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Organization and Description of Business	12 Months Ended
Organization and Description of Business	Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Description of Business	ORGANIZATION AND DESCRIPTION OF BUSINESS Martin Midstream Partners L.P. (the "Partnership") is a publicly traded limited partnership with a diverse set of operations focused primarily in the United States ("U.S.") Gulf Coast region. Its four primary business lines include: terminalling, processing, storage and packaging services for petroleum products and by-products including the refining of naphthenic crude oil; land and marine transportation services for petroleum products and by-products, chemicals, and specialty products; sulfur and sulfur-based products processing, manufacturing, marketing and distribution; and NGL marketing, distribution, and transportation services. The Partnership provide specialty services to major and independent oil and gas companies, independent refiners, large chemical companies, and other wholesale purchasers of certain petroleum products and by-products, with significant business concentrated around the U.S. Gulf Coast refinery complex, which is a major hub for petroleum refining, natural gas gathering and processing, and support services for the exploration and production industry. The petroleum products and by-products the Partnership gathers, transports, stores and markets are produced primarily by major and independent oil and gas companies who often rely on third parties, such as the Partnership, for the transportation and disposition of these products. On August 30, 2013, Martin Resource Management Corporation completed the sale of a 49% non-controlling voting interest (50% economic interest) in MMGP Holdings, LLC ("Holdings"), a newly-formed sole member of Martin Midstream GP LLC ("MMGP"), the general partner of the Partnership, to certain affiliated investment funds managed by Alinda Capital Partners ("Alinda"). Upon closing the transaction, Alinda appointed two representatives to serve on the board of directors of the general partner of the Partnership.