point-in-time
Current portion of capital lease obligations	`CapitalLeaseObligationsCurrent`	$10.00K	USD	Point-in-time
Current portion of capital lease obligations	`CapitalLeaseObligationsCurrent`	$2.90M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$107.89M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$73.19M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$112.31M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$93.09M	USD	Point-in-time
Discontinued operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$39.84M	USD	Point-in-time
Discontinued operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$265.64M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$210.61M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$655.31M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$674.44M	USD	Point-in-time
Capital Lease Obligations	`CapitalLeaseObligationsNoncurrent`	$24.00K	USD	Point-in-time
Capital Lease Obligations	`CapitalLeaseObligationsNoncurrent`	$59.00K	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$421.62M	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$426.03M	USD	Point-in-time
Deferred Gains and Other Liabilities	`DeferredGainsAndOtherLiabilities`	$115.08M	USD	Point-in-time
Deferred Gains and Other Liabilities	`DeferredGainsAndOtherLiabilities`	$120.34M	USD	Point-in-time
Discontinued Operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	-	USD	Point-in-time
Discontinued Operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	$490.74M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.42B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.96B	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; 36,603,406 and 36,444,439 shares issued in 2012 and 2011, respectively	`CommonStockValue`	$367.00K	USD	Point-in-time
Common stock, $.01 par value, 60,000,000 shares authorized; 36,603,406 and 36,444,439 shares issued in 2012 and 2011, respectively	`CommonStockValue`	$370.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.35B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.33B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.47B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.07B	USD	Point-in-time
Treasury Stock, Value	`TreasuryStockValue`	$1.09B	USD	Point-in-time
Treasury Stock, Value	`TreasuryStockValue`	$1.09B	USD	Point-in-time
Accumulated Other Comprehensive Income (Loss), Net of Tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.99M	USD	Point-in-time
Accumulated Other Comprehensive Income (Loss), Net of Tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-4.24M	USD	Point-in-time
Stockholders' equity attributable to parent, total	`StockholdersEquity`	$1.71B	USD	Point-in-time
Stockholders' equity attributable to parent, total	`StockholdersEquity`	$1.32B	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$24.88M	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$29.02M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.35B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$3.70B	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$2.77B	USD	Point-in-time

Income Statement 140 line items

Line Item	Tag	Value	Unit	Period
Operating Revenues	`Revenues`	$309.23M	USD	1 Quarter
Operating Revenues	`Revenues`	$582.63M	USD	2 Qtrs
Operating Revenues	`Revenues`	$607.07M	USD	2 Qtrs
Operating Revenues	`Revenues`	$315.56M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$240.11M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$452.96M	USD	2 Qtrs
Operating	`OperatingCostsAndExpenses`	$441.03M	USD	2 Qtrs
Operating	`OperatingCostsAndExpenses`	$244.54M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$70.36M	USD	2 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$34.72M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$71.29M	USD	2 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$36.30M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$67.33M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$33.22M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$62.92M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$33.78M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$314.07M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$587.18M	USD	2 Qtrs
Total costs and expenses	`CostsAndExpenses`	$578.72M	USD	2 Qtrs
Total costs and expenses	`CostsAndExpenses`	$308.61M	USD	1 Quarter
Gain (Loss) on Sale of Assets and Asset Impairment Charges	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$3.34M	USD	1 Quarter
Gain (Loss) on Sale of Assets and Asset Impairment Charges	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$12.30M	USD	1 Quarter
Gain (Loss) on Sale of Assets and Asset Impairment Charges	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$7.12M	USD	2 Qtrs
Gain (Loss) on Sale of Assets and Asset Impairment Charges	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$14.32M	USD	2 Qtrs
Operating Income (Loss)	`OperatingIncomeLoss`	$-1.50M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$18.23M	USD	2 Qtrs
Operating Income (Loss)	`OperatingIncomeLoss`	$19.25M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$27.02M	USD	2 Qtrs
Interest income	`InvestmentIncomeInterest`	$7.39M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$6.38M	USD	2 Qtrs
Interest income	`InvestmentIncomeInterest`	$3.22M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$10.04M	USD	2 Qtrs
Interest expense	`InterestExpense`	$20.00M	USD	2 Qtrs
Interest expense	`InterestExpense`	$10.01M	USD	1 Quarter
Interest expense	`InterestExpense`	$20.76M	USD	2 Qtrs
Interest expense	`InterestExpense`	$7.92M	USD	1 Quarter
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	-	USD	2 Qtrs
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	$-160.00K	USD	2 Qtrs
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$6.56M	USD	1 Quarter
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$14.95M	USD	2 Qtrs
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$10.55M	USD	2 Qtrs
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$11.60M	USD	1 Quarter
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$2.55M	USD	1 Quarter
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-825.00K	USD	1 Quarter
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-2.93M	USD	2 Qtrs
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-404.00K	USD	2 Qtrs
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$637.00K	USD	2 Qtrs
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-916.00K	USD	1 Quarter
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-4.93M	USD	2 Qtrs
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-1.02M	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$195.00K	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$359.00K	USD	2 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$198.00K	USD	2 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$443.00K	USD	1 Quarter
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$5.42M	USD	2 Qtrs
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$307.00K	USD	1 Quarter
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-11.49M	USD	2 Qtrs
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$10.95M	USD	1 Quarter
Income from Continuing Operations Before Income Tax Expense and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$6.74M	USD	2 Qtrs
Income from Continuing Operations Before Income Tax Expense and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$32.44M	USD	2 Qtrs
Income from Continuing Operations Before Income Tax Expense and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$19.56M	USD	1 Quarter
Income from Continuing Operations Before Income Tax Expense and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$9.45M	USD	1 Quarter
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$3.25M	USD	1 Quarter
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$5.32M	USD	2 Qtrs
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$12.71M	USD	2 Qtrs
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$7.97M	USD	1 Quarter
Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$11.59M	USD	1 Quarter
Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$19.73M	USD	2 Qtrs
Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$6.20M	USD	1 Quarter
Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$1.42M	USD	2 Qtrs
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$295.00K	USD	1 Quarter
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$7.71M	USD	1 Quarter
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$7.96M	USD	2 Qtrs
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$6.84M	USD	2 Qtrs
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$8.26M	USD	2 Qtrs
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$19.30M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$6.50M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$27.68M	USD	2 Qtrs
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-211.00K	USD	2 Qtrs
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$19.99M	USD	2 Qtrs
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$4.80M	USD	1 Quarter
Net Income	`ProfitLoss`	$11.30M	USD	1 Quarter
Net Income	`ProfitLoss`	$19.30M	USD	1 Quarter
Net Income	`ProfitLoss`	$8.05M	USD	2 Qtrs
Net Income	`ProfitLoss`	$47.67M	USD	2 Qtrs
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$25.00K	USD	1 Quarter
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$50.00K	USD	1 Quarter
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-348.00K	USD	2 Qtrs
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-65.00K	USD	2 Qtrs
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$11.25M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$19.27M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$47.74M	USD	2 Qtrs
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$8.40M	USD	2 Qtrs
Continuing operations	`IncomeLossFromContinuingOperations`	$8.51M	USD	2 Qtrs
Continuing operations	`IncomeLossFromContinuingOperations`	$27.75M	USD	2 Qtrs
Continuing operations	`IncomeLossFromContinuingOperations`	$19.27M	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperations`	$6.45M	USD	1 Quarter
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$4.80M	USD	1 Quarter
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-111.00K	USD	2 Qtrs
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$19.99M	USD	2 Qtrs
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$11.25M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$19.27M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$47.74M	USD	2 Qtrs
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$8.40M	USD	2 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.43	USD	2 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.97	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.31	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.35	USD	2 Qtrs
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$0.97	USD	2 Qtrs
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.01	USD	2 Qtrs
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$0.24	USD	1 Quarter
Earnings Per Share, Basic	`EarningsPerShareBasic`	$0.55	USD	1 Quarter
Earnings Per Share, Basic	`EarningsPerShareBasic`	$0.97	USD	1 Quarter
Earnings Per Share, Basic	`EarningsPerShareBasic`	$2.32	USD	2 Qtrs
Earnings Per Share, Basic	`EarningsPerShareBasic`	$0.42	USD	2 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.31	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.42	USD	2 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.91	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.33	USD	2 Qtrs
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$0.96	USD	2 Qtrs
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$0.23	USD	1 Quarter
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	2 Qtrs
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$2.29	USD	2 Qtrs
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$0.42	USD	2 Qtrs
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$0.91	USD	1 Quarter
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$0.54	USD	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	20.58M	shares	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	19.78M	shares	2 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	20.55M	shares	2 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	19.83M	shares	1 Quarter
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	20.11M	shares	2 Qtrs
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	20.88M	shares	2 Qtrs
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	20.87M	shares	1 Quarter
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	24.39M	shares	1 Quarter

Cash Flow Statement 64 line items

Line Item	Tag	Value	Unit	Period
Net Cash Provided by Operating Activities of Continuing Operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$78.23M	USD	2 Qtrs
Net Cash Provided by Operating Activities of Continuing Operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$65.29M	USD	2 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$87.93M	USD	2 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$99.51M	USD	2 Qtrs
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$7.39M	USD	2 Qtrs
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$125.43M	USD	2 Qtrs
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$26.82M	USD	2 Qtrs
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$31.91M	USD	2 Qtrs
Return of investments and advances from 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$25.64M	USD	2 Qtrs
Return of investments and advances from 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$8.31M	USD	2 Qtrs
Net advances on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	-	USD	2 Qtrs
Net advances on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	$300.00K	USD	2 Qtrs
Principal payments on third party notes receivable, net	`CashInflowAndOutflowFromNotesReceivable`	$4.51M	USD	2 Qtrs
Principal payments on third party notes receivable, net	`CashInflowAndOutflowFromNotesReceivable`	$18.97M	USD	2 Qtrs
Net increase in restricted cash	`IncreaseDecreaseInRestrictedCash`	$-11.51M	USD	2 Qtrs
Net increase in restricted cash	`IncreaseDecreaseInRestrictedCash`	$-2.93M	USD	2 Qtrs
Net (increase) decrease in construction reserve funds and title XI reserve funds	`NetDecreaseInConstructionReserveFundsAndTitleXiReserveFunds`	$-45.25M	USD	2 Qtrs
Net (increase) decrease in construction reserve funds and title XI reserve funds	`NetDecreaseInConstructionReserveFundsAndTitleXiReserveFunds`	$-67.55M	USD	2 Qtrs
Repayments on leases, net	`ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment`	$1.79M	USD	2 Qtrs
Repayments on leases, net	`ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment`	$1.73M	USD	2 Qtrs
Businesses acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$148.08M	USD	2 Qtrs
Businesses acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$10.54M	USD	2 Qtrs
Net cash used in investing activities of continuing operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-155.51M	USD	2 Qtrs
Net cash used in investing activities of continuing operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$71.46M	USD	2 Qtrs
Repayments of Debt and Capital Lease Obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$64.71M	USD	2 Qtrs
Repayments of Debt and Capital Lease Obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$10.03M	USD	2 Qtrs
Net borrowings (repayments) on inventory financing arrangements	`NetPaymentsOnInventoryFinancingArrangements`	$-2.37M	USD	2 Qtrs
Net borrowings (repayments) on inventory financing arrangements	`NetPaymentsOnInventoryFinancingArrangements`	$14.80M	USD	2 Qtrs
Proceeds from issuance of long term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$6.00K	USD	2 Qtrs
Proceeds from issuance of long term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$134.00K	USD	2 Qtrs
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	-	USD	2 Qtrs
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	$17.43M	USD	2 Qtrs
Cash Received (Paid) For Share Settlements from Spinoff Transactions	`CashReceivedPaidForShareSettlementsFromSpinoffTransactions`	$-357.00K	USD	2 Qtrs
Cash Received (Paid) For Share Settlements from Spinoff Transactions	`CashReceivedPaidForShareSettlementsFromSpinoffTransactions`	-	USD	2 Qtrs
Proceeds and tax benefits from share award plans	`ProceedsAndTaxBenefitsFromShareAwardPlans`	$8.78M	USD	2 Qtrs
Proceeds and tax benefits from share award plans	`ProceedsAndTaxBenefitsFromShareAwardPlans`	$6.66M	USD	2 Qtrs
Cash received from (dividends paid to) noncontrolling interests, net	`ProceedsFromPaymentsToMinorityShareholders`	$-1.72M	USD	2 Qtrs
Cash received from (dividends paid to) noncontrolling interests, net	`ProceedsFromPaymentsToMinorityShareholders`	$-3.24M	USD	2 Qtrs
Net cash provided by (used in) financing activities of continuing operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-2.47M	USD	2 Qtrs
Net cash provided by (used in) financing activities of continuing operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-91.86M	USD	2 Qtrs
Effect of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$910.00K	USD	2 Qtrs
Effect of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$-2.56M	USD	2 Qtrs
Net Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$-181.17M	USD	2 Qtrs
Net Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$144.66M	USD	2 Qtrs
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$24.30M	USD	2 Qtrs
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$76.62M	USD	2 Qtrs
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-8.50M	USD	2 Qtrs
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$5.71M	USD	2 Qtrs
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	$6.61M	USD	2 Qtrs
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	$-14.02M	USD	2 Qtrs
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	$143.00K	USD	2 Qtrs
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	$595.00K	USD	2 Qtrs
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$89.54M	USD	2 Qtrs
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$1.92M	USD	2 Qtrs
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-91.63M	USD	2 Qtrs
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$146.58M	USD	2 Qtrs
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$289.85M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$394.78M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$381.48M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$248.20M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$289.85M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$394.78M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$381.48M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$248.20M	USD	Point-in-time

Stockholders Equity 30 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.35B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$978.00K	USD	2 Qtrs
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$7.83M	USD	2 Qtrs
Director stock awards	`StockIssuedDuringPeriodValueDirectorStockAwards`	$-125.00K	USD	2 Qtrs
Restricted stock and restricted stock units	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$-25.00K	USD	2 Qtrs
Stockholders' Equity Note, Spinoff Transaction	`StockholdersEquityNoteSpinoffTransaction`	$-415.37M	USD	2 Qtrs
Stockholders Equity Note Spinoff Transaction, Value, Share Award Settlements for Spin Off	`StockholdersEquityNoteSpinoffTransactionValueShareAwardSettlementsForSpinOff`	$-631.00K	USD	2 Qtrs
Amortization of share awards	`AmortizationOfESOPAward`	$8.81M	USD	2 Qtrs
Stock Issued During Period, Value, Restricted Stock Award, Forfeitures	`StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures`	-	USD	2 Qtrs
Issuance of noncontrolling interests	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$40.00K	USD	2 Qtrs
Dividends paid to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$-3.28M	USD	2 Qtrs
Net Income (Loss) Attributable to Parent	`NetIncomeLoss`	$11.25M	USD	1 Quarter
Net Income (Loss) Attributable to Parent	`NetIncomeLoss`	$19.27M	USD	1 Quarter
Net Income (Loss) Attributable to Parent	`NetIncomeLoss`	$47.74M	USD	2 Qtrs
Net Income (Loss) Attributable to Parent	`NetIncomeLoss`	$8.40M	USD	2 Qtrs
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$25.00K	USD	1 Quarter
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$50.00K	USD	1 Quarter
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-348.00K	USD	2 Qtrs
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-65.00K	USD	2 Qtrs
Net income	`ProfitLoss`	$11.30M	USD	1 Quarter
Net income	`ProfitLoss`	$19.30M	USD	1 Quarter
Net income	`ProfitLoss`	$8.05M	USD	2 Qtrs
Net income	`ProfitLoss`	$47.67M	USD	2 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-556.00K	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$101.00K	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$2.28M	USD	2 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-2.65M	USD	2 Qtrs
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.35B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time

Comprehensive Income 44 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$11.30M	USD	1 Quarter
Net Income	`ProfitLoss`	$19.30M	USD	1 Quarter
Net Income	`ProfitLoss`	$8.05M	USD	2 Qtrs
Net Income	`ProfitLoss`	$47.67M	USD	2 Qtrs
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-1.42M	USD	1 Quarter
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-340.00K	USD	1 Quarter
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-4.54M	USD	2 Qtrs
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$1.78M	USD	2 Qtrs
Reclassification of net foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Reclassification of net foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Reclassification of net foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	-	USD	2 Qtrs
Reclassification of net foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$758.00K	USD	2 Qtrs
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax`	$331.00K	USD	1 Quarter
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax`	$-195.00K	USD	1 Quarter
Reclassification of net derivative losses on cash flow hedges to interest expense or equity in earnings of 50% or less owned companies	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$-19.00K	USD	2 Qtrs
Reclassification of net derivative losses on cash flow hedges to interest expense or equity in earnings of 50% or less owned companies	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	-	USD	2 Qtrs
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	-	USD	1 Quarter
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	-	USD	1 Quarter
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	-	USD	2 Qtrs
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$42.00K	USD	2 Qtrs
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$3.43M	USD	2 Qtrs
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$-3.84M	USD	2 Qtrs
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$-805.00K	USD	1 Quarter
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$142.00K	USD	1 Quarter
Income tax expense	`OtherComprehensiveIncomeLossTax`	$-1.19M	USD	2 Qtrs
Income tax expense	`OtherComprehensiveIncomeLossTax`	$1.15M	USD	2 Qtrs
Income tax expense	`OtherComprehensiveIncomeLossTax`	$-249.00K	USD	1 Quarter
Income tax expense	`OtherComprehensiveIncomeLossTax`	$41.00K	USD	1 Quarter
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-556.00K	USD	1 Quarter
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$101.00K	USD	1 Quarter
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.28M	USD	2 Qtrs
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.65M	USD	2 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$10.74M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$5.39M	USD	2 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$19.40M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$49.96M	USD	2 Qtrs
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-44.00K	USD	1 Quarter
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$92.00K	USD	2 Qtrs
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$48.00K	USD	1 Quarter
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-800.00K	USD	2 Qtrs
Comprehensive Income attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$6.20M	USD	2 Qtrs
Comprehensive Income attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$10.79M	USD	1 Quarter
Comprehensive Income attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$49.86M	USD	2 Qtrs
Comprehensive Income attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$19.35M	USD	1 Quarter

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