10-K Filing

ALLIANCE RESOURCE PARTNERS LP CIK: 1086600 FY 2015

Filing Information

Form Type	10-K
Accession Number	`0001104659-16-100435`
Period End Date	20151231
Filing Date	20160226
Fiscal Year	2015
Fiscal Period	FY
XBRL Instance	arlp-20151231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 96 Income Statement 151 Cash Flow Statement 143 Stockholders Equity 38 Comprehensive Income 14

Balance Sheet 96 line items

Line Item	Tag	Value	Unit	Period
Limited Partners, Common Unitholders, units outstanding	`LimitedPartnersCapitalAccountUnitsOutstanding`	74.06M	shares	Point-in-time
Limited Partners, Common Unitholders, units outstanding	`LimitedPartnersCapitalAccountUnitsOutstanding`	74.19M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$93.65M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$28.28M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$33.43M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$24.60M	USD	Point-in-time
Trade receivables	`AccountsReceivableNetCurrent`	$184.19M	USD	Point-in-time
Trade receivables	`AccountsReceivableNetCurrent`	$122.88M	USD	Point-in-time
Other receivables	`NontradeReceivablesCurrent`	$696.00K	USD	Point-in-time
Other receivables	`NontradeReceivablesCurrent`	$1.02M	USD	Point-in-time
Due from affiliates	`DueFromAffiliateCurrent`	$190.00K	USD	Point-in-time
Due from affiliates	`DueFromAffiliateCurrent`	$7.22M	USD	Point-in-time
Inventories, net	`InventoryNet`	$121.08M	USD	Point-in-time
Inventories, net	`InventoryNet`	$83.16M	USD	Point-in-time
Advance royalties, net	`PrepaidRoyalties`	$9.42M	USD	Point-in-time
Advance royalties, net	`PrepaidRoyalties`	$6.82M	USD	Point-in-time
Prepaid expenses and other assets	`PrepaidExpenseAndOtherAssetsCurrent`	$31.28M	USD	Point-in-time
Prepaid expenses and other assets	`PrepaidExpenseAndOtherAssetsCurrent`	$29.81M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$314.90M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$340.89M	USD	Point-in-time
Property, plant and equipment, at cost	`PropertyPlantAndEquipmentGross`	$2.82B	USD	Point-in-time
Property, plant and equipment, at cost	`PropertyPlantAndEquipmentGross`	$3.04B	USD	Point-in-time
Less accumulated depreciation, depletion and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.24B	USD	Point-in-time
Less accumulated depreciation, depletion and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.15B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$1.67B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$1.80B	USD	Point-in-time
Advance royalties, net	`PrepaidMineralRoyaltiesNoncurrent`	$15.89M	USD	Point-in-time
Advance royalties, net	`PrepaidMineralRoyaltiesNoncurrent`	$21.30M	USD	Point-in-time
Due from affiliate	`DueFromAffiliateNoncurrent`	$11.05M	USD	Point-in-time
Due from affiliate	`DueFromAffiliateNoncurrent`	-	USD	Point-in-time
Equity investments in affiliates	`EquityMethodInvestments`	$64.51M	USD	Point-in-time
Equity investments in affiliates	`EquityMethodInvestments`	$224.61M	USD	Point-in-time
Goodwill - (Note 3)	`Goodwill`	$136.40M	USD	Point-in-time
Other long-term assets	`OtherAssetsNoncurrent`	$27.41M	USD	Point-in-time
Other long-term assets	`OtherAssetsNoncurrent`	$25.75M	USD	Point-in-time
Total other assets	`AssetsNoncurrentExcludingPropertyPlantAndEquipment`	$278.96M	USD	Point-in-time
Total other assets	`AssetsNoncurrentExcludingPropertyPlantAndEquipment`	$247.95M	USD	Point-in-time
TOTAL ASSETS	`Assets`	$2.29B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$2.36B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$2.12B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$85.84M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$83.60M	USD	Point-in-time
Due to affiliates	`DueToAffiliateCurrent`	$370.00K	USD	Point-in-time
Due to affiliates	`DueToAffiliateCurrent`	$129.00K	USD	Point-in-time
Accrued taxes other than income taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$19.43M	USD	Point-in-time
Accrued taxes other than income taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$15.62M	USD	Point-in-time
Accrued payroll and related expenses	`EmployeeRelatedLiabilitiesCurrent`	$57.66M	USD	Point-in-time
Accrued payroll and related expenses	`EmployeeRelatedLiabilitiesCurrent`	$37.03M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$318.00K	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$306.00K	USD	Point-in-time
Workers' compensation and pneumoconiosis benefits	`WorkersCompensationAndPneumoconiosisBenefitsCurrent`	$8.87M	USD	Point-in-time
Workers' compensation and pneumoconiosis benefits	`WorkersCompensationAndPneumoconiosisBenefitsCurrent`	$8.69M	USD	Point-in-time
Current capital lease obligations	`CapitalLeaseObligationsCurrent`	$1.30M	USD	Point-in-time
Current capital lease obligations	`CapitalLeaseObligationsCurrent`	$19.76M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$17.11M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$18.93M	USD	Point-in-time
Current maturities, long-term debt	`LongTermDebtCurrent`	$230.00M	USD	Point-in-time
Current maturities, long-term debt	`LongTermDebtCurrent`	$239.35M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$423.42M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$420.89M	USD	Point-in-time
Long-term debt, excluding current maturities	`LongTermDebtNoncurrent`	$591.25M	USD	Point-in-time
Long-term debt, excluding current maturities	`LongTermDebtNoncurrent`	$580.00M	USD	Point-in-time
Pneumoconiosis benefits	`PneumoconiosisBenefits`	$55.28M	USD	Point-in-time
Pneumoconiosis benefits	`PneumoconiosisBenefits`	$60.08M	USD	Point-in-time
Accrued pension benefit	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$39.03M	USD	Point-in-time
Accrued pension benefit	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$40.10M	USD	Point-in-time
Workers' compensation	`WorkersCompensationLiabilityNoncurrent`	$49.80M	USD	Point-in-time
Workers' compensation	`WorkersCompensationLiabilityNoncurrent`	$47.49M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$122.43M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$91.08M	USD	Point-in-time
Long-term capital lease obligations	`CapitalLeaseObligationsNoncurrent`	$15.62M	USD	Point-in-time
Long-term capital lease obligations	`CapitalLeaseObligationsNoncurrent`	$80.15M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$21.17M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$5.98M	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$950.35M	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$849.12M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.37B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.27B	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES - (Note 20)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES - (Note 20)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Limited Partners - Common Unitholders 74,188,784 and 74,060,634 units outstanding, respectively	`LimitedPartnersCapitalAccount`	$1.28B	USD	Point-in-time
Limited Partners - Common Unitholders 74,188,784 and 74,060,634 units outstanding, respectively	`LimitedPartnersCapitalAccount`	$1.31B	USD	Point-in-time
General Partners' deficit	`GeneralPartnersCapitalAccount`	$-260.09M	USD	Point-in-time
General Partners' deficit	`GeneralPartnersCapitalAccount`	$-258.88M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-35.85M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-34.56M	USD	Point-in-time
Total ARLP Partners' Capital	`PartnersCapital`	$986.78M	USD	Point-in-time
Total ARLP Partners' Capital	`PartnersCapital`	$1.01B	USD	Point-in-time
Noncontrolling interest	`PartnersCapitalAttributableToNoncontrollingInterest`	$465.00K	USD	Point-in-time
Noncontrolling interest	`PartnersCapitalAttributableToNoncontrollingInterest`	$2.58M	USD	Point-in-time
Total Partners' Capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$989.36M	USD	Point-in-time
Total Partners' Capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$851.24M	USD	Point-in-time
Total Partners' Capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$705.45M	USD	Point-in-time
Total Partners' Capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$1.02B	USD	Point-in-time
TOTAL LIABILITIES AND PARTNERS' CAPITAL	`LiabilitiesAndStockholdersEquity`	$2.36B	USD	Point-in-time
TOTAL LIABILITIES AND PARTNERS' CAPITAL	`LiabilitiesAndStockholdersEquity`	$2.29B	USD	Point-in-time

Income Statement 151 line items

Line Item	Tag	Value	Unit	Period
Interest expense, interest capitalized	`InterestCostsCapitalized`	$695.00K	USD	Annual
Interest expense, interest capitalized	`InterestCostsCapitalized`	$8.99M	USD	Annual
Interest expense, interest capitalized	`InterestCostsCapitalized`	$833.00K	USD	Annual
Coal sales	`CoalProductsAndServicesRevenue`	$2.16B	USD	Annual
Coal sales	`CoalProductsAndServicesRevenue`	$2.21B	USD	Annual
Coal sales	`CoalProductsAndServicesRevenue`	$2.14B	USD	Annual
Transportation revenues	`ShippingAndHandlingRevenue`	$32.64M	USD	Annual
Transportation revenues	`ShippingAndHandlingRevenue`	$33.60M	USD	Annual
Transportation revenues	`ShippingAndHandlingRevenue`	$26.02M	USD	Annual
Other sales and operating revenues	`OtherSalesRevenueNet`	$82.13M	USD	Annual
Other sales and operating revenues	`OtherSalesRevenueNet`	$35.47M	USD	Annual
Other sales and operating revenues	`OtherSalesRevenueNet`	$66.09M	USD	Annual
Total revenues	`SalesRevenueNet`	$560.42M	USD	1 Quarter
Total revenues	`SalesRevenueNet`	$590.79M	USD	1 Quarter
Total revenues	`SalesRevenueNet`	$2.30B	USD	Annual
Total revenues	`SalesRevenueNet`	$2.27B	USD	Annual
Total revenues	`SalesRevenueNet`	$598.56M	USD	1 Quarter
Total revenues	`SalesRevenueNet`	$604.72M	USD	1 Quarter
Total revenues	`SalesRevenueNet`	$566.45M	USD	1 Quarter
Total revenues	`SalesRevenueNet`	$569.33M	USD	1 Quarter
Total revenues	`SalesRevenueNet`	$542.15M	USD	1 Quarter
Total revenues	`SalesRevenueNet`	$2.21B	USD	Annual
Total revenues	`SalesRevenueNet`	$542.04M	USD	1 Quarter
Operating expenses (excluding depreciation, depletion and amortization)	`CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization`	$1.40B	USD	Annual
Operating expenses (excluding depreciation, depletion and amortization)	`CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization`	$1.38B	USD	Annual
Operating expenses (excluding depreciation, depletion and amortization)	`CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization`	$1.38B	USD	Annual
Transportation expenses	`ShippingHandlingAndTransportationCosts`	$26.02M	USD	Annual
Transportation expenses	`ShippingHandlingAndTransportationCosts`	$32.64M	USD	Annual
Transportation expenses	`ShippingHandlingAndTransportationCosts`	$33.60M	USD	Annual
Outside coal purchases	`OutsideCoalPurchases`	$14.00K	USD	Annual
Outside coal purchases	`OutsideCoalPurchases`	$327.00K	USD	Annual
Outside coal purchases	`OutsideCoalPurchases`	$2.03M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$72.55M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$67.48M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$63.70M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$264.91M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$333.71M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$274.57M	USD	Annual
Asset impairment - (Note 4)	`AssetImpairmentCharges`	$89.40M	USD	1 Quarter
Asset impairment - (Note 4)	`AssetImpairmentCharges`	$10.70M	USD	1 Quarter
Asset impairment - (Note 4)	`AssetImpairmentCharges`	$100.13M	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.76B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.91B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.76B	USD	Annual
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$134.15M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$127.51M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$129.51M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$6.21M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$123.47M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$443.52M	USD	Annual
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$544.21M	USD	Annual
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$107.22M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$153.03M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$124.53M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$361.43M	USD	Annual
Interest expense (net of interest capitalized of $695, $833 and $8,992, respectively)	`InterestExpense`	$27.04M	USD	Annual
Interest expense (net of interest capitalized of $695, $833 and $8,992, respectively)	`InterestExpense`	$33.58M	USD	Annual
Interest expense (net of interest capitalized of $695, $833 and $8,992, respectively)	`InterestExpense`	$31.15M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$962.00K	USD	Annual
Interest income	`InvestmentIncomeInterest`	$1.67M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$1.46M	USD	Annual
Equity in (loss) income of affiliates, net	`IncomeLossFromEquityMethodInvestments`	$-24.44M	USD	Annual
Equity in (loss) income of affiliates, net	`IncomeLossFromEquityMethodInvestments`	$-16.65M	USD	Annual
Equity in (loss) income of affiliates, net	`IncomeLossFromEquityMethodInvestments`	$-49.05M	USD	Annual
Acquisition gain, net - (Note 3)	`BusinessCombinationNetGainsAndLosses`	$22.55M	USD	Annual
Acquisition gain, net - (Note 3)	`BusinessCombinationNetGainsAndLosses`	$22.50M	USD	1 Quarter
Other income	`OtherNonoperatingIncome`	$1.89M	USD	Annual
Other income	`OtherNonoperatingIncome`	$1.57M	USD	Annual
Other income	`OtherNonoperatingIncome`	$955.00K	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$83.38M	USD	1 Quarter
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$137.65M	USD	1 Quarter
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$306.19M	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$497.21M	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$94.86M	USD	1 Quarter
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$21.48M	USD	1 Quarter
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$115.90M	USD	1 Quarter
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$119.98M	USD	1 Quarter
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$394.89M	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$106.47M	USD	1 Quarter
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$123.68M	USD	1 Quarter
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$21.00K	USD	Annual
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$1.40M	USD	Annual
NET INCOME	`ProfitLoss`	$306.17M	USD	Annual
NET INCOME	`ProfitLoss`	$393.49M	USD	Annual
NET INCOME	`ProfitLoss`	$497.21M	USD	Annual
LESS: NET LOSS ATTRIBUTABLE TO NONCONTROLLING INTEREST	`NetIncomeLossAttributableToNoncontrollingInterest`	$-27.00K	USD	Annual
LESS: NET LOSS ATTRIBUTABLE TO NONCONTROLLING INTEREST	`NetIncomeLossAttributableToNoncontrollingInterest`	$-16.00K	USD	Annual
NET INCOME ATTRIBUTABLE TO ALLIANCE RESOURCE PARTNERS, L.P. ("NET INCOME OF ARLP")	`NetIncomeLoss`	$115.90M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO ALLIANCE RESOURCE PARTNERS, L.P. ("NET INCOME OF ARLP")	`NetIncomeLoss`	$106.48M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO ALLIANCE RESOURCE PARTNERS, L.P. ("NET INCOME OF ARLP")	`NetIncomeLoss`	$119.98M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO ALLIANCE RESOURCE PARTNERS, L.P. ("NET INCOME OF ARLP")	`NetIncomeLoss`	$393.49M	USD	Annual
NET INCOME ATTRIBUTABLE TO ALLIANCE RESOURCE PARTNERS, L.P. ("NET INCOME OF ARLP")	`NetIncomeLoss`	$21.48M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO ALLIANCE RESOURCE PARTNERS, L.P. ("NET INCOME OF ARLP")	`NetIncomeLoss`	$83.38M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO ALLIANCE RESOURCE PARTNERS, L.P. ("NET INCOME OF ARLP")	`NetIncomeLoss`	$137.65M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO ALLIANCE RESOURCE PARTNERS, L.P. ("NET INCOME OF ARLP")	`NetIncomeLoss`	$94.86M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO ALLIANCE RESOURCE PARTNERS, L.P. ("NET INCOME OF ARLP")	`NetIncomeLoss`	$306.20M	USD	Annual
NET INCOME ATTRIBUTABLE TO ALLIANCE RESOURCE PARTNERS, L.P. ("NET INCOME OF ARLP")	`NetIncomeLoss`	$123.69M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO ALLIANCE RESOURCE PARTNERS, L.P. ("NET INCOME OF ARLP")	`NetIncomeLoss`	$497.23M	USD	Annual
GENERAL PARTNERS' INTEREST IN NET INCOME OF ARLP	`NetIncomeLossAllocatedToGeneralPartners`	$138.27M	USD	Annual
GENERAL PARTNERS' INTEREST IN NET INCOME OF ARLP	`NetIncomeLossAllocatedToGeneralPartners`	$146.34M	USD	Annual
GENERAL PARTNERS' INTEREST IN NET INCOME OF ARLP	`NetIncomeLossAllocatedToGeneralPartners`	$121.35M	USD	Annual
LIMITED PARTNERS' INTEREST IN NET INCOME OF ARLP	`NetIncomeLossAllocatedToLimitedPartners`	$272.14M	USD	Annual
LIMITED PARTNERS' INTEREST IN NET INCOME OF ARLP	`NetIncomeLossAllocatedToLimitedPartners`	$159.86M	USD	Annual
LIMITED PARTNERS' INTEREST IN NET INCOME OF ARLP	`NetIncomeLossAllocatedToLimitedPartners`	$358.95M	USD	Annual
BASIC NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$0.61	USD	1 Quarter
BASIC NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$1.13	USD	1 Quarter
BASIC NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$1.10	USD	1 Quarter
BASIC NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$3.63	USD	Annual
BASIC NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$1.18	USD	1 Quarter
BASIC NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$2.11	USD	Annual
BASIC NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$0.76	USD	1 Quarter
BASIC NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$4.77	USD	Annual
BASIC NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$1.37	USD	1 Quarter
BASIC NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$0.92	USD	1 Quarter
BASIC NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$-0.19	USD	1 Quarter
DILUTED NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted`	$0.61	USD	1 Quarter
DILUTED NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted`	$4.77	USD	Annual
DILUTED NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted`	$1.18	USD	1 Quarter
DILUTED NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted`	$1.13	USD	1 Quarter
DILUTED NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted`	$2.11	USD	Annual
DILUTED NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted`	$3.63	USD	Annual
DILUTED NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted`	$0.76	USD	1 Quarter
DILUTED NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted`	$0.92	USD	1 Quarter
DILUTED NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted`	$1.37	USD	1 Quarter
DILUTED NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted`	$1.10	USD	1 Quarter
DILUTED NET INCOME OF ARLP PER LIMITED PARTNER UNIT (in dollars per unit)	`NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted`	$-0.19	USD	1 Quarter
DISTRIBUTIONS PAID PER LIMITED PARTNER UNIT (in dollars per unit)	`DistributionsPerLimitedPartnershipUnitOutstanding`	$2.28	USD	Annual
DISTRIBUTIONS PAID PER LIMITED PARTNER UNIT (in dollars per unit)	`DistributionsPerLimitedPartnershipUnitOutstanding`	$2.47	USD	Annual
DISTRIBUTIONS PAID PER LIMITED PARTNER UNIT (in dollars per unit)	`DistributionsPerLimitedPartnershipUnitOutstanding`	$2.66	USD	Annual
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC (in units)	`WeightedAverageLimitedPartnershipUnitsOutstanding`	73.90M	shares	Annual
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC (in units)	`WeightedAverageLimitedPartnershipUnitsOutstanding`	73.99M	shares	1 Quarter
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC (in units)	`WeightedAverageLimitedPartnershipUnitsOutstanding`	74.06M	shares	1 Quarter
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC (in units)	`WeightedAverageLimitedPartnershipUnitsOutstanding`	74.06M	shares	1 Quarter
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC (in units)	`WeightedAverageLimitedPartnershipUnitsOutstanding`	74.13M	shares	1 Quarter
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC (in units)	`WeightedAverageLimitedPartnershipUnitsOutstanding`	74.04M	shares	Annual
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC (in units)	`WeightedAverageLimitedPartnershipUnitsOutstanding`	74.17M	shares	Annual
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC (in units)	`WeightedAverageLimitedPartnershipUnitsOutstanding`	74.19M	shares	1 Quarter
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC (in units)	`WeightedAverageLimitedPartnershipUnitsOutstanding`	74.06M	shares	1 Quarter
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC (in units)	`WeightedAverageLimitedPartnershipUnitsOutstanding`	74.19M	shares	1 Quarter
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC (in units)	`WeightedAverageLimitedPartnershipUnitsOutstanding`	74.19M	shares	1 Quarter
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - DILUTED (in units)	`WeightedAverageLimitedPartnershipUnitsOutstandingDiluted`	74.06M	shares	1 Quarter
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - DILUTED (in units)	`WeightedAverageLimitedPartnershipUnitsOutstandingDiluted`	74.19M	shares	1 Quarter
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - DILUTED (in units)	`WeightedAverageLimitedPartnershipUnitsOutstandingDiluted`	73.90M	shares	Annual
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - DILUTED (in units)	`WeightedAverageLimitedPartnershipUnitsOutstandingDiluted`	74.13M	shares	1 Quarter
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - DILUTED (in units)	`WeightedAverageLimitedPartnershipUnitsOutstandingDiluted`	74.06M	shares	1 Quarter
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - DILUTED (in units)	`WeightedAverageLimitedPartnershipUnitsOutstandingDiluted`	74.04M	shares	Annual
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - DILUTED (in units)	`WeightedAverageLimitedPartnershipUnitsOutstandingDiluted`	74.17M	shares	Annual
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - DILUTED (in units)	`WeightedAverageLimitedPartnershipUnitsOutstandingDiluted`	73.99M	shares	1 Quarter
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - DILUTED (in units)	`WeightedAverageLimitedPartnershipUnitsOutstandingDiluted`	74.19M	shares	1 Quarter
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - DILUTED (in units)	`WeightedAverageLimitedPartnershipUnitsOutstandingDiluted`	74.19M	shares	1 Quarter
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING - DILUTED (in units)	`WeightedAverageLimitedPartnershipUnitsOutstandingDiluted`	74.06M	shares	1 Quarter

Cash Flow Statement 143 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$306.17M	USD	Annual
Net income	`ProfitLoss`	$393.49M	USD	Annual
Net income	`ProfitLoss`	$497.21M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$264.91M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$333.71M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$274.57M	USD	Annual
Non-cash compensation expense	`ShareBasedCompensation`	$8.90M	USD	Annual
Non-cash compensation expense	`ShareBasedCompensation`	$11.25M	USD	Annual
Non-cash compensation expense	`ShareBasedCompensation`	$12.63M	USD	Annual
Asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$2.73M	USD	Annual
Asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$3.00M	USD	Annual
Asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$3.19M	USD	Annual
Coal inventory adjustment to market	`InventoryWriteDown`	$377.00K	USD	Annual
Coal inventory adjustment to market	`InventoryWriteDown`	$2.81M	USD	Annual
Coal inventory adjustment to market	`InventoryWriteDown`	$1.95M	USD	Annual
Equity in loss of affiliates, net	`IncomeLossFromEquityMethodInvestments`	$-24.44M	USD	Annual
Equity in loss of affiliates, net	`IncomeLossFromEquityMethodInvestments`	$-16.65M	USD	Annual
Equity in loss of affiliates, net	`IncomeLossFromEquityMethodInvestments`	$-49.05M	USD	Annual
Net (gain) loss on sale of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$-3.48M	USD	Annual
Net (gain) loss on sale of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$4.41M	USD	Annual
Net (gain) loss on sale of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$1.00K	USD	Annual
Asset impairment	`AssetImpairmentCharges`	$89.40M	USD	1 Quarter
Asset impairment	`AssetImpairmentCharges`	$10.70M	USD	1 Quarter
Asset impairment	`AssetImpairmentCharges`	$100.13M	USD	Annual
Acquisition gain, net	`BusinessCombinationNetGainsAndLosses`	$22.55M	USD	Annual
Acquisition gain, net	`BusinessCombinationNetGainsAndLosses`	$22.50M	USD	1 Quarter
Valuation allowance of deferred tax assets	`IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance`	$1.56M	USD	Annual
Valuation allowance of deferred tax assets	`IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance`	$3.48M	USD	Annual
Valuation allowance of deferred tax assets	`IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance`	$1.64M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$6.25M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-6.39M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$5.15M	USD	Annual
Trade receivables	`IncreaseDecreaseInAccountsReceivable`	$-64.41M	USD	Annual
Trade receivables	`IncreaseDecreaseInAccountsReceivable`	$-19.06M	USD	Annual
Trade receivables	`IncreaseDecreaseInAccountsReceivable`	$30.52M	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-243.00K	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-422.00K	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-16.00K	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$795.00K	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$39.10M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$31.63M	USD	Annual
Prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-856.00K	USD	Annual
Prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$3.40M	USD	Annual
Prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-4.29M	USD	Annual
Advance royalties	`IncreaseDecreaseInAdvanceRoyalties`	$-4.49M	USD	Annual
Advance royalties	`IncreaseDecreaseInAdvanceRoyalties`	$-4.96M	USD	Annual
Advance royalties	`IncreaseDecreaseInAdvanceRoyalties`	$6.92M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-41.53M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$8.74M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-17.75M	USD	Annual
Due to/from affiliates	`IncreaseDecreaseInDueToAffiliatesNetOfDueFromAffiliates`	$-1.34M	USD	Annual
Due to/from affiliates	`IncreaseDecreaseInDueToAffiliatesNetOfDueFromAffiliates`	$-3.10M	USD	Annual
Due to/from affiliates	`IncreaseDecreaseInDueToAffiliatesNetOfDueFromAffiliates`	$-11.11M	USD	Annual
Accrued taxes other than income taxes	`IncreaseDecreaseInAccruedLiabilities`	$-937.00K	USD	Annual
Accrued taxes other than income taxes	`IncreaseDecreaseInAccruedLiabilities`	$-4.29M	USD	Annual
Accrued taxes other than income taxes	`IncreaseDecreaseInAccruedLiabilities`	$365.00K	USD	Annual
Accrued payroll and related benefits	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$8.60M	USD	Annual
Accrued payroll and related benefits	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$10.55M	USD	Annual
Accrued payroll and related benefits	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$-24.53M	USD	Annual
Pneumoconiosis benefits	`IncreaseDecreaseInPneumoconiosisBenefits`	$3.74M	USD	Annual
Pneumoconiosis benefits	`IncreaseDecreaseInPneumoconiosisBenefits`	$2.81M	USD	Annual
Pneumoconiosis benefits	`IncreaseDecreaseInPneumoconiosisBenefits`	$5.94M	USD	Annual
Workers' compensation	`IncreaseDecreaseInWorkersCompensationLiabilities`	$-5.35M	USD	Annual
Workers' compensation	`IncreaseDecreaseInWorkersCompensationLiabilities`	$-14.09M	USD	Annual
Workers' compensation	`IncreaseDecreaseInWorkersCompensationLiabilities`	$-2.49M	USD	Annual
Other	`IncreaseDecreaseInOtherOperatingCapitalNet`	$6.81M	USD	Annual
Other	`IncreaseDecreaseInOtherOperatingCapitalNet`	$17.63M	USD	Annual
Other	`IncreaseDecreaseInOtherOperatingCapitalNet`	$1.32M	USD	Annual
Total net adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$241.99M	USD	Annual
Total net adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$311.16M	USD	Annual
Total net adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$410.17M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$716.34M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$704.65M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$739.20M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$212.80M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$329.15M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$307.39M	USD	Annual
Changes in accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-3.05M	USD	Annual
Changes in accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-2.27M	USD	Annual
Changes in accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-3.02M	USD	Annual
Proceeds from sale of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$1.52M	USD	Annual
Proceeds from sale of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$381.00K	USD	Annual
Proceeds from sale of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$2.06M	USD	Annual
Proceeds from insurance settlement for property, plant and equipment	`ProceedsFromInsuranceSettlementInvestingActivities`	$4.51M	USD	Annual
Purchases of equity investments in affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$111.38M	USD	Annual
Purchases of equity investments in affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$64.54M	USD	Annual
Purchases of equity investments in affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$62.50M	USD	Annual
Payments for acquisitions of businesses, net of cash acquired - (Note 3)	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$74.95M	USD	Annual
Payments to affiliate for acquisition and development of coal reserves	`PaymentsToAffiliateForMineralRightsAndDevelopment`	$25.27M	USD	Annual
Payments to affiliate for acquisition and development of coal reserves	`PaymentsToAffiliateForMineralRightsAndDevelopment`	$4.08M	USD	Annual
Payment for acquisition of customer contracts	`PaymentsToAcquireIntangibleAssets`	$11.69M	USD	Annual
Advances/loans to affiliate	`PaymentsForAdvanceToAffiliate`	$7.50M	USD	Annual
Advances/loans to affiliate	`PaymentsForAdvanceToAffiliate`	$7.30M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$9.31M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-4.63M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-441.22M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-355.92M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-425.95M	USD	Annual
Borrowings under securitization facility	`ProceedsFromAccountsReceivableSecuritization`	$6.50M	USD	Annual
Borrowings under securitization facility	`ProceedsFromAccountsReceivableSecuritization`	$100.00M	USD	Annual
Payments under securitization facility	`RepaymentsOfAccountsReceivableSecuritization`	$23.40M	USD	Annual
Payments on term loans	`RepaymentsOfOtherLongTermDebt`	$18.75M	USD	Annual
Payments on term loans	`RepaymentsOfOtherLongTermDebt`	$108.50M	USD	Annual
Borrowings under revolving credit facilities	`ProceedsFromLongTermLinesOfCredit`	$341.80M	USD	Annual
Borrowings under revolving credit facilities	`ProceedsFromLongTermLinesOfCredit`	$543.00M	USD	Annual
Borrowings under revolving credit facilities	`ProceedsFromLongTermLinesOfCredit`	$386.00M	USD	Annual
Payments under revolving credit facilities	`RepaymentsOfLongTermLinesOfCredit`	$308.00M	USD	Annual
Payments under revolving credit facilities	`RepaymentsOfLongTermLinesOfCredit`	$291.00M	USD	Annual
Payments under revolving credit facilities	`RepaymentsOfLongTermLinesOfCredit`	$451.80M	USD	Annual
Payments on long-term debt	`RepaymentsOfSeniorDebt`	$205.00M	USD	Annual
Payments on long-term debt	`RepaymentsOfSeniorDebt`	$18.00M	USD	Annual
Payments on long-term debt	`RepaymentsOfSeniorDebt`	$18.00M	USD	Annual
Proceeds on capital lease transaction	`SaleLeasebackTransactionNetProceedsFinancingActivities`	$100.00M	USD	Annual
Payments on capital lease obligations	`RepaymentsOfLongTermCapitalLeaseObligations`	$4.31M	USD	Annual
Payments on capital lease obligations	`RepaymentsOfLongTermCapitalLeaseObligations`	$1.19M	USD	Annual
Payments on capital lease obligations	`RepaymentsOfLongTermCapitalLeaseObligations`	$1.49M	USD	Annual
Payment of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$263.00K	USD	Annual
Contributions to consolidated company from affiliate noncontrolling interest	`ProceedsFromMinorityShareholders`	$481.00K	USD	Annual
Contributions to consolidated company from affiliate noncontrolling interest	`ProceedsFromMinorityShareholders`	$2.15M	USD	Annual
Net settlement of employee withholding taxes on vesting of Long-Term Incentive Plan	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.99M	USD	Annual
Net settlement of employee withholding taxes on vesting of Long-Term Incentive Plan	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.02M	USD	Annual
Net settlement of employee withholding taxes on vesting of Long-Term Incentive Plan	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.72M	USD	Annual
Cash contributions by General Partners	`ProceedsFromPartnershipContribution`	$1.61M	USD	Annual
Cash contributions by General Partners	`ProceedsFromPartnershipContribution`	$2.31M	USD	Annual
Cash contributions by General Partners	`ProceedsFromPartnershipContribution`	$1.59M	USD	Annual
Distributions paid to Partners	`PaymentsOfDistributionsToAffiliates`	$346.80M	USD	Annual
Distributions paid to Partners	`PaymentsOfDistributionsToAffiliates`	$288.44M	USD	Annual
Distributions paid to Partners	`PaymentsOfDistributionsToAffiliates`	$317.63M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.11M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-351.60M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-367.03M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-213.33M	USD	Annual
NET CHANGE IN CASH AND CASH EQUIVALENTS	`NetCashProvidedByUsedInContinuingOperations`	$-69.05M	USD	Annual
NET CHANGE IN CASH AND CASH EQUIVALENTS	`NetCashProvidedByUsedInContinuingOperations`	$8.83M	USD	Annual
NET CHANGE IN CASH AND CASH EQUIVALENTS	`NetCashProvidedByUsedInContinuingOperations`	$65.37M	USD	Annual
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$93.65M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$28.28M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$33.43M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$24.60M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$93.65M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$28.28M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$33.43M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$24.60M	USD	Point-in-time

Stockholders Equity 38 line items

Line Item	Tag	Value	Unit	Period
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$989.36M	USD	Point-in-time
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$851.24M	USD	Point-in-time
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$705.45M	USD	Point-in-time
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$1.02B	USD	Point-in-time
Balance (in units)	`LimitedPartnersCapitalAccountUnitsOutstanding`	74.06M	shares	Point-in-time
Balance (in units)	`LimitedPartnersCapitalAccountUnitsOutstanding`	74.19M	shares	Point-in-time
Net income (loss)	`ProfitLoss`	$306.17M	USD	Annual
Net income (loss)	`ProfitLoss`	$393.49M	USD	Annual
Net income (loss)	`ProfitLoss`	$497.21M	USD	Annual
Actuarially determined long-term liability adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-32.55M	USD	Annual
Actuarially determined long-term liability adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$26.13M	USD	Annual
Actuarially determined long-term liability adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.29M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$307.46M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$426.04M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$471.08M	USD	Annual
Issuance of units to Long-Term Incentive Plan participants upon vesting	`VestingOfLongTermIncentivePlan`	$2.99M	USD	Annual
Issuance of units to Long-Term Incentive Plan participants upon vesting	`VestingOfLongTermIncentivePlan`	$2.72M	USD	Annual
Issuance of units to Long-Term Incentive Plan participants upon vesting	`VestingOfLongTermIncentivePlan`	$3.02M	USD	Annual
Common unit-based compensation	`PartnersCapitalAccountUnitBasedCompensation`	$12.63M	USD	Annual
Common unit-based compensation	`PartnersCapitalAccountUnitBasedCompensation`	$8.90M	USD	Annual
Common unit-based compensation	`PartnersCapitalAccountUnitBasedCompensation`	$11.25M	USD	Annual
Distributions on common unit-based compensation	`DistributionsOnCommonUnitBasedCompensation`	$2.18M	USD	Annual
Distributions on common unit-based compensation	`DistributionsOnCommonUnitBasedCompensation`	$1.69M	USD	Annual
Distributions on common unit-based compensation	`DistributionsOnCommonUnitBasedCompensation`	$2.63M	USD	Annual
General Partners contributions (Note 13)	`PartnersCapitalAccountContributions`	$2.31M	USD	Annual
General Partners contributions (Note 13)	`PartnersCapitalAccountContributions`	$1.61M	USD	Annual
General Partners contributions (Note 13)	`PartnersCapitalAccountContributions`	$1.59M	USD	Annual
Contributions to consolidated company from affiliate noncontrolling interest (Note 11)	`EquityContributionsReceivedByNoncontrollingInterests`	$481.00K	USD	Annual
Contributions to consolidated company from affiliate noncontrolling interest (Note 11)	`EquityContributionsReceivedByNoncontrollingInterests`	$2.15M	USD	Annual
Distributions to Partners	`PartnersCapitalAccountDistributionsToPartners`	$315.44M	USD	Annual
Distributions to Partners	`PartnersCapitalAccountDistributionsToPartners`	$286.75M	USD	Annual
Distributions to Partners	`PartnersCapitalAccountDistributionsToPartners`	$344.17M	USD	Annual
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$989.36M	USD	Point-in-time
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$851.24M	USD	Point-in-time
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$705.45M	USD	Point-in-time
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$1.02B	USD	Point-in-time
Balance (in units)	`LimitedPartnersCapitalAccountUnitsOutstanding`	74.06M	shares	Point-in-time
Balance (in units)	`LimitedPartnersCapitalAccountUnitsOutstanding`	74.19M	shares	Point-in-time

Comprehensive Income 14 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$306.17M	USD	Annual
Net income	`ProfitLoss`	$393.49M	USD	Annual
Net income	`ProfitLoss`	$497.21M	USD	Annual
Total recognized in accumulated other comprehensive income/(loss)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-32.55M	USD	Annual
Total recognized in accumulated other comprehensive income/(loss)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$26.13M	USD	Annual
Total recognized in accumulated other comprehensive income/(loss)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.29M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$307.46M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$426.04M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$471.08M	USD	Annual
Less: Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-16.00K	USD	Annual
Less: Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-27.00K	USD	Annual
COMPREHENSIVE INCOME ATTRIBUTABLE TO ARLP	`ComprehensiveIncomeNetOfTax`	$307.49M	USD	Annual
COMPREHENSIVE INCOME ATTRIBUTABLE TO ARLP	`ComprehensiveIncomeNetOfTax`	$426.04M	USD	Annual
COMPREHENSIVE INCOME ATTRIBUTABLE TO ARLP	`ComprehensiveIncomeNetOfTax`	$471.10M	USD	Annual

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