10-K Filing

ALLIANCE RESOURCE PARTNERS LP CIK: 1086600 FY 2019

Filing Information

Form Type	10-K
Accession Number	`0001558370-20-001103`
Period End Date	20191231
Filing Date	20200220
Fiscal Year	2019
Fiscal Period	FY
XBRL Instance	arlp-20191231x10kbc62ed_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 89 Income Statement 70 Cash Flow Statement 149 Stockholders Equity 45 Comprehensive Income 18

Balance Sheet 89 line items

Line Item	Tag	Value	Unit	Period
Common units outstanding	`LimitedPartnersCapitalAccountUnitsOutstanding`	128.10M	shares	Point-in-time
Common units outstanding	`LimitedPartnersCapitalAccountUnitsOutstanding`	126.92M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$36.48M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$244.15M	USD	Point-in-time
Trade receivables	`AccountsReceivableNetCurrent`	$161.68M	USD	Point-in-time
Trade receivables	`AccountsReceivableNetCurrent`	$174.91M	USD	Point-in-time
Other receivables	`NontradeReceivablesCurrent`	$395.00K	USD	Point-in-time
Other receivables	`NontradeReceivablesCurrent`	$256.00K	USD	Point-in-time
Inventories, net	`InventoryNet`	$101.31M	USD	Point-in-time
Inventories, net	`InventoryNet`	$59.21M	USD	Point-in-time
Advance royalties	`PrepaidRoyalties`	$1.27M	USD	Point-in-time
Advance royalties	`PrepaidRoyalties`	$1.84M	USD	Point-in-time
Prepaid expenses and other assets	`PrepaidExpenseAndOtherAssetsCurrent`	$20.75M	USD	Point-in-time
Prepaid expenses and other assets	`PrepaidExpenseAndOtherAssetsCurrent`	$18.02M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$500.69M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$319.58M	USD	Point-in-time
Property, plant and equipment, at cost	`PropertyPlantAndEquipmentGross`	$3.68B	USD	Point-in-time
Property, plant and equipment, at cost	`PropertyPlantAndEquipmentGross`	$2.93B	USD	Point-in-time
Less accumulated depreciation, depletion and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.68B	USD	Point-in-time
Less accumulated depreciation, depletion and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.51B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$2.01B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$1.41B	USD	Point-in-time
Advance royalties	`PrepaidMineralRoyaltiesNoncurrent`	$52.06M	USD	Point-in-time
Advance royalties	`PrepaidMineralRoyaltiesNoncurrent`	$42.92M	USD	Point-in-time
Equity method investments	`EquityMethodInvestments`	$161.31M	USD	Point-in-time
Equity method investments	`EquityMethodInvestments`	$28.53M	USD	Point-in-time
Equity securities	`EquitySecuritiesWithoutReadilyDeterminableFairValueAmount`	$122.09M	USD	Point-in-time
Goodwill	`Goodwill`	$136.40M	USD	Point-in-time
Goodwill	`Goodwill`	$136.40M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$17.66M	USD	Point-in-time
Other long-term assets	`OtherAssetsNoncurrent`	$23.48M	USD	Point-in-time
Other long-term assets	`OtherAssetsNoncurrent`	$18.98M	USD	Point-in-time
Total other assets	`AssetsNoncurrentExcludingPropertyPlantAndEquipment`	$481.70M	USD	Point-in-time
Total other assets	`AssetsNoncurrentExcludingPropertyPlantAndEquipment`	$258.12M	USD	Point-in-time
TOTAL ASSETS	`Assets`	$2.39B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$2.59B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$2.22B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$96.40M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$80.57M	USD	Point-in-time
Accrued taxes other than income taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$16.76M	USD	Point-in-time
Accrued taxes other than income taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$15.77M	USD	Point-in-time
Accrued payroll and related expenses	`EmployeeRelatedLiabilitiesCurrent`	$36.58M	USD	Point-in-time
Accrued payroll and related expenses	`EmployeeRelatedLiabilitiesCurrent`	$43.11M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$5.66M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$5.02M	USD	Point-in-time
Workers' compensation and pneumoconiosis benefits	`WorkersCompensationAndPneumoconiosisBenefitsCurrent`	$11.14M	USD	Point-in-time
Workers' compensation and pneumoconiosis benefits	`WorkersCompensationAndPneumoconiosisBenefitsCurrent`	$11.18M	USD	Point-in-time
Current finance lease obligations	`FinanceLeaseLiabilityCurrent`	$8.37M	USD	Point-in-time
Current finance lease obligations	`FinanceLeaseLiabilityCurrent`	$46.72M	USD	Point-in-time
Current operating lease obligations	`OperatingLeaseLiabilityCurrent`	$3.25M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$19.72M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$21.06M	USD	Point-in-time
Current maturities, long-term debt, net	`LongTermDebtCurrent`	$13.16M	USD	Point-in-time
Current maturities, long-term debt, net	`LongTermDebtCurrent`	$92.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$330.87M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$195.59M	USD	Point-in-time
Long-term debt, excluding current maturities, net	`LongTermDebtNoncurrent`	$768.19M	USD	Point-in-time
Long-term debt, excluding current maturities, net	`LongTermDebtNoncurrent`	$564.00M	USD	Point-in-time
Pneumoconiosis benefits	`PneumoconiosisBenefits`	$94.39M	USD	Point-in-time
Pneumoconiosis benefits	`PneumoconiosisBenefits`	$68.83M	USD	Point-in-time
Accrued pension benefit	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$44.86M	USD	Point-in-time
Accrued pension benefit	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$43.13M	USD	Point-in-time
Workers' compensation	`WorkersCompensationLiabilityNoncurrent`	$41.67M	USD	Point-in-time
Workers' compensation	`WorkersCompensationLiabilityNoncurrent`	$45.50M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$133.02M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$127.66M	USD	Point-in-time
Long-term finance lease obligations	`FinanceLeaseLiabilityNoncurrent`	$2.22M	USD	Point-in-time
Long-term finance lease obligations	`FinanceLeaseLiabilityNoncurrent`	$10.60M	USD	Point-in-time
Long-term operating lease obligations	`OperatingLeaseLiabilityNoncurrent`	$14.32M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$23.18M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$20.30M	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$1.13B	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$876.19M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.21B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.32B	USD	Point-in-time
Limited Partners - Common Unitholders 126,915,597 and 128,095,511 units outstanding, respectively	`LimitedPartnersCapitalAccount`	$1.33B	USD	Point-in-time
Limited Partners - Common Unitholders 126,915,597 and 128,095,511 units outstanding, respectively	`LimitedPartnersCapitalAccount`	$1.23B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-46.87M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-77.99M	USD	Point-in-time
Total ARLP Partners' Capital	`PartnersCapital`	$1.25B	USD	Point-in-time
Total ARLP Partners' Capital	`PartnersCapital`	$1.18B	USD	Point-in-time
Noncontrolling interest	`PartnersCapitalAttributableToNoncontrollingInterest`	$11.94M	USD	Point-in-time
Noncontrolling interest	`PartnersCapitalAttributableToNoncontrollingInterest`	$5.29M	USD	Point-in-time
Total Partners' Capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$1.09B	USD	Point-in-time
Total Partners' Capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$1.15B	USD	Point-in-time
Total Partners' Capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$1.19B	USD	Point-in-time
Total Partners' Capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$1.27B	USD	Point-in-time
TOTAL LIABILITIES AND PARTNERS' CAPITAL	`LiabilitiesAndStockholdersEquity`	$2.39B	USD	Point-in-time
TOTAL LIABILITIES AND PARTNERS' CAPITAL	`LiabilitiesAndStockholdersEquity`	$2.59B	USD	Point-in-time

Income Statement 70 line items

Line Item	Tag	Value	Unit	Period
Interest expense, interest capitalized	`InterestCostsCapitalized`	$1.21M	USD	Annual
Interest expense, interest capitalized	`InterestCostsCapitalized`	$1.31M	USD	Annual
Interest expense, interest capitalized	`InterestCostsCapitalized`	$551.00K	USD	Annual
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.96B	USD	Annual
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.80B	USD	Annual
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$2.00B	USD	Annual
Operating expenses (excluding depreciation, depletion and amortization)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$1.18B	USD	Annual
Operating expenses (excluding depreciation, depletion and amortization)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$1.09B	USD	Annual
Operating expenses (excluding depreciation, depletion and amortization)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$1.21B	USD	Annual
Outside coal purchases	`OutsideCoalPurchases`	$1.47M	USD	Annual
Outside coal purchases	`OutsideCoalPurchases`	$23.36M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$68.30M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$61.76M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$73.00M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$268.98M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$309.07M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$280.23M	USD	Annual
Settlement gain	`GainLossRelatedToLitigationSettlement`	$80.00M	USD	Point-in-time
Settlement gain	`GainLossRelatedToLitigationSettlement`	$80.00M	USD	Annual
Asset impairment	`AssetImpairmentCharges`	$15.19M	USD	Annual
Asset impairment	`AssetImpairmentCharges`	$40.48M	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.63B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.70B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.46B	USD	Annual
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$331.92M	USD	Annual
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$259.50M	USD	Annual
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$372.29M	USD	Annual
Interest expense (net of interest capitalized of $1,211, $1,306 and $551, respectively)	`InterestExpense`	$45.88M	USD	Annual
Interest expense (net of interest capitalized of $1,211, $1,306 and $551, respectively)	`InterestExpense`	$40.22M	USD	Annual
Interest expense (net of interest capitalized of $1,211, $1,306 and $551, respectively)	`InterestExpense`	$39.38M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$379.00K	USD	Annual
Interest income	`InvestmentIncomeInterest`	$159.00K	USD	Annual
Interest income	`InvestmentIncomeInterest`	$94.00K	USD	Annual
Equity method investment income	`IncomeLossFromEquityMethodInvestments`	$2.20M	USD	Annual
Equity method investment income	`IncomeLossFromEquityMethodInvestments`	$13.86M	USD	Annual
Equity method investment income	`IncomeLossFromEquityMethodInvestments`	$22.19M	USD	Annual
Equity securities income	`InvestmentIncomeDividend`	$15.70M	USD	Annual
Equity securities income	`InvestmentIncomeDividend`	$12.91M	USD	Annual
Equity securities income	`InvestmentIncomeDividend`	$6.40M	USD	Annual
Acquisition gain	`BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss`	$177.04M	USD	Annual
Debt extinguishment loss	`GainsLossesOnExtinguishmentOfDebt`	$-8.15M	USD	Annual
Other income (expense)	`OtherNonoperatingIncomeExpense`	$-2.62M	USD	Annual
Other income (expense)	`OtherNonoperatingIncomeExpense`	$561.00K	USD	Annual
Other income (expense)	`OtherNonoperatingIncomeExpense`	$-332.00K	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$304.41M	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$367.49M	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$406.71M	USD	Annual
INCOME TAX EXPENSE (BENEFIT)	`IncomeTaxExpenseBenefit`	$22.00K	USD	Annual
INCOME TAX EXPENSE (BENEFIT)	`IncomeTaxExpenseBenefit`	$210.00K	USD	Annual
INCOME TAX EXPENSE (BENEFIT)	`IncomeTaxExpenseBenefit`	$-211.00K	USD	Annual
NET INCOME	`ProfitLoss`	$367.47M	USD	Annual
NET INCOME	`ProfitLoss`	$406.93M	USD	Annual
NET INCOME	`ProfitLoss`	$304.20M	USD	Annual
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTEREST	`NetIncomeLossAttributableToNoncontrollingInterest`	$866.00K	USD	Annual
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTEREST	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.51M	USD	Annual
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTEREST	`NetIncomeLossAttributableToNoncontrollingInterest`	$563.00K	USD	Annual
NET INCOME ATTRIBUTABLE TO ARLP	`NetIncomeLoss`	$303.64M	USD	Annual
NET INCOME ATTRIBUTABLE TO ARLP	`NetIncomeLoss`	$366.60M	USD	Annual
NET INCOME ATTRIBUTABLE TO ARLP	`NetIncomeLoss`	$399.41M	USD	Annual
GENERAL PARTNER	`NetIncomeLossAllocatedToGeneralPartners`	$1.56M	USD	Annual
GENERAL PARTNER	`NetIncomeLossAllocatedToGeneralPartners`	$21.90M	USD	Annual
LIMITED PARTNERS	`NetIncomeLossAllocatedToLimitedPartners`	$281.73M	USD	Annual
LIMITED PARTNERS	`NetIncomeLossAllocatedToLimitedPartners`	$399.41M	USD	Annual
LIMITED PARTNERS	`NetIncomeLossAllocatedToLimitedPartners`	$365.04M	USD	Annual
EARNINGS PER LIMITED PARTNER UNIT - BASIC AND DILUTED	`NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasicAndDiluted`	$2.74	USD	Annual
EARNINGS PER LIMITED PARTNER UNIT - BASIC AND DILUTED	`NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasicAndDiluted`	$3.07	USD	Annual
EARNINGS PER LIMITED PARTNER UNIT - BASIC AND DILUTED	`NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasicAndDiluted`	$2.80	USD	Annual
WEIGHTED-AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC AND DILUTED	`WeightedAverageNumberOfLimitedPartnershipAndGeneralPartnershipUnitOutstandingBasicAndDiluted`	98.71M	shares	Annual
WEIGHTED-AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC AND DILUTED	`WeightedAverageNumberOfLimitedPartnershipAndGeneralPartnershipUnitOutstandingBasicAndDiluted`	130.76M	shares	Annual
WEIGHTED-AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC AND DILUTED	`WeightedAverageNumberOfLimitedPartnershipAndGeneralPartnershipUnitOutstandingBasicAndDiluted`	128.12M	shares	Annual

Cash Flow Statement 149 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$367.47M	USD	Annual
Net income	`ProfitLoss`	$406.93M	USD	Annual
Net income	`ProfitLoss`	$304.20M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$268.98M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$309.07M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$280.23M	USD	Annual
Non-cash compensation expense	`ShareBasedCompensation`	$12.11M	USD	Annual
Non-cash compensation expense	`ShareBasedCompensation`	$12.33M	USD	Annual
Non-cash compensation expense	`ShareBasedCompensation`	$11.93M	USD	Annual
Asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$3.79M	USD	Annual
Asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$4.09M	USD	Annual
Asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$3.93M	USD	Annual
Coal inventory adjustment to market	`InventoryWriteDown`	$1.46M	USD	Annual
Coal inventory adjustment to market	`InventoryWriteDown`	$449.00K	USD	Annual
Coal inventory adjustment to market	`InventoryWriteDown`	$4.89M	USD	Annual
Equity investment income	`IncomeLossFromEquityMethodInvestments`	$2.20M	USD	Annual
Equity investment income	`IncomeLossFromEquityMethodInvestments`	$13.86M	USD	Annual
Equity investment income	`IncomeLossFromEquityMethodInvestments`	$22.19M	USD	Annual
Distributions from equity method investments	`EquityMethodInvestmentDividendsOrDistributions`	$2.20M	USD	Annual
Distributions from equity method investments	`EquityMethodInvestmentDividendsOrDistributions`	$13.94M	USD	Annual
Distributions from equity method investments	`EquityMethodInvestmentDividendsOrDistributions`	$21.97M	USD	Annual
Income from equity securities paid-in-kind	`PaidInKindDistributionsReceivedFromInvestment`	$15.70M	USD	Annual
Income from equity securities paid-in-kind	`PaidInKindDistributionsReceivedFromInvestment`	$6.40M	USD	Annual
Income from equity securities paid-in-kind	`PaidInKindDistributionsReceivedFromInvestment`	$712.00K	USD	Annual
Net loss (gain) on sale of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$-109.00K	USD	Annual
Net loss (gain) on sale of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$696.00K	USD	Annual
Net loss (gain) on sale of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$1.28M	USD	Annual
Asset impairment	`AssetImpairmentCharges`	$15.19M	USD	Annual
Asset impairment	`AssetImpairmentCharges`	$40.48M	USD	Annual
Acquisition gain, net	`BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss`	$177.04M	USD	Annual
Cash received on redemption of equity securities in excess of investment	`GainLossOnSaleOfInvestments`	$11.48M	USD	Annual
Valuation allowance of deferred tax assets	`ValuationAllowanceDeferredTaxAssetChangeInAmount`	$3.34M	USD	Annual
Valuation allowance of deferred tax assets	`ValuationAllowanceDeferredTaxAssetChangeInAmount`	$413.00K	USD	Annual
Valuation allowance of deferred tax assets	`ValuationAllowanceDeferredTaxAssetChangeInAmount`	$1.56M	USD	Annual
Debt extinguishment loss	`GainsLossesOnExtinguishmentOfDebt`	$-8.15M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-6.21M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-5.68M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-3.17M	USD	Annual
Trade receivables	`IncreaseDecreaseInAccountsReceivable`	$-20.84M	USD	Annual
Trade receivables	`IncreaseDecreaseInAccountsReceivable`	$-6.76M	USD	Annual
Trade receivables	`IncreaseDecreaseInAccountsReceivable`	$29.64M	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$249.00K	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-3.73M	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-133.00K	USD	Annual
Inventories, net	`IncreaseDecreaseInInventories`	$1.45M	USD	Annual
Inventories, net	`IncreaseDecreaseInInventories`	$35.08M	USD	Annual
Inventories, net	`IncreaseDecreaseInInventories`	$747.00K	USD	Annual
Prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-7.39M	USD	Annual
Prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$6.07M	USD	Annual
Prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-6.14M	USD	Annual
Advance royalties	`IncreaseDecreaseInAdvanceRoyalties`	$8.78M	USD	Annual
Advance royalties	`IncreaseDecreaseInAdvanceRoyalties`	$13.59M	USD	Annual
Advance royalties	`IncreaseDecreaseInAdvanceRoyalties`	$9.88M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-17.67M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$25.50M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-813.00K	USD	Annual
Accrued taxes other than income taxes	`IncreaseDecreaseInAccruedLiabilities`	$-3.61M	USD	Annual
Accrued taxes other than income taxes	`IncreaseDecreaseInAccruedLiabilities`	$-994.00K	USD	Annual
Accrued taxes other than income taxes	`IncreaseDecreaseInAccruedLiabilities`	$2.06M	USD	Annual
Accrued payroll and related benefits	`IncreaseDecreaseInAccruedSalaries`	$-6.54M	USD	Annual
Accrued payroll and related benefits	`IncreaseDecreaseInAccruedSalaries`	$-5.83M	USD	Annual
Accrued payroll and related benefits	`IncreaseDecreaseInAccruedSalaries`	$7.36M	USD	Annual
Pneumoconiosis benefits	`IncreaseDecreaseInPneumoconiosisBenefits`	$1.84M	USD	Annual
Pneumoconiosis benefits	`IncreaseDecreaseInPneumoconiosisBenefits`	$-2.29M	USD	Annual
Pneumoconiosis benefits	`IncreaseDecreaseInPneumoconiosisBenefits`	$-159.00K	USD	Annual
Workers' compensation	`IncreaseDecreaseInWorkersCompensationLiabilities`	$-4.37M	USD	Annual
Workers' compensation	`IncreaseDecreaseInWorkersCompensationLiabilities`	$-4.90M	USD	Annual
Workers' compensation	`IncreaseDecreaseInWorkersCompensationLiabilities`	$3.85M	USD	Annual
Other	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-22.00K	USD	Annual
Other	`IncreaseDecreaseInOtherOperatingCapitalNet`	$4.23M	USD	Annual
Other	`IncreaseDecreaseInOtherOperatingCapitalNet`	$15.44M	USD	Annual
Total net adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$251.91M	USD	Annual
Total net adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$107.97M	USD	Annual
Total net adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$326.88M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$694.35M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$514.89M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$556.12M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$233.48M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$305.86M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$145.09M	USD	Annual
Change in accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilitiesForInvestingActivities`	$-81.00K	USD	Annual
Change in accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilitiesForInvestingActivities`	$7.40M	USD	Annual
Change in accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilitiesForInvestingActivities`	$-1.05M	USD	Annual
Proceeds from sale of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$2.41M	USD	Annual
Proceeds from sale of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$2.14M	USD	Annual
Proceeds from sale of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$1.27M	USD	Annual
Contributions to equity method investments	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$20.69M	USD	Annual
Contributions to equity method investments	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$15.60M	USD	Annual
Purchase of equity security	`PaymentsToAcquireLongtermInvestments`	$100.00M	USD	Annual
Distributions received from investments in excess of cumulative earnings	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$2.50M	USD	Annual
Distributions received from investments in excess of cumulative earnings	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$11.46M	USD	Annual
Distributions received from investments in excess of cumulative earnings	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$2.47M	USD	Annual
Payments for acquisitions of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$320.23M	USD	Annual
Cash received from redemption of equity securities	`ProceedsFromSaleOfLongtermInvestments`	$134.29M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-488.12M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-244.77M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-245.25M	USD	Annual
Borrowings under securitization facility	`ProceedsFromAccountsReceivableSecuritization`	$304.60M	USD	Annual
Borrowings under securitization facility	`ProceedsFromAccountsReceivableSecuritization`	$184.50M	USD	Annual
Borrowings under securitization facility	`ProceedsFromAccountsReceivableSecuritization`	$100.00M	USD	Annual
Payments under securitization facility	`RepaymentsOfAccountsReceivableSecuritization`	$127.60M	USD	Annual
Payments under securitization facility	`RepaymentsOfAccountsReceivableSecuritization`	$285.00M	USD	Annual
Payments under securitization facility	`RepaymentsOfAccountsReceivableSecuritization`	$202.70M	USD	Annual
Proceeds from equipment financings	`ProceedsFromIssuanceOfSecuredDebt`	$63.09M	USD	Annual
Payments on equipment financings	`RepaymentsOfSecuredDebt`	$2.61M	USD	Annual
Payment on term loan	`RepaymentsOfOtherLongTermDebt`	$50.00M	USD	Annual
Borrowings under revolving credit facilities	`ProceedsFromLongTermLinesOfCredit`	$400.00M	USD	Annual
Borrowings under revolving credit facilities	`ProceedsFromLongTermLinesOfCredit`	$215.49M	USD	Annual
Borrowings under revolving credit facilities	`ProceedsFromLongTermLinesOfCredit`	$245.00M	USD	Annual
Payments under revolving credit facilities	`RepaymentsOfLongTermLinesOfCredit`	$440.49M	USD	Annual
Payments under revolving credit facilities	`RepaymentsOfLongTermLinesOfCredit`	$320.00M	USD	Annual
Payments under revolving credit facilities	`RepaymentsOfLongTermLinesOfCredit`	$100.00M	USD	Annual
Borrowing under long-term debt	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$400.00M	USD	Annual
Payment on long-term debt	`RepaymentsOfSeniorDebt`	$145.00M	USD	Annual
Payments on finance lease obligations	`FinanceLeasePrincipalPayments`	$29.35M	USD	Annual
Payments on finance lease obligations	`FinanceLeasePrincipalPayments`	$46.73M	USD	Annual
Payments on finance lease obligations	`FinanceLeasePrincipalPayments`	$27.07M	USD	Annual
Payment of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$16.49M	USD	Annual
Payment for debt extinguishment	`PaymentsOfDebtExtinguishmentCosts`	$8.15M	USD	Annual
Payments for purchases of units under unit repurchase program	`PaymentsForRepurchaseOfEquity`	$70.60M	USD	Annual
Payments for purchases of units under unit repurchase program	`PaymentsForRepurchaseOfEquity`	$22.89M	USD	Annual
Contributions to consolidated company from affiliate noncontrolling interest	`ProceedsFromMinorityShareholders`	$251.00K	USD	Annual
Net settlement of withholding taxes on issuance of units in deferred compensation plans	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$7.82M	USD	Annual
Net settlement of withholding taxes on issuance of units in deferred compensation plans	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.08M	USD	Annual
Net settlement of withholding taxes on issuance of units in deferred compensation plans	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.99M	USD	Annual
Cash contributions by General Partner	`ProceedsFromPartnershipContribution`	$41.00K	USD	Annual
Cash contributions by General Partner	`ProceedsFromPartnershipContribution`	$1.10M	USD	Annual
Cash contribution by affiliated entity	`ProceedsFromContributionsFromAffiliates`	$2.14M	USD	Annual
Cash obtained in Simplification Transactions	`ProceedsFromSimplificationTransactions`	$1.14M	USD	Annual
Distributions paid to Partners	`PaymentsOfDistributionsToAffiliates`	$275.90M	USD	Annual
Distributions paid to Partners	`PaymentsOfDistributionsToAffiliates`	$240.81M	USD	Annual
Distributions paid to Partners	`PaymentsOfDistributionsToAffiliates`	$278.43M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-1.68M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.62M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-867.00K	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-234.45M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-211.70M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-344.37M	USD	Annual
NET CHANGE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-207.67M	USD	Annual
NET CHANGE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$237.39M	USD	Annual
NET CHANGE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-33.03M	USD	Annual
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$6.76M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$36.48M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$244.15M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$39.78M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$6.76M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$36.48M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$244.15M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$39.78M	USD	Point-in-time

Stockholders Equity 45 line items

Line Item	Tag	Value	Unit	Period
Balance at beginning of period	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$1.09B	USD	Point-in-time
Balance at beginning of period	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$1.15B	USD	Point-in-time
Balance at beginning of period	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$1.19B	USD	Point-in-time
Balance at beginning of period	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$1.27B	USD	Point-in-time
Balance at beginning of period (in units)	`LimitedPartnersCapitalAccountUnitsOutstanding`	128.10M	shares	Point-in-time
Balance at beginning of period (in units)	`LimitedPartnersCapitalAccountUnitsOutstanding`	126.92M	shares	Point-in-time
Net income	`ProfitLoss`	$367.47M	USD	Annual
Net income	`ProfitLoss`	$406.93M	USD	Annual
Net income	`ProfitLoss`	$304.20M	USD	Annual
Actuarially determined long-term liability adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$31.12M	USD	Annual
Actuarially determined long-term liability adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-5.07M	USD	Annual
Actuarially determined long-term liability adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$13.40M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$375.80M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$290.80M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$372.54M	USD	Annual
Settlement of deferred compensation plans	`DeferredCompensationAndLongTermIncentivePlansValueShareBasedCompensation`	$2.99M	USD	Annual
Settlement of deferred compensation plans	`DeferredCompensationAndLongTermIncentivePlansValueShareBasedCompensation`	$7.82M	USD	Annual
Settlement of deferred compensation plans	`DeferredCompensationAndLongTermIncentivePlansValueShareBasedCompensation`	$2.75M	USD	Annual
Exchange Transaction fees	`PartnersCapitalAccountExchangeTransactionFees`	$1.60M	USD	Annual
Contributions to consolidated company from affiliate noncontrolling interest	`EquityContributionsReceivedByNoncontrollingInterests`	$251.00K	USD	Annual
Issuance of units to Owners of SGP in Simplification Transactions	`PartnersCapitalAccountSgpSimplificationTransaction`	$-364.00K	USD	Annual
Simplification Transactions fees	`PartnersCapitalAccountSimplificationTransactionsFees`	$96.00K	USD	Annual
Contribution of units and cash by affiliated entity	`PartnersCapitalAccountContributionsByAffiliate`	$2.14M	USD	Annual
Purchase of units under unit repurchase program	`PartnersCapitalAccountTreasuryUnitsPurchases`	$22.89M	USD	Annual
Purchase of units under unit repurchase program	`PartnersCapitalAccountTreasuryUnitsPurchases`	$70.60M	USD	Annual
Common unit-based compensation	`PartnersCapitalAccountUnitBasedCompensation`	$12.33M	USD	Annual
Common unit-based compensation	`PartnersCapitalAccountUnitBasedCompensation`	$12.11M	USD	Annual
Common unit-based compensation	`PartnersCapitalAccountUnitBasedCompensation`	$11.93M	USD	Annual
Distributions on deferred common unit-based compensation	`DistributionsOnCommonUnitBasedCompensation`	$3.67M	USD	Annual
Distributions on deferred common unit-based compensation	`DistributionsOnCommonUnitBasedCompensation`	$3.85M	USD	Annual
Distributions on deferred common unit-based compensation	`DistributionsOnCommonUnitBasedCompensation`	$3.25M	USD	Annual
General Partners contributions	`PartnersCapitalAccountContributions`	$1.10M	USD	Annual
General Partners contributions	`PartnersCapitalAccountContributions`	$41.00K	USD	Annual
Distributions from consolidated company to affiliate noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$867.00K	USD	Annual
Distributions from consolidated company to affiliate noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$924.00K	USD	Annual
Distributions from consolidated company to affiliate noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$1.02M	USD	Annual
Distributions to Partners	`PartnersCapitalAccountDistributionsToPartners`	$272.05M	USD	Annual
Distributions to Partners	`PartnersCapitalAccountDistributionsToPartners`	$274.75M	USD	Annual
Distributions to Partners	`PartnersCapitalAccountDistributionsToPartners`	$237.56M	USD	Annual
Balance at end of period	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$1.09B	USD	Point-in-time
Balance at end of period	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$1.15B	USD	Point-in-time
Balance at end of period	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$1.19B	USD	Point-in-time
Balance at end of period	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$1.27B	USD	Point-in-time
Balance at end of period (in units)	`LimitedPartnersCapitalAccountUnitsOutstanding`	128.10M	shares	Point-in-time
Balance at end of period (in units)	`LimitedPartnersCapitalAccountUnitsOutstanding`	126.92M	shares	Point-in-time

Comprehensive Income 18 line items

Line Item	Tag	Value	Unit	Period
NET INCOME	`ProfitLoss`	$367.47M	USD	Annual
NET INCOME	`ProfitLoss`	$406.93M	USD	Annual
NET INCOME	`ProfitLoss`	$304.20M	USD	Annual
Total adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$31.12M	USD	Annual
Total adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-5.07M	USD	Annual
Total adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$13.40M	USD	Annual
OTHER COMPREHENSIVE INCOME (LOSS)	`OtherComprehensiveIncomeLossNetOfTax`	$5.07M	USD	Annual
OTHER COMPREHENSIVE INCOME (LOSS)	`OtherComprehensiveIncomeLossNetOfTax`	$-13.40M	USD	Annual
OTHER COMPREHENSIVE INCOME (LOSS)	`OtherComprehensiveIncomeLossNetOfTax`	$-31.12M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$375.80M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$290.80M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$372.54M	USD	Annual
Less: Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$7.51M	USD	Annual
Less: Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$563.00K	USD	Annual
Less: Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$866.00K	USD	Annual
COMPREHENSIVE INCOME ATTRIBUTABLE TO ARLP	`ComprehensiveIncomeNetOfTax`	$368.29M	USD	Annual
COMPREHENSIVE INCOME ATTRIBUTABLE TO ARLP	`ComprehensiveIncomeNetOfTax`	$290.24M	USD	Annual
COMPREHENSIVE INCOME ATTRIBUTABLE TO ARLP	`ComprehensiveIncomeNetOfTax`	$371.67M	USD	Annual

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