10-K Filing

TIDEWATER INC CIK: 98222 FY 2020

Filing Information

Form Type	10-K
Accession Number	`0001437749-21-005037`
Period End Date	20201231
Filing Date	20210304
Fiscal Year	2020
Fiscal Period	FY
XBRL Instance	tdw20201231_10k_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 69 Income Statement 87 Cash Flow Statement 132 Stockholders Equity 20 Comprehensive Income 30

Balance Sheet 69 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$149.93M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$218.29M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$2.08M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$5.75M	USD	Point-in-time
Trade and other receivables, less allowance for credit losses of $1,516 as of December 31, 2020 and less allowance for doubtful accounts of $70 as of December 31, 2019	`AccountsAndOtherReceivablesNetCurrent`	$112.62M	USD	Point-in-time
Trade and other receivables, less allowance for credit losses of $1,516 as of December 31, 2020 and less allowance for doubtful accounts of $70 as of December 31, 2019	`AccountsAndOtherReceivablesNetCurrent`	$110.18M	USD	Point-in-time
Due from affiliate, less allowance for credit losses of $71,800 as of December 31, 2020 and less due from affiliate allowance of $20,083 as of December 31, 2019	`DueFromAffiliateCurrent`	$125.97M	USD	Point-in-time
Due from affiliate, less allowance for credit losses of $71,800 as of December 31, 2020 and less due from affiliate allowance of $20,083 as of December 31, 2019	`DueFromAffiliateCurrent`	$62.05M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.00	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.00	USD	Point-in-time
Marine operating supplies	`Supplies`	$21.86M	USD	Point-in-time
Marine operating supplies	`Supplies`	$15.88M	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	$39.29M	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	$34.40M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	125.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	125.00M	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$11.69M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	39.94M	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$15.96M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	40.70M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	40.70M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	39.94M	shares	Point-in-time
Total current assets	`AssetsCurrent`	$388.65M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$537.30M	USD	Point-in-time
Net properties and equipment	`PropertyPlantAndEquipmentNet`	$780.32M	USD	Point-in-time
Net properties and equipment	`PropertyPlantAndEquipmentNet`	$938.96M	USD	Point-in-time
Deferred drydocking and survey costs	`DeferredCosts`	$56.47M	USD	Point-in-time
Deferred drydocking and survey costs	`DeferredCosts`	$66.94M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$36.34M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$25.74M	USD	Point-in-time
Total assets	`Assets`	$1.25B	USD	Point-in-time
Total assets	`Assets`	$1.83B	USD	Point-in-time
Total assets	`Assets`	$1.58B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$27.50M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$16.98M	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$52.42M	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$74.00M	USD	Point-in-time
Due to affiliate	`DueToAffiliateCurrent`	$50.19M	USD	Point-in-time
Due to affiliate	`DueToAffiliateCurrent`	$53.19M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$9.89M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$27.80M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$32.78M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$24.10M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$185.68M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$183.18M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$279.04M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$164.93M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$79.79M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$98.40M	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock of $0.001 par value, 125,000,000 shares authorized,40,704,984 and 39,941,327 shares issued and outstanding at December 31, 2020 and 2019, respectively	`CommonStockValue`	$40.00K	USD	Point-in-time
Common stock of $0.001 par value, 125,000,000 shares authorized,40,704,984 and 39,941,327 shares issued and outstanding at December 31, 2020 and 2019, respectively	`CommonStockValue`	$41.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.37B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.37B	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-352.53M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-548.93M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-804.00K	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-236.00K	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.01B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$822.12M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$1.16M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$1.61M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.02B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.14B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.02B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$823.27M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$1.58B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$1.25B	USD	Point-in-time

Income Statement 87 line items

Line Item	Tag	Value	Unit	Period
Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$486.55M	USD	Annual
Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$397.04M	USD	Annual
Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$406.52M	USD	Annual
Vessel operating costs	`DirectOperatingCosts`	$268.78M	USD	Annual
Vessel operating costs	`DirectOperatingCosts`	$269.58M	USD	Annual
Vessel operating costs	`DirectOperatingCosts`	$329.20M	USD	Annual
Costs of other operating revenues	`OtherCostOfOperatingRevenue`	$3.40M	USD	Annual
Costs of other operating revenues	`OtherCostOfOperatingRevenue`	$2.80M	USD	Annual
Costs of other operating revenues	`OtherCostOfOperatingRevenue`	$5.53M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$73.45M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$110.02M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$103.72M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$116.71M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$58.29M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$101.93M	USD	Annual
Gain on asset dispositions, net	`GainLossOnDispositionOfAssets1`	$7.59M	USD	Annual
Gain on asset dispositions, net	`GainLossOnDispositionOfAssets1`	$10.62M	USD	Annual
Gain on asset dispositions, net	`GainLossOnDispositionOfAssets1`	$2.26M	USD	Annual
Impairment of due from affiliate	`ImpairmentOfDueFromAffiliate`	-	USD	Annual
Impairment of due from affiliate	`ImpairmentOfDueFromAffiliate`	-	USD	Annual
Impairment of due from affiliate	`ImpairmentOfDueFromAffiliate`	$20.08M	USD	Annual
Affiliate credit loss impairment expense	`ProvisionForDoubtfulAccounts`	-	USD	Annual
Affiliate credit loss impairment expense	`ProvisionForDoubtfulAccounts`	$52.98M	USD	Annual
Affiliate credit loss impairment expense	`ProvisionForDoubtfulAccounts`	-	USD	Annual
Affiliate guarantee obligation	`AffiliateCosts`	-	USD	Annual
Affiliate guarantee obligation	`AffiliateCosts`	-	USD	Annual
Affiliate guarantee obligation	`AffiliateCosts`	$2.00M	USD	Annual
Long-lived asset impairments and other	`AssetImpairmentCharges`	$37.77M	USD	Annual
Long-lived asset impairments and other	`AssetImpairmentCharges`	$74.11M	USD	Annual
Long-lived asset impairments and other	`AssetImpairmentCharges`	$61.13M	USD	Annual
Costs and Expenses, Total	`CostsAndExpenses`	$573.15M	USD	Annual
Costs and Expenses, Total	`CostsAndExpenses`	$583.84M	USD	Annual
Costs and Expenses, Total	`CostsAndExpenses`	$514.02M	USD	Annual
Operating loss	`OperatingIncomeLoss`	$-107.50M	USD	Annual
Operating loss	`OperatingIncomeLoss`	$-186.80M	USD	Annual
Operating loss	`OperatingIncomeLoss`	$-86.60M	USD	Annual
Foreign exchange gain (loss)	`ForeignCurrencyTransactionGainLossBeforeTax`	$-1.27M	USD	Annual
Foreign exchange gain (loss)	`ForeignCurrencyTransactionGainLossBeforeTax`	$-5.25M	USD	Annual
Foreign exchange gain (loss)	`ForeignCurrencyTransactionGainLossBeforeTax`	$106.00K	USD	Annual
Equity in net losses of unconsolidated companies	`IncomeLossFromEquityMethodInvestments`	$-18.86M	USD	Annual
Equity in net losses of unconsolidated companies	`IncomeLossFromEquityMethodInvestments`	$-3.15M	USD	Annual
Equity in net losses of unconsolidated companies	`IncomeLossFromEquityMethodInvestments`	$164.00K	USD	Annual
Dividend income from unconsolidated company	`InvestmentIncomeDividend`	-	USD	Annual
Dividend income from unconsolidated company	`InvestmentIncomeDividend`	$17.15M	USD	Annual
Dividend income from unconsolidated company	`InvestmentIncomeDividend`	-	USD	Annual
Interest income and other, net	`InterestIncomeExpenseNonoperatingNet`	$6.60M	USD	Annual
Interest income and other, net	`InterestIncomeExpenseNonoperatingNet`	$11.29M	USD	Annual
Interest income and other, net	`InterestIncomeExpenseNonoperatingNet`	$1.23M	USD	Annual
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-8.12M	USD	Annual
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Interest and other debt costs, net	`InterestAndOtherDebtCostsNet`	$30.44M	USD	Annual
Interest and other debt costs, net	`InterestAndOtherDebtCostsNet`	$24.16M	USD	Annual
Interest and other debt costs, net	`InterestAndOtherDebtCostsNet`	$29.07M	USD	Annual
Nonoperating Income (Expense), Total	`NonoperatingIncomeExpense`	$-26.89M	USD	Annual
Nonoperating Income (Expense), Total	`NonoperatingIncomeExpense`	$-10.86M	USD	Annual
Nonoperating Income (Expense), Total	`NonoperatingIncomeExpense`	$-46.02M	USD	Annual
Loss before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-197.66M	USD	Annual
Loss before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-113.50M	USD	Annual
Loss before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-153.52M	USD	Annual
Income tax (benefit) expense	`IncomeTaxExpenseBenefit`	$18.25M	USD	Annual
Income tax (benefit) expense	`IncomeTaxExpenseBenefit`	$-965.00K	USD	Annual
Income tax (benefit) expense	`IncomeTaxExpenseBenefit`	$27.72M	USD	Annual
Net loss	`ProfitLoss`	$-141.22M	USD	Annual
Net loss	`ProfitLoss`	$-196.70M	USD	Annual
Net loss	`ProfitLoss`	$-171.77M	USD	Annual
Less: Net income (losses) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-254.00K	USD	Annual
Less: Net income (losses) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$524.00K	USD	Annual
Less: Net income (losses) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-454.00K	USD	Annual
Net loss attributable to Tidewater Inc.	`NetIncomeLoss`	$-171.52M	USD	Annual
Net loss attributable to Tidewater Inc.	`NetIncomeLoss`	$-196.24M	USD	Annual
Net loss attributable to Tidewater Inc.	`NetIncomeLoss`	$-141.74M	USD	Annual
Basic loss per common share (in dollars per share)	`EarningsPerShareBasic`	$-6.45	USD	Annual
Basic loss per common share (in dollars per share)	`EarningsPerShareBasic`	$-3.71	USD	Annual
Basic loss per common share (in dollars per share)	`EarningsPerShareBasic`	$-4.86	USD	Annual
Diluted loss per common share (in dollars per share)	`EarningsPerShareDiluted`	$-4.86	USD	Annual
Diluted loss per common share (in dollars per share)	`EarningsPerShareDiluted`	$-3.71	USD	Annual
Diluted loss per common share (in dollars per share)	`EarningsPerShareDiluted`	$-6.45	USD	Annual
Weighted average common shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	38.20M	shares	Annual
Weighted average common shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	40.35M	shares	Annual
Weighted average common shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	26.59M	shares	Annual
Dilutive effect of stock options and restricted stock (in shares)	`IncrementalCommonSharesAttributableToShareBasedPaymentArrangements`	0.00	shares	Annual
Dilutive effect of stock options and restricted stock (in shares)	`IncrementalCommonSharesAttributableToShareBasedPaymentArrangements`	0.00	shares	Annual
Dilutive effect of stock options and restricted stock (in shares)	`IncrementalCommonSharesAttributableToShareBasedPaymentArrangements`	0.00	shares	Annual
Adjusted weighted average common shares (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	38.20M	shares	Annual
Adjusted weighted average common shares (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	26.59M	shares	Annual
Adjusted weighted average common shares (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	40.35M	shares	Annual

Cash Flow Statement 132 line items

Line Item	Tag	Value	Unit	Period
Long-term restricted cash	`RestrictedCashNoncurrent`	$3.20M	USD	Point-in-time
Net loss	`ProfitLoss`	$-141.22M	USD	Annual
Net loss	`ProfitLoss`	$-196.70M	USD	Annual
Net loss	`ProfitLoss`	$-171.77M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$77.05M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$73.03M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$51.33M	USD	Annual
Amortization of deferred drydocking and survey costs	`AmortizationOfDryDockingAndSurveyCosts`	$43.68M	USD	Annual
Amortization of deferred drydocking and survey costs	`AmortizationOfDryDockingAndSurveyCosts`	$6.96M	USD	Annual
Amortization of deferred drydocking and survey costs	`AmortizationOfDryDockingAndSurveyCosts`	$24.89M	USD	Annual
Amortization of debt premiums and discounts	`AmortizationOfDebtDiscountPremium`	$-4.88M	USD	Annual
Amortization of debt premiums and discounts	`AmortizationOfDebtDiscountPremium`	$-1.86M	USD	Annual
Amortization of debt premiums and discounts	`AmortizationOfDebtDiscountPremium`	$3.96M	USD	Annual
Provision for deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$672.00K	USD	Annual
Provision for deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$572.00K	USD	Annual
Provision for deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$1.22M	USD	Annual
Gain on asset dispositions, net	`GainLossOnDispositionOfAssets`	$2.26M	USD	Annual
Gain on asset dispositions, net	`GainLossOnDispositionOfAssets`	$7.59M	USD	Annual
Gain on asset dispositions, net	`GainLossOnDispositionOfAssets`	$10.62M	USD	Annual
Impairment of due from affiliate	`ImpairmentOfDueFromAffiliate`	-	USD	Annual
Impairment of due from affiliate	`ImpairmentOfDueFromAffiliate`	-	USD	Annual
Impairment of due from affiliate	`ImpairmentOfDueFromAffiliate`	$20.08M	USD	Annual
Affiliate credit loss impairment expense	`ProvisionForDoubtfulAccounts`	-	USD	Annual
Affiliate credit loss impairment expense	`ProvisionForDoubtfulAccounts`	$52.98M	USD	Annual
Affiliate credit loss impairment expense	`ProvisionForDoubtfulAccounts`	-	USD	Annual
Affiliate guarantee obligation	`IncreaseDecreaseInAccruedPropertyAndLiabilityLosses`	-	USD	Annual
Affiliate guarantee obligation	`IncreaseDecreaseInAccruedPropertyAndLiabilityLosses`	-	USD	Annual
Affiliate guarantee obligation	`IncreaseDecreaseInAccruedPropertyAndLiabilityLosses`	$2.00M	USD	Annual
Long-lived asset impairments and other	`AssetImpairmentCharges`	$37.77M	USD	Annual
Long-lived asset impairments and other	`AssetImpairmentCharges`	$74.11M	USD	Annual
Long-lived asset impairments and other	`AssetImpairmentCharges`	$61.13M	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	$-8.12M	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Changes in investments in unconsolidated companies	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$-1.04M	USD	Annual
Changes in investments in unconsolidated companies	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	-	USD	Annual
Changes in investments in unconsolidated companies	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$-28.18M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$5.12M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$13.41M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$19.60M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-1.09M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-9.09M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$2.61M	USD	Annual
Changes in due to/from affiliate, net	`IncreaseDecreaseInDueToAffiliates`	$22.19M	USD	Annual
Changes in due to/from affiliate, net	`IncreaseDecreaseInDueToAffiliates`	$11.95M	USD	Annual
Changes in due to/from affiliate, net	`IncreaseDecreaseInDueToAffiliates`	$28.64M	USD	Annual
Marine operating supplies	`IncreaseDecreaseInInventories`	$1.96M	USD	Annual
Marine operating supplies	`IncreaseDecreaseInInventories`	$-2.59M	USD	Annual
Marine operating supplies	`IncreaseDecreaseInInventories`	$-2.42M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-4.26M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$4.12M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-10.89M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$-10.52M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$-15.17M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$-4.44M	USD	Annual
Accrued expenses	`IncreaseDecreaseInAccruedLiabilities`	$-13.35M	USD	Annual
Accrued expenses	`IncreaseDecreaseInAccruedLiabilities`	$8.19M	USD	Annual
Accrued expenses	`IncreaseDecreaseInAccruedLiabilities`	$-17.55M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$8.69M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$3.01M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$1.33M	USD	Annual
Other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilitiesAndDeferredCredits`	$-20.00M	USD	Annual
Other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilitiesAndDeferredCredits`	$1.27M	USD	Annual
Other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilitiesAndDeferredCredits`	$-2.02M	USD	Annual
Deferred drydocking and survey costs	`IncreaseDecreaseInCashPaidForDeferredDrydockingAndSurveyCosts`	$25.97M	USD	Annual
Deferred drydocking and survey costs	`IncreaseDecreaseInCashPaidForDeferredDrydockingAndSurveyCosts`	$33.27M	USD	Annual
Deferred drydocking and survey costs	`IncreaseDecreaseInCashPaidForDeferredDrydockingAndSurveyCosts`	$70.44M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$3.26M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-8.64M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-6.92M	USD	Annual
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$3.99M	USD	Annual
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-31.42M	USD	Annual
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$3.94M	USD	Annual
Proceeds from sales of assets	`ProceedsFromSaleOfProductiveAssets`	$28.85M	USD	Annual
Proceeds from sales of assets	`ProceedsFromSaleOfProductiveAssets`	$38.30M	USD	Annual
Proceeds from sales of assets	`ProceedsFromSaleOfProductiveAssets`	$46.12M	USD	Annual
Additions to properties and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$21.39M	USD	Annual
Additions to properties and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$18.00M	USD	Annual
Additions to properties and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$14.90M	USD	Annual
Cash and cash equivalents from stock-based merger	`CashAcquiredFromAcquisition`	-	USD	Annual
Cash and cash equivalents from stock-based merger	`CashAcquiredFromAcquisition`	-	USD	Annual
Cash and cash equivalents from stock-based merger	`CashAcquiredFromAcquisition`	$43.81M	USD	Annual
Net cash provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	$23.40M	USD	Annual
Net cash provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	$10.85M	USD	Annual
Net cash provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	$68.53M	USD	Annual
Principal payments on long-term debt	`RepaymentsOfSecuredDebt`	$105.17M	USD	Annual
Principal payments on long-term debt	`RepaymentsOfSecuredDebt`	$98.08M	USD	Annual
Principal payments on long-term debt	`RepaymentsOfSecuredDebt`	$133.69M	USD	Annual
Premium paid for redemption of secured notes	`PremiumsPaidOnRedemptionOfSecuredNotes`	$11.40M	USD	Annual
Premium paid for redemption of secured notes	`PremiumsPaidOnRedemptionOfSecuredNotes`	-	USD	Annual
Premium paid for redemption of secured notes	`PremiumsPaidOnRedemptionOfSecuredNotes`	-	USD	Annual
Cash payments to General Unsecured Creditors	`RepaymentsOfUnsecuredDebt`	-	USD	Annual
Cash payments to General Unsecured Creditors	`RepaymentsOfUnsecuredDebt`	-	USD	Annual
Cash payments to General Unsecured Creditors	`RepaymentsOfUnsecuredDebt`	$8.38M	USD	Annual
Loss on debt extinguishment	`PaymentsOfDebtExtinguishmentCosts`	-	USD	Annual
Loss on debt extinguishment	`PaymentsOfDebtExtinguishmentCosts`	-	USD	Annual
Loss on debt extinguishment	`PaymentsOfDebtExtinguishmentCosts`	$8.12M	USD	Annual
Cash received for issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$3.00K	USD	Annual
Cash received for issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Cash received for issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Tax on share-based award	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$4.47M	USD	Annual
Tax on share-based award	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$828.00K	USD	Annual
Tax on share-based award	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$4.40M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.00M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-857.00K	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-99.77M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-149.56M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-128.06M	USD	Annual
Net change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-72.38M	USD	Annual
Net change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-55.59M	USD	Annual
Net change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-170.14M	USD	Annual
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$227.61M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$397.74M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$155.22M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$453.33M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$227.61M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$397.74M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$155.22M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$453.33M	USD	Point-in-time
Interest, net of amounts capitalized	`InterestPaidNet`	$32.33M	USD	Annual
Interest, net of amounts capitalized	`InterestPaidNet`	$21.23M	USD	Annual
Interest, net of amounts capitalized	`InterestPaidNet`	$32.69M	USD	Annual
Income taxes	`IncomeTaxesPaid`	$13.02M	USD	Annual
Income taxes	`IncomeTaxesPaid`	$14.38M	USD	Annual
Income taxes	`IncomeTaxesPaid`	$16.83M	USD	Annual
Merger with GulfMark	`NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1`	$285.49M	USD	Annual
Merger with GulfMark	`NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1`	-	USD	Annual
Merger with GulfMark	`NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1`	-	USD	Annual
Common stock issued for GulfMark merger	`StockIssued1`	$285.49M	USD	Annual
Common stock issued for GulfMark merger	`StockIssued1`	-	USD	Annual
Common stock issued for GulfMark merger	`StockIssued1`	-	USD	Annual

Stockholders Equity 20 line items

Line Item	Tag	Value	Unit	Period
Balance at December 31	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.02B	USD	Point-in-time
Balance at December 31	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.14B	USD	Point-in-time
Balance at December 31	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.02B	USD	Point-in-time
Balance at December 31	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$823.27M	USD	Point-in-time
Total comprehensive loss	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-143.65M	USD	Annual
Total comprehensive loss	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-197.26M	USD	Annual
Total comprehensive loss	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-169.43M	USD	Annual
Issuance of common stock from exercise of warrants	`StockIssuedDuringPeriodValueWarrantExercises`	-	USD	Annual
Issuance of common stock from exercise of warrants	`StockIssuedDuringPeriodValueWarrantExercises`	-	USD	Annual
Issuance of common stock from exercise of warrants	`StockIssuedDuringPeriodValueWarrantExercises`	$3.00K	USD	Annual
Amortization of restricted stock units	`StockIssuedDuringPeriodValueAmortizationOrCancellationOfRestrictedStock`	$15.14M	USD	Annual
Amortization of restricted stock units	`StockIssuedDuringPeriodValueAmortizationOrCancellationOfRestrictedStock`	$8.91M	USD	Annual
Amortization of restricted stock units	`StockIssuedDuringPeriodValueAmortizationOrCancellationOfRestrictedStock`	$4.29M	USD	Annual
Cash paid to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$2.00M	USD	Annual
Total comprehensive loss	`ComprehensiveIncomeNetOfTax`	$-143.65M	USD	Annual
Total comprehensive loss	`ComprehensiveIncomeNetOfTax`	$-197.26M	USD	Annual
Balance at December 31	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.02B	USD	Point-in-time
Balance at December 31	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.14B	USD	Point-in-time
Balance at December 31	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.02B	USD	Point-in-time
Balance at December 31	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$823.27M	USD	Point-in-time

Comprehensive Income 30 line items

Line Item	Tag	Value	Unit	Period
Net loss	`ProfitLoss`	$-141.22M	USD	Annual
Unrealized gains (losses) on available for sale securities, tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	-	USD	Annual
Net loss	`ProfitLoss`	$-196.70M	USD	Annual
Unrealized gains (losses) on available for sale securities, tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	-	USD	Annual
Unrealized gains (losses) on available for sale securities, tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	-	USD	Annual
Net loss	`ProfitLoss`	$-171.77M	USD	Annual
Change in supplemental executive retirement plan pension liability, tax	`OtherComprehensiveIncomeSupplementalExecutiveRetirementPlanMinimumLiabilityAdjustmentTaxPeriodIncreaseDecrease`	-	USD	Annual
Change in supplemental executive retirement plan pension liability, tax	`OtherComprehensiveIncomeSupplementalExecutiveRetirementPlanMinimumLiabilityAdjustmentTaxPeriodIncreaseDecrease`	-	USD	Annual
Change in supplemental executive retirement plan pension liability, tax	`OtherComprehensiveIncomeSupplementalExecutiveRetirementPlanMinimumLiabilityAdjustmentTaxPeriodIncreaseDecrease`	-	USD	Annual
Unrealized gains (losses) on available for sale securities, net of tax of $0, $0, and $0, respectively	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	-	USD	Annual
Change in pension plan minimum liability, tax	`OtherComprehensiveIncomePensionPlanMinimumLiabilityAdjustmentTaxPeriodIncreaseDecrease`	-	USD	Annual
Unrealized gains (losses) on available for sale securities, net of tax of $0, $0, and $0, respectively	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-256.00K	USD	Annual
Change in pension plan minimum liability, tax	`OtherComprehensiveIncomePensionPlanMinimumLiabilityAdjustmentTaxPeriodIncreaseDecrease`	-	USD	Annual
Change in pension plan minimum liability, tax	`OtherComprehensiveIncomePensionPlanMinimumLiabilityAdjustmentTaxPeriodIncreaseDecrease`	-	USD	Annual
Unrealized gains (losses) on available for sale securities, net of tax of $0, $0, and $0, respectively	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	-	USD	Annual
Change in supplemental executive retirement plan pension liability, net of tax of $0, $0, and $0, respectively	`OtherComprehensiveIncomeSupplementalExecutiveRetirementPlanMinimumLiabilityAdjustmentNetOfTaxPeriodIncreaseDecrease`	$2.21M	USD	Annual
Change in other benefit plan minimum liability, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	Annual
Change in other benefit plan minimum liability, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	Annual
Change in supplemental executive retirement plan pension liability, net of tax of $0, $0, and $0, respectively	`OtherComprehensiveIncomeSupplementalExecutiveRetirementPlanMinimumLiabilityAdjustmentNetOfTaxPeriodIncreaseDecrease`	$-2.31M	USD	Annual
Change in other benefit plan minimum liability, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	Annual
Change in supplemental executive retirement plan pension liability, net of tax of $0, $0, and $0, respectively	`OtherComprehensiveIncomeSupplementalExecutiveRetirementPlanMinimumLiabilityAdjustmentNetOfTaxPeriodIncreaseDecrease`	$-2.12M	USD	Annual
Change in pension plan minimum liability, net of tax of $0, $0, and $0, respectively	`OtherComprehensiveIncomePensionPlanMinimumLiabilityAdjustmentNetOfTaxPeriodIncreaseDecrease`	$-309.00K	USD	Annual
Change in pension plan minimum liability, net of tax of $0, $0, and $0, respectively	`OtherComprehensiveIncomePensionPlanMinimumLiabilityAdjustmentNetOfTaxPeriodIncreaseDecrease`	$1.92M	USD	Annual
Change in pension plan minimum liability, net of tax of $0, $0, and $0, respectively	`OtherComprehensiveIncomePensionPlanMinimumLiabilityAdjustmentNetOfTaxPeriodIncreaseDecrease`	$1.74M	USD	Annual
Change in other benefit plan minimum liability, net of tax of $0, $0 and $0, respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$1.54M	USD	Annual
Change in other benefit plan minimum liability, net of tax of $0, $0 and $0, respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	-	USD	Annual
Change in other benefit plan minimum liability, net of tax of $0, $0 and $0, respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	-	USD	Annual
Total comprehensive loss	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-143.65M	USD	Annual
Total comprehensive loss	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-197.26M	USD	Annual
Total comprehensive loss	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-169.43M	USD	Annual

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