00100 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 00200 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF INCOME link:presentationLink link:calculationLink link:definitionLink 00201 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Calc 2) link:presentationLink link:calculationLink link:definitionLink 00300 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:presentationLink link:calculationLink link:definitionLink 00400 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 40301 - Disclosure - ACQUISITIONS - Consideration (Details) link:presentationLink link:calculationLink link:definitionLink 40302 - Disclosure - ACQUISITIONS - Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 40501 - Disclosure - INVENTORIES (Details) link:presentationLink link:calculationLink link:definitionLink 40601 - Disclosure - LEASES - Lease expense (Details) link:presentationLink link:calculationLink link:definitionLink 40605 - Disclosure - LEASES – Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 40615 - Disclosure - LEASES – Maturities (Calc2) (Details) link:presentationLink link:calculationLink link:definitionLink 40701 - Disclosure - FAIR VALUE MEASUREMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 40801 - Disclosure - LONG-TERM DEBT - Components (Details) link:presentationLink link:calculationLink link:definitionLink 41301 - Disclosure - NET INCOME OF ARLP PER LIMITED PARTNER UNIT - Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 41601 - Disclosure - COMPONENTS OF PENSION PLAN NET PERIODIC BENEFIT COSTS (Details) link:presentationLink link:calculationLink link:definitionLink 41703 - Disclosure - SEGMENT INFORMATION - EBITDA Expense Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 41704 - Disclosure - SEGMENT INFORMATION - EBITDA Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 00090 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 00105 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00205 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 30303 - Disclosure - ACQUISITION (Tables) link:presentationLink link:calculationLink link:definitionLink 31003 - Disclosure - INVESTMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 31303 - Disclosure - NET INCOME OF ARLP PER LIMITED PARTNER UNIT (Tables) link:presentationLink link:calculationLink link:definitionLink 31403 - Disclosure - WORKERS' COMPENSATION AND PNEUMOCONIOSIS (Tables) link:presentationLink link:calculationLink link:definitionLink 31503 - Disclosure - COMPENSATION PLANS (Tables) link:presentationLink link:calculationLink link:definitionLink 31603 - Disclosure - COMPONENTS OF PENSION PLAN NET PERIODIC BENEFIT COSTS (Tables) link:presentationLink link:calculationLink link:definitionLink 40101 - Disclosure - ORGANIZATION AND PRESENTATION (Details) link:presentationLink link:calculationLink link:definitionLink 40102 - Disclosure - ORGANIZATION AND PRESENTATION - Leases (Details) link:presentationLink link:calculationLink link:definitionLink 40201 - Disclosure - NEW ACCOUNTING STANDARDS (Details) link:presentationLink link:calculationLink link:definitionLink 40303 - Disclosure - ACQUISITIONS - Pro Forma (Details) link:presentationLink link:calculationLink link:definitionLink 40603 - Disclosure - LEASES – Balance Sheet (Details) link:presentationLink link:calculationLink link:definitionLink 40802 - Disclosure - LONG-TERM DEBT - Credit Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 40803 - Disclosure - LONG-TERM DEBT - 2025 Senior Notes (Details) link:presentationLink link:calculationLink link:definitionLink 40804 - Disclosure - LONG-TERM DEBT - Securitization Facility (Details) link:presentationLink link:calculationLink link:definitionLink 40805 - Disclosure - LONG-TERM DEBT - Cavalier (Details) link:presentationLink link:calculationLink link:definitionLink 40901 - Disclosure - VARIABLE INTEREST ENTITIES - Cavalier (Details) link:presentationLink link:calculationLink link:definitionLink 40902 - Disclosure - VARIABLE INTEREST ENTITIES - All Dale I and II (Details) link:presentationLink link:calculationLink link:definitionLink 40903 - Disclosure - VARIABLE INTEREST ENTITIES - All Dale III (Detail) link:presentationLink link:calculationLink link:definitionLink 40904 - Disclosure - VARIABLE INTEREST ENTITIES - WKY CoalPlay (Details) link:presentationLink link:calculationLink link:definitionLink 41001 - Disclosure - INVESTMENTS - AllDale (Details) link:presentationLink link:calculationLink link:definitionLink 41002 - Disclosure - INVESTMENTS - Kodiak (Details) link:presentationLink link:calculationLink link:definitionLink 41101 - Disclosure - PARTNERS' CAPITAL - Distributions (Details) link:presentationLink link:calculationLink link:definitionLink 41102 - Disclosure - PARTNERS' CAPITAL - Repurchase (Details) link:presentationLink link:calculationLink link:definitionLink 41103 - Disclosure - PARTNERS' CAPITAL - Change (Details) link:presentationLink link:calculationLink link:definitionLink 41201 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS - Disaggregation of revenues (Details) link:presentationLink link:calculationLink link:definitionLink 41202 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS - Coal supply contracts (Details) link:presentationLink link:calculationLink link:definitionLink 41202 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS - Coal supply contracts Default (Details) link:presentationLink link:calculationLink link:definitionLink 41402 - Disclosure - WORKERS' COMPENSATION AND PNEUMOCONIOSIS - Periodic Benefit Cost (Details) link:presentationLink link:calculationLink link:definitionLink 41501 - Disclosure - COMPENSATION PLANS - LTIP Grants Activity (Details) link:presentationLink link:calculationLink link:definitionLink 41502 - Disclosure - COMPENSATION PLANS - LTIP Other Information (Details) link:presentationLink link:calculationLink link:definitionLink 41503 - Disclosure - COMPENSATION PLANS - SERP and Directors Compensation Activity (Details) link:presentationLink link:calculationLink link:definitionLink 41702 - Disclosure - SEGMENT INFORMATION - Segment Results (Details) link:presentationLink link:calculationLink link:definitionLink 10101 - Disclosure - ORGANIZATION AND PRESENTATION link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - NEW ACCOUNTING STANDARDS link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - ACQUISITION link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - INVENTORIES link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - LONG-TERM DEBT link:presentationLink link:calculationLink link:definitionLink 10901 - Disclosure - VARIABLE INTEREST ENTITIES link:presentationLink link:calculationLink link:definitionLink 11001 - Disclosure - INVESTMENTS link:presentationLink link:calculationLink link:definitionLink 11101 - Disclosure - PARTNERS' CAPITAL link:presentationLink link:calculationLink link:definitionLink 11201 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS link:presentationLink link:calculationLink link:definitionLink 11301 - Disclosure - NET INCOME OF ARLP PER LIMITED PARTNER UNIT link:presentationLink link:calculationLink link:definitionLink 11401 - Disclosure - WORKERS' COMPENSATION AND PNEUMOCONIOSIS link:presentationLink link:calculationLink link:definitionLink 11501 - Disclosure - COMPENSATION PLANS link:presentationLink link:calculationLink link:definitionLink 11601 - Disclosure - COMPONENTS OF PENSION PLAN NET PERIODIC BENEFIT COSTS link:presentationLink link:calculationLink link:definitionLink 11701 - Disclosure - SEGMENT INFORMATION link:presentationLink link:calculationLink link:definitionLink 11801 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 20102 - Disclosure - ORGANIZATION AND PRESENTATION (Policies) link:presentationLink link:calculationLink link:definitionLink 30503 - Disclosure - INVENTORIES (Tables) link:presentationLink link:calculationLink link:definitionLink 30603 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 30703 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 30803 - Disclosure - LONG-TERM DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 30903 - Disclosure - VARIABLE INTEREST ENTITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 31103 - Disclosure - PARTNERS' CAPITAL (Tables) link:presentationLink link:calculationLink link:definitionLink 31203 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables) link:presentationLink link:calculationLink link:definitionLink 31703 - Disclosure - SEGMENT INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 40602 - Disclosure - LEASES - Cash flow (Details) link:presentationLink link:calculationLink link:definitionLink 40604 - Disclosure - LEASES – Weighted Average (Details) link:presentationLink link:calculationLink link:definitionLink 41401 - Disclosure - WORKERS' COMPENSATION AND PNEUMOCONIOSIS - Workers' Compensation Liability (Detail) link:presentationLink link:calculationLink link:definitionLink 41701 - Disclosure - SEGMENT INFORMATION - General (Details) link:presentationLink link:calculationLink link:definitionLink