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Disclosure - SEGMENT INFORMATION - Narrative (Details) link:calculationLink link:presentationLink link:definitionLink 100470 - Disclosure - SEGMENT INFORMATION - Concentration Risk (Details) link:calculationLink link:presentationLink link:definitionLink 100480 - Disclosure - SEGMENT INFORMATION - Adjusted EBITDA by Reportable Segment (Details) link:calculationLink link:presentationLink link:definitionLink 100490 - Disclosure - SEGMENT INFORMATION - Reconciliation of Net Income (Loss) to Adjusted EBITDA (Details) link:calculationLink link:presentationLink link:definitionLink 100500 - Disclosure - SEGMENT INFORMATION - Schedule of Adjustments Related to Minimum Volume Commitments Shortfall Payments (Details) link:calculationLink link:presentationLink link:definitionLink 100510 - Disclosure - PROPERTY, PLANT, AND EQUIPMENT, NET - Schedule of Property, Plant, and Equipment, Net (Details) link:calculationLink link:presentationLink link:definitionLink 100520 - Disclosure - PROPERTY, PLANT, AND EQUIPMENT, NET - 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GOODWILL - Narrative (Details) link:calculationLink link:presentationLink link:definitionLink 100590 - Disclosure - EQUITY METHOD INVESTMENTS - Narrative (Details) link:calculationLink link:presentationLink link:definitionLink 100600 - Disclosure - EQUITY METHOD INVESTMENTS - Rollforward of the Investment in Equity Method Investees (Details) link:calculationLink link:presentationLink link:definitionLink 100610 - Disclosure - EQUITY METHOD INVESTMENTS - Statements of Operations Information (Details) link:calculationLink link:presentationLink link:definitionLink 100620 - Disclosure - DEFERRED REVENUE - Rollforward of deferred revenue (Details) link:calculationLink link:presentationLink link:definitionLink 100630 - Disclosure - DEBT - Components of Long-Term Debt (Details) link:calculationLink link:presentationLink link:definitionLink 100640 - Disclosure - DEBT - Components of Long-Term Debt (Parenthetical) (Details) link:calculationLink link:presentationLink link:definitionLink 100650 - 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Disclosure - PARTNERS' CAPITAL - Narrative (Details) link:calculationLink link:presentationLink link:definitionLink 100730 - Disclosure - PARTNERS' CAPITAL - Incentive Distribution Rights (Details) link:calculationLink link:presentationLink link:definitionLink 100740 - Disclosure - PARTNERS' CAPITAL - Cash Distributions Paid and Declared (Details) link:calculationLink link:presentationLink link:definitionLink 100750 - Disclosure - EARNINGS PER UNIT (Details) link:calculationLink link:presentationLink link:definitionLink 100760 - Disclosure - UNIT-BASED AND NONCASH COMPENSATION - Narrative (Details) link:calculationLink link:presentationLink link:definitionLink 100770 - Disclosure - RELATED-PARTY TRANSACTIONS - Expenses Incurred by the General Partner and Reimbursed (Details) link:calculationLink link:presentationLink link:definitionLink 100780 - Disclosure - LEASES, COMMITMENTS AND CONTINGENCIES - Narrative (Details) link:calculationLink link:presentationLink link:definitionLink 100790 - Disclosure - LEASES, COMMITMENTS AND CONTINGENCIES - Schedule of Right of Use Assets and Lease Liabilities (Details) link:calculationLink link:presentationLink link:definitionLink 100800 - Disclosure - LEASES, COMMITMENTS AND CONTINGENCIES - Schedule of Lease Cost and Other Information (Details) link:calculationLink link:presentationLink link:definitionLink 100810 - Disclosure - LEASES, COMMITMENTS AND CONTINGENCIES - Rent Expense (Details) link:calculationLink link:presentationLink link:definitionLink 100820 - Disclosure - LEASES, COMMITMENTS AND CONTINGENCIES - Future Minimum Lease Payments Due and Future Minimum Rentals to be Received under Noncancelable Leases (Details) link:calculationLink link:presentationLink link:definitionLink 100830 - Disclosure - LEASES, COMMITMENTS AND CONTINGENCIES - Schedule of Future Minimum Rental Payments for Operating Leases (Details) link:calculationLink link:presentationLink link:definitionLink 100840 - Disclosure - LEASES, COMMITMENTS AND CONTINGENCIES - Schedule of Future Payments Due Under Finance Leases (Details) link:calculationLink link:presentationLink link:definitionLink 100850 - Disclosure - LEASES, COMMITMENTS AND CONTINGENCIES - Environmental Matters (Details) link:calculationLink link:presentationLink link:definitionLink 100860 - Disclosure - DISPOSITIONS, ACQUISITIONS AND DROP DOWN TRANSACTIONS - Tioga Midstream Disposition (Details) link:calculationLink link:presentationLink link:definitionLink 100870 - Disclosure - DISPOSITIONS, ACQUISITIONS AND DROP DOWN TRANSACTIONS - 2016 Drop Down (Details) link:calculationLink link:presentationLink link:definitionLink