Business and Basis of Presentation	9 Months Ended
Sep. 30, 2017
Accounting Policies [Abstract]
Business and Basis of Presentation	Business and Basis of Presentation Description of Business OCI Partners LP (the “Partnership,” “OCIP,” “we,” “us,” or “our”) is a Delaware limited partnership formed on February 7, 2013 whose focus is on the production, marketing and distribution of methanol and anhydrous ammonia. Our production facility is strategically located on the U.S. Gulf Coast near Beaumont, Texas and commenced full operations during August 2012. Our facility has pipeline connections to adjacent customers, port access with dedicated methanol and ammonia import/export jetties, allowing us to ship both products along the Gulf Coast, and truck loading facilities for both methanol and ammonia. We are currently one of the larger merchant methanol producers in the United States with an annual methanol production design capacity of approximately 912,500 metric tons and an annual ammonia production design capacity of approximately 331,000 metric tons. OCI Beaumont LLC (“OCIB”) is a Texas limited liability company formed on December 10, 2010 as the acquisition vehicle to purchase the manufacturing facility and related assets offered for sale by Eastman Chemical Company on May 5, 2011 for $26,500. OCI N.V. (“OCI”), a Dutch public limited liability company, which is the ultimate parent for a group of related entities, through its subsidiaries, is a global producer of natural gas-based fertilizers and chemicals. OCI is listed on the Euronext Amsterdam and trades under the symbol “OCI.” Termination of Negotiations on Proposed Transaction On April 14, 2017, OCI terminated negotiations with the conflicts committee of the board of directors of our general partner regarding OCI's previously announced offer to acquire all publicly held common units of the Partnership in exchange for OCI shares, at an exchange ratio of 0.5200 OCI shares for each common unit. OCI currently owns 80% of the issued and outstanding common units of the Partnership. After negotiations with the conflicts committee reached an impasse, OCI informed representatives of the conflicts committee that no acceptable definitive agreement could be reached. Basis of Presentation The accompanying unaudited condensed consolidated financial statements of the Partnership have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and in compliance with the instructions to Form 10-Q and Article 10 of Regulation S-X, neither of which requires all of the information and footnotes required by GAAP. Certain information and footnote disclosures normally included in annual consolidated financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to the rules and regulations of the SEC, and accordingly, the accompanying unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Partnership’s Form 10-K for the year ended December 31, 2016 filed with the SEC on March 13, 2017. In the opinion of management, the unaudited condensed consolidated financial statements reflect all adjustments, consisting only of normal and recurring adjustments, considered necessary for a fair statement of the Partnership’s financial position as of September 30, 2017, and the consolidated results of operations and cash flows for the periods presented. The accompanying unaudited condensed consolidated financial statements include the accounts of the Partnership. All significant intercompany accounts and transactions have been eliminated in consolidation. Operating results for the three and nine-months ended September 30, 2017 are not necessarily indicative of the results that may be expected for the year ending December 31, 2017 or any other reporting period. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities as of the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Accuracy of estimates is based on accuracy of information used. Significant items subject to such estimates and assumptions include the useful lives of property, plant, and equipment, the valuation of property, plant, and equipment, and other contingencies.

Business and Basis of Presentation

Description of Business

OCI Partners LP (the “Partnership,” “OCIP,” “we,” “us,” or “our”) is a Delaware limited partnership formed on February 7, 2013 whose focus is on the production, marketing and distribution of methanol and anhydrous ammonia. Our production facility is strategically located on the U.S. Gulf Coast near Beaumont, Texas and commenced full operations during August 2012. Our facility has pipeline connections to adjacent customers, port access with dedicated methanol and ammonia import/export jetties, allowing us to ship both products along the Gulf Coast, and truck loading facilities for both methanol and ammonia.

We are currently one of the larger merchant methanol producers in the United States with an annual methanol production design capacity of approximately 912,500 metric tons and an annual ammonia production design capacity of approximately 331,000 metric tons.

OCI Beaumont LLC (“OCIB”) is a Texas limited liability company formed on December 10, 2010 as the acquisition vehicle to purchase the manufacturing facility and related assets offered for sale by Eastman Chemical Company on May 5, 2011 for $26,500. OCI N.V. (“OCI”), a Dutch public limited liability company, which is the ultimate parent for a group of related entities, through its subsidiaries, is a global producer of natural gas-based fertilizers and chemicals. OCI is listed on the Euronext Amsterdam and trades under the symbol “OCI.”

Termination of Negotiations on Proposed Transaction

On April 14, 2017, OCI terminated negotiations with the conflicts committee of the board of directors of our general partner regarding OCI's previously announced offer to acquire all publicly held common units of the Partnership in exchange for OCI shares, at an exchange ratio of 0.5200 OCI shares for each common unit. OCI currently owns 80% of the issued and outstanding common units of the Partnership. After negotiations with the conflicts committee reached an impasse, OCI informed representatives of the conflicts committee that no acceptable definitive agreement could be reached.

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements of the Partnership have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and in compliance with the instructions to Form 10-Q and Article 10 of Regulation S-X, neither of which requires all of the information and footnotes required by GAAP. Certain information and footnote disclosures normally included in annual consolidated financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to the rules and regulations of the SEC, and accordingly, the accompanying unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Partnership’s Form 10-K for the year ended December 31, 2016 filed with the SEC on March 13, 2017. In the opinion of management, the unaudited condensed consolidated financial statements reflect all adjustments, consisting only of normal and recurring adjustments, considered necessary for a fair statement of the Partnership’s financial position as of September 30, 2017, and the consolidated results of operations and cash flows for the periods presented. The accompanying unaudited condensed consolidated financial statements include the accounts of the Partnership. All significant intercompany accounts and transactions have been eliminated in consolidation. Operating results for the three and nine-months ended September 30, 2017 are not necessarily indicative of the results that may be expected for the year ending December 31, 2017 or any other reporting period.

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities as of the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Accuracy of estimates is based on accuracy of information used. Significant items subject to such estimates and assumptions include the useful lives of property, plant, and equipment, the valuation of property, plant, and equipment, and other contingencies.