10-Q Filing

ALPHA METALLURGICAL RESOURCES, INC. CIK: 1704715 Q1 2022

Filing Information

Form Type	10-Q
Accession Number	`0001704715-22-000022`
Period End Date	20220331
Filing Date	20220505
Fiscal Year	2022
Fiscal Period	Q1
XBRL Instance	amr-20220331_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 102 Income Statement 66 Cash Flow Statement 81 Stockholders Equity 18 Comprehensive Income 10

Balance Sheet 102 line items

Line Item	Tag	Value	Unit	Period
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$519.00K	USD	Point-in-time
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$393.00K	USD	Point-in-time
Property, plant and equipment, accumulated amortization, depreciation and amortization	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization`	$462.92M	USD	Point-in-time
Property, plant and equipment, accumulated amortization, depreciation and amortization	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization`	$443.86M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$81.21M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$159.46M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$92.24M	USD	Point-in-time
Owned and lease mineral rights, accumulated depletion and amortization	`MineralPropertiesAccumulatedDepletion`	$52.44M	USD	Point-in-time
Owned and lease mineral rights, accumulated depletion and amortization	`MineralPropertiesAccumulatedDepletion`	$59.89M	USD	Point-in-time
Other acquired intangibles, accumulated amortization	`FiniteLivedIntangibleAssetsAccumulatedAmortization`	$34.22M	USD	Point-in-time
Trade accounts receivable, net of allowance for doubtful accounts of $519 and $393 as of March 31, 2022 and December 31, 2021, respectively	`AccountsReceivableNetCurrent`	$489.24M	USD	Point-in-time
Other acquired intangibles, accumulated amortization	`FiniteLivedIntangibleAssetsAccumulatedAmortization`	$39.97M	USD	Point-in-time
Trade accounts receivable, net of allowance for doubtful accounts of $519 and $393 as of March 31, 2022 and December 31, 2021, respectively	`AccountsReceivableNetCurrent`	$636.15M	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Inventories, net	`InventoryNet`	$129.38M	USD	Point-in-time
Inventories, net	`InventoryNet`	$161.75M	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$57.14M	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$47.69M	USD	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Current assets - discontinued operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$462.00K	USD	Point-in-time
Current assets - discontinued operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$69.00K	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.01B	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Total current assets	`AssetsCurrent`	$747.99M	USD	Point-in-time
Property, plant, and equipment, net of accumulated depreciation and amortization of $462,920 and $443,856 as of March 31, 2022 and December 31, 2021, respectively	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$369.45M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	50.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	50.00M	shares	Point-in-time
Property, plant, and equipment, net of accumulated depreciation and amortization of $462,920 and $443,856 as of March 31, 2022 and December 31, 2021, respectively	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$362.22M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	21.00M	shares	Point-in-time
Owned and leased mineral rights, net of accumulated depletion and amortization of $59,894 and $52,444 as of March 31, 2022 and December 31, 2021, respectively	`MineralRights`	$444.30M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	20.80M	shares	Point-in-time
Owned and leased mineral rights, net of accumulated depletion and amortization of $59,894 and $52,444 as of March 31, 2022 and December 31, 2021, respectively	`MineralRights`	$436.85M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	18.50M	shares	Point-in-time
Other acquired intangibles, net of accumulated amortization of $39,968 and $34,221 as of March 31, 2022 and December 31, 2021, respectively	`IntangibleAssetsNetExcludingGoodwill`	$74.20M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	18.40M	shares	Point-in-time
Other acquired intangibles, net of accumulated amortization of $39,968 and $34,221 as of March 31, 2022 and December 31, 2021, respectively	`IntangibleAssetsNetExcludingGoodwill`	$68.45M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$89.43M	USD	Point-in-time
Treasury stock, shares at cost (in shares)	`TreasuryStockCommonShares`	2.50M	shares	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$85.64M	USD	Point-in-time
Treasury stock, shares at cost (in shares)	`TreasuryStockCommonShares`	2.40M	shares	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$118.48M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$96.67M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$131.06M	USD	Point-in-time
Non-current assets - discontinued operations	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	$8.53M	USD	Point-in-time
Non-current assets - discontinued operations	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	$8.53M	USD	Point-in-time
Total assets	`Assets`	$1.86B	USD	Point-in-time
Total assets	`Assets`	$2.11B	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$2.99M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$2.43M	USD	Point-in-time
Trade accounts payable	`AccountsPayableCurrent`	$90.09M	USD	Point-in-time
Trade accounts payable	`AccountsPayableCurrent`	$109.41M	USD	Point-in-time
Acquisition-related obligations current	`AcquisitionRelatedObligationsCarryingAmountCurrent`	$22.41M	USD	Point-in-time
Acquisition-related obligations current	`AcquisitionRelatedObligationsCarryingAmountCurrent`	$21.28M	USD	Point-in-time
Accrued expenses and other current liabilities	`AccruedLiabilitiesandOtherLiabilitiesCurrent`	$174.61M	USD	Point-in-time
Accrued expenses and other current liabilities	`AccruedLiabilitiesandOtherLiabilitiesCurrent`	$223.22M	USD	Point-in-time
Current liabilities - discontinued operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$5.84M	USD	Point-in-time
Current liabilities - discontinued operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$4.58M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$360.93M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$295.93M	USD	Point-in-time
Long-term debt	`LongTermDebtAndCapitalLeaseObligations`	$445.56M	USD	Point-in-time
Long-term debt	`LongTermDebtAndCapitalLeaseObligations`	$248.94M	USD	Point-in-time
Acquisition-related obligations - long-term	`AcquisitionRelatedObligationsCarryingAmountNoncurrent`	$28.20M	USD	Point-in-time
Acquisition-related obligations - long-term	`AcquisitionRelatedObligationsCarryingAmountNoncurrent`	$19.00M	USD	Point-in-time
Workers compensation and black lung obligations	`LiabilityDefinedBenefitPlanPostretirementBlackLungHealthCoverageandWorkersCompensationNoncurrent`	$204.47M	USD	Point-in-time
Workers compensation and black lung obligations	`LiabilityDefinedBenefitPlanPostretirementBlackLungHealthCoverageandWorkersCompensationNoncurrent`	$208.19M	USD	Point-in-time
Pension obligations	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$155.90M	USD	Point-in-time
Pension obligations	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$159.93M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$133.72M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$132.01M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$317.00K	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$4.99M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$22.62M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$26.18M	USD	Point-in-time
Non-current liabilities - discontinued operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	$23.39M	USD	Point-in-time
Non-current liabilities - discontinued operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	$23.68M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.18B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.31B	USD	Point-in-time
Commitments and Contingencies (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock - par value $0.01, 5.0 million shares authorized, none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock - par value $0.01, 5.0 million shares authorized, none issued	`PreferredStockValue`	-	USD	Point-in-time
Common stock - par value $0.01, 50.0 million shares authorized, 21.0 million issued and 18.5 million outstanding at March 31, 2022 and 20.8 million issued and 18.4 million outstanding at December 31, 2021	`CommonStockValue`	$210.00K	USD	Point-in-time
Common stock - par value $0.01, 50.0 million shares authorized, 21.0 million issued and 18.5 million outstanding at March 31, 2022 and 20.8 million issued and 18.4 million outstanding at December 31, 2021	`CommonStockValue`	$208.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$788.28M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$784.74M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-57.73M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-58.50M	USD	Point-in-time
Treasury stock, at cost: 2.5 million shares at March 31, 2022 and 2.4 million shares at December 31, 2021	`TreasuryStockValue`	$130.07M	USD	Point-in-time
Treasury stock, at cost: 2.5 million shares at March 31, 2022 and 2.4 million shares at December 31, 2021	`TreasuryStockValue`	$107.80M	USD	Point-in-time
Retained earnings (accumulated deficit)	`RetainedEarningsAccumulatedDeficit`	$-71.74M	USD	Point-in-time
Retained earnings (accumulated deficit)	`RetainedEarningsAccumulatedDeficit`	$329.15M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$546.91M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$200.10M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$170.16M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$929.85M	USD	Point-in-time
Total liabilities and stockholders equity	`LiabilitiesAndStockholdersEquity`	$2.11B	USD	Point-in-time
Total liabilities and stockholders equity	`LiabilitiesAndStockholdersEquity`	$1.86B	USD	Point-in-time

Income Statement 66 line items

Line Item	Tag	Value	Unit	Period
Coal revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.07B	USD	1 Quarter
Coal revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$385.45M	USD	1 Quarter
Other revenues	`OtherIncome`	$801.00K	USD	1 Quarter
Other revenues	`OtherIncome`	$2.23M	USD	1 Quarter
Total revenues	`Revenues`	$1.07B	USD	1 Quarter
Total revenues	`Revenues`	$386.25M	USD	1 Quarter
Cost of coal sales (exclusive of items shown separately below)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$555.32M	USD	1 Quarter
Cost of coal sales (exclusive of items shown separately below)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$347.43M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortizationExcludingAcquiredIntangibles`	$28.44M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortizationExcludingAcquiredIntangibles`	$28.04M	USD	1 Quarter
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$6.65M	USD	1 Quarter
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$5.95M	USD	1 Quarter
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$3.87M	USD	1 Quarter
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$5.75M	USD	1 Quarter
Asset impairment and restructuring	`RestructuringCostsAndAssetImpairmentCharges`	-	USD	1 Quarter
Asset impairment and restructuring	`RestructuringCostsAndAssetImpairmentCharges`	$-561.00K	USD	1 Quarter
Selling, general and administrative expenses (exclusive of depreciation, depletion and amortization shown separately above)	`SellingGeneralAndAdministrativeExpense`	$15.09M	USD	1 Quarter
Selling, general and administrative expenses (exclusive of depreciation, depletion and amortization shown separately above)	`SellingGeneralAndAdministrativeExpense`	$14.98M	USD	1 Quarter
Mark-to-market adjustment for acquisition-related obligations	`AcquisitionRelatedObligationsChangesinFairValueGainLoss`	$-9.36M	USD	1 Quarter
Mark-to-market adjustment for acquisition-related obligations	`AcquisitionRelatedObligationsChangesinFairValueGainLoss`	$-3.18M	USD	1 Quarter
Other income	`OtherOperatingIncomeExpenseNet`	$1.23M	USD	1 Quarter
Other income	`OtherOperatingIncomeExpenseNet`	$628.00K	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$402.75M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$618.87M	USD	1 Quarter
Income (loss) from operations	`OperatingIncomeLoss`	$453.09M	USD	1 Quarter
Income (loss) from operations	`OperatingIncomeLoss`	$-16.50M	USD	1 Quarter
Interest expense	`InterestExpense`	$13.08M	USD	1 Quarter
Interest expense	`InterestExpense`	$17.99M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$164.00K	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$184.00K	USD	1 Quarter
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-134.00K	USD	1 Quarter
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-1.36M	USD	1 Quarter
Miscellaneous income, net	`OtherNonoperatingIncomeExpense`	$1.80M	USD	1 Quarter
Miscellaneous income, net	`OtherNonoperatingIncomeExpense`	$1.77M	USD	1 Quarter
Total other expense, net	`NonoperatingIncomeExpense`	$-16.19M	USD	1 Quarter
Total other expense, net	`NonoperatingIncomeExpense`	$-12.46M	USD	1 Quarter
Income (loss) from continuing operations before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$440.63M	USD	1 Quarter
Income (loss) from continuing operations before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-32.70M	USD	1 Quarter
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$39.62M	USD	1 Quarter
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$-5.00K	USD	1 Quarter
Net income (loss) from continuing operations	`IncomeLossFromContinuingOperations`	$-32.69M	USD	1 Quarter
Net income (loss) from continuing operations	`IncomeLossFromContinuingOperations`	$401.00M	USD	1 Quarter
Loss from discontinued operations before income taxes	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax`	$-237.00K	USD	1 Quarter
Loss from discontinued operations before income taxes	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax`	$-146.00K	USD	1 Quarter
Income tax benefit from discontinued operations	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	-	USD	1 Quarter
Income tax benefit from discontinued operations	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$-33.00K	USD	1 Quarter
Loss from discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-237.00K	USD	1 Quarter
Loss from discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-113.00K	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$400.89M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-32.93M	USD	1 Quarter
Income (loss) from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$-1.78	USD	1 Quarter
Income (loss) from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$21.59	USD	1 Quarter
Loss from discontinued operations (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.01	USD	1 Quarter
Loss from discontinued operations (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.01	USD	1 Quarter
Net income (loss) (in dollars per share)	`EarningsPerShareBasic`	$-1.79	USD	1 Quarter
Net income (loss) (in dollars per share)	`EarningsPerShareBasic`	$21.58	USD	1 Quarter
Income (loss) from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$20.52	USD	1 Quarter
Income (loss) from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-1.78	USD	1 Quarter
Loss from discontinued operations (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Loss from discontinued operations (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.01	USD	1 Quarter
Net income (loss) (in dollars per share)	`EarningsPerShareDiluted`	$20.52	USD	1 Quarter
Net income (loss) (in dollars per share)	`EarningsPerShareDiluted`	$-1.79	USD	1 Quarter
Weighted average shares - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	18.36M	shares	1 Quarter
Weighted average shares - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	18.57M	shares	1 Quarter
Weighted average shares - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	19.54M	shares	1 Quarter
Weighted average shares - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	18.36M	shares	1 Quarter

Cash Flow Statement 81 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`NetIncomeLoss`	$400.89M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-32.93M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$28.44M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$28.04M	USD	1 Quarter
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$3.87M	USD	1 Quarter
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$5.75M	USD	1 Quarter
Accretion of acquisition-related obligations discount	`AcquisitionRelatedObligationsDiscountAccretionExpense`	$-371.00K	USD	1 Quarter
Accretion of acquisition-related obligations discount	`AcquisitionRelatedObligationsDiscountAccretionExpense`	$-109.00K	USD	1 Quarter
Amortization of debt issuance costs and accretion of debt discount	`AmortizationOfFinancingCostsAndDiscounts`	$3.32M	USD	1 Quarter
Amortization of debt issuance costs and accretion of debt discount	`AmortizationOfFinancingCostsAndDiscounts`	$3.68M	USD	1 Quarter
Mark-to-market adjustment for acquisition-related obligations	`AcquisitionRelatedObligationsChangesinFairValueGainLoss`	$-9.36M	USD	1 Quarter
Mark-to-market adjustment for acquisition-related obligations	`AcquisitionRelatedObligationsChangesinFairValueGainLoss`	$-3.18M	USD	1 Quarter
Gain on disposal of assets	`GainLossonDispositionofAssetsIncludingCostofSales`	$636.00K	USD	1 Quarter
Gain on disposal of assets	`GainLossonDispositionofAssetsIncludingCostofSales`	$1.26M	USD	1 Quarter
Asset impairment and restructuring	`RestructuringCostsAndAssetImpairmentCharges`	-	USD	1 Quarter
Asset impairment and restructuring	`RestructuringCostsAndAssetImpairmentCharges`	$-561.00K	USD	1 Quarter
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$6.65M	USD	1 Quarter
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$5.95M	USD	1 Quarter
Employee benefit plans, net	`PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash`	$-174.00K	USD	1 Quarter
Employee benefit plans, net	`PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash`	$2.15M	USD	1 Quarter
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-6.00K	USD	1 Quarter
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$4.68M	USD	1 Quarter
Stock-based compensation	`ShareBasedCompensation`	$2.18M	USD	1 Quarter
Stock-based compensation	`ShareBasedCompensation`	$1.18M	USD	1 Quarter
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-134.00K	USD	1 Quarter
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-1.36M	USD	1 Quarter
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$826.00K	USD	1 Quarter
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$135.00K	USD	1 Quarter
Changes in operating assets and liabilities	`IncreaseDecreaseInOperatingCapital`	$35.47M	USD	1 Quarter
Changes in operating assets and liabilities	`IncreaseDecreaseInOperatingCapital`	$124.20M	USD	1 Quarter
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$336.12M	USD	1 Quarter
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-19.11M	USD	1 Quarter
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$20.39M	USD	1 Quarter
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$28.15M	USD	1 Quarter
Proceeds on disposal of assets	`ProceedsFromSaleOfProductiveAssets`	$917.00K	USD	1 Quarter
Proceeds on disposal of assets	`ProceedsFromSaleOfProductiveAssets`	$2.65M	USD	1 Quarter
Purchases of investment securities	`PaymentsToAcquireInvestments`	$12.96M	USD	1 Quarter
Purchases of investment securities	`PaymentsToAcquireInvestments`	$50.00K	USD	1 Quarter
Maturity of investment securities	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$1.38M	USD	1 Quarter
Maturity of investment securities	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$28.44M	USD	1 Quarter
Capital contributions to equity affiliates	`PaymentsToAcquireEquityMethodInvestmentsCapitalContributions`	$3.47M	USD	1 Quarter
Capital contributions to equity affiliates	`PaymentsToAcquireEquityMethodInvestmentsCapitalContributions`	$441.00K	USD	1 Quarter
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-18.00K	USD	1 Quarter
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$1.24M	USD	1 Quarter
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-29.75M	USD	1 Quarter
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.55M	USD	1 Quarter
Principal repayments of long-term debt	`RepaymentsOfLongTermDebt`	$200.46M	USD	1 Quarter
Principal repayments of long-term debt	`RepaymentsOfLongTermDebt`	$5.22M	USD	1 Quarter
Principal repayments of financing lease obligations	`FinanceLeasePrincipalPayments`	$501.00K	USD	1 Quarter
Principal repayments of financing lease obligations	`FinanceLeasePrincipalPayments`	$543.00K	USD	1 Quarter
Common stock repurchases and related expenses	`PaymentsForRepurchaseOfCommonStockAndRelatedExpenses`	$21.84M	USD	1 Quarter
Common stock repurchases and related expenses	`PaymentsForRepurchaseOfCommonStockAndRelatedExpenses`	$680.00K	USD	1 Quarter
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	-	USD	1 Quarter
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$891.00K	USD	1 Quarter
Proceeds from exercise of warrants	`ProceedsFromWarrantExercises`	-	USD	1 Quarter
Proceeds from exercise of warrants	`ProceedsFromWarrantExercises`	$2.26M	USD	1 Quarter
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-6.40M	USD	1 Quarter
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-219.70M	USD	1 Quarter
Net increase (decrease) in cash and cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$112.87M	USD	1 Quarter
Net increase (decrease) in cash and cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-55.27M	USD	1 Quarter
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$189.30M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.61M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$295.49M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$244.57M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$189.30M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.61M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$295.49M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$244.57M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$81.21M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$159.46M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$92.24M	USD	Point-in-time
Short-term restricted cash (included in prepaid expenses and other current assets)	`RestrictedCashCurrent`	$17.56M	USD	Point-in-time
Short-term restricted cash (included in prepaid expenses and other current assets)	`RestrictedCashCurrent`	$11.98M	USD	Point-in-time
Short-term restricted cash (included in prepaid expenses and other current assets)	`RestrictedCashCurrent`	$11.43M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$89.43M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$85.64M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$118.48M	USD	Point-in-time
Total cash and cash equivalents and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$189.30M	USD	Point-in-time
Total cash and cash equivalents and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.61M	USD	Point-in-time
Total cash and cash equivalents and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$295.49M	USD	Point-in-time
Total cash and cash equivalents and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$244.57M	USD	Point-in-time

Stockholders Equity 18 line items

Line Item	Tag	Value	Unit	Period
Beginning balance	`StockholdersEquity`	$546.91M	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$200.10M	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$170.16M	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$929.85M	USD	Point-in-time
Net income (loss)	`NetIncomeLoss`	$400.89M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-32.93M	USD	1 Quarter
Other comprehensive income, net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$775.00K	USD	1 Quarter
Other comprehensive income, net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.48M	USD	1 Quarter
Stock-based compensation, issuance of common stock for share vesting, and common stock reissuances	`ShareBasedCompensationIssuanceOfStockForShareVestingAndStockReissuance`	$2.18M	USD	1 Quarter
Stock-based compensation, issuance of common stock for share vesting, and common stock reissuances	`ShareBasedCompensationIssuanceOfStockForShareVestingAndStockReissuance`	$1.18M	USD	1 Quarter
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$891.00K	USD	1 Quarter
Warrant exercises	`AdjustmentsToAdditionalPaidInCapitalWarrantIssued`	$3.04M	USD	1 Quarter
Common stock repurchases and related expenses	`TreasuryStockValueAcquiredCostMethodAndRelatedExpenses`	$23.84M	USD	1 Quarter
Common stock repurchases and related expenses	`TreasuryStockValueAcquiredCostMethodAndRelatedExpenses`	$680.00K	USD	1 Quarter
Ending balance	`StockholdersEquity`	$546.91M	USD	Point-in-time
Ending balance	`StockholdersEquity`	$200.10M	USD	Point-in-time
Ending balance	`StockholdersEquity`	$170.16M	USD	Point-in-time
Ending balance	`StockholdersEquity`	$929.85M	USD	Point-in-time

Comprehensive Income 10 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`NetIncomeLoss`	$400.89M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-32.93M	USD	1 Quarter
Amortization of and adjustments to employee benefit costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent`	$-1.48M	USD	1 Quarter
Amortization of and adjustments to employee benefit costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent`	$-775.00K	USD	1 Quarter
Income tax expense	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	-	USD	1 Quarter
Income tax expense	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	-	USD	1 Quarter
Total other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$775.00K	USD	1 Quarter
Total other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.48M	USD	1 Quarter
Total comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$401.67M	USD	1 Quarter
Total comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-31.44M	USD	1 Quarter

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