Basis of Presentation and Organization	6 Months Ended
Jun. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation and Organization	1. BASIS OF PRESENTATION AND ORGANIZATION *Basis of Presentation and Principles of Consolidation.* The accompanying unaudited interim financial statements include the accounts of Rhino Resource Partners LP and its subsidiaries (the “Partnership”). Intercompany transactions and balances have been eliminated in consolidation. *Cash, Cash Equivalents and Restricted Cash.* The Partnership considers all highly liquid investments purchased with original maturities of three months or less to be cash equivalents. The Partnership early adopted ASU No. 2016-18, Statement of Cash Flows-Restricted Cash as of December 31, 2017 and as such its unaudited condensed consolidated statement of cash flows for all historical periods reflect restricted cash combined with cash and cash equivalents. The Partnership did not have any other material impact from the early adoption of this ASU. *Unaudited Interim Financial Information.* The accompanying unaudited interim financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information. The condensed consolidated statement of financial position as of June 30, 2018, condensed consolidated statements of operations and comprehensive income for the three and six months ended June 30, 2018 and 2017 and the condensed consolidated statements of cash flows for the six months ended June 30, 2018 and 2017 include all adjustments that the Partnership considers necessary for a fair presentation of the financial position, operating results and cash flows for the periods presented. The condensed consolidated statement of financial position as of December 31, 2017 was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States of America (“U.S.”). The Partnership filed its Annual Report on Form 10-K for the year ended December 31, 2017 with the Securities and Exchange Commission (“SEC”), which included all information and notes necessary for such presentation. The results of operations for the interim periods are not necessarily indicative of the results to be expected for the year or any future period. These unaudited interim financial statements should be read in conjunction with the audited financial statements included in the Partnership’s Annual Report on Form 10-K for the year ended December 31, 2017 filed with the SEC. *Reclassifications.* Certain prior year amounts have been reclassified to discontinued operations on the unaudited condensed consolidated statements of operations and comprehensive income related to the disposal of Sands Hill Mining LLC in 2017. See Note 3, “Discontinued Operations” for further information on the disposal. *Organization.* Rhino Resource Partners LP is a Delaware limited partnership formed on April 19, 2010 to acquire Rhino Energy LLC (the “Operating Company”). The Operating Company and its wholly owned subsidiaries produce and market coal from surface and underground mines in Kentucky, Ohio, West Virginia and Utah. The majority of sales are made to electric utilities, coal brokers, domestic and non-U.S. steel producers and other coal-related organizations in the United States. In addition, the Partnership has increased its sales focus to U.S. export customers through brokers and direct end-user relationships. Through a series of transactions completed in the first quarter of 2016, Royal Energy Resources, Inc. (“Royal”) acquired a majority ownership and control of the Partnership and 100% ownership of the Partnership’s general partner. The Partnership’s common units trade on the OTCQB Marketplace under the ticker symbol “RHNO.”

Basis of Presentation and Organization

6 Months Ended

Jun. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

1. BASIS OF PRESENTATION AND ORGANIZATION

Basis of Presentation and Principles of Consolidation. The accompanying unaudited interim financial statements include the accounts of Rhino Resource Partners LP and its subsidiaries (the “Partnership”). Intercompany transactions and balances have been eliminated in consolidation.

Cash, Cash Equivalents and Restricted Cash. The Partnership considers all highly liquid investments purchased with original maturities of three months or less to be cash equivalents. The Partnership early adopted ASU No. 2016-18, Statement of Cash Flows-Restricted Cash as of December 31, 2017 and as such its unaudited condensed consolidated statement of cash flows for all historical periods reflect restricted cash combined with cash and cash equivalents. The Partnership did not have any other material impact from the early adoption of this ASU.

Unaudited Interim Financial Information. The accompanying unaudited interim financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information. The condensed consolidated statement of financial position as of June 30, 2018, condensed consolidated statements of operations and comprehensive income for the three and six months ended June 30, 2018 and 2017 and the condensed consolidated statements of cash flows for the six months ended June 30, 2018 and 2017 include all adjustments that the Partnership considers necessary for a fair presentation of the financial position, operating results and cash flows for the periods presented. The condensed consolidated statement of financial position as of December 31, 2017 was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States of America (“U.S.”). The Partnership filed its Annual Report on Form 10-K for the year ended December 31, 2017 with the Securities and Exchange Commission (“SEC”), which included all information and notes necessary for such presentation. The results of operations for the interim periods are not necessarily indicative of the results to be expected for the year or any future period. These unaudited interim financial statements should be read in conjunction with the audited financial statements included in the Partnership’s Annual Report on Form 10-K for the year ended December 31, 2017 filed with the SEC.

Reclassifications. Certain prior year amounts have been reclassified to discontinued operations on the unaudited condensed consolidated statements of operations and comprehensive income related to the disposal of Sands Hill Mining LLC in 2017. See Note 3, “Discontinued Operations” for further information on the disposal.

Organization. Rhino Resource Partners LP is a Delaware limited partnership formed on April 19, 2010 to acquire Rhino Energy LLC (the “Operating Company”). The Operating Company and its wholly owned subsidiaries produce and market coal from surface and underground mines in Kentucky, Ohio, West Virginia and Utah. The majority of sales are made to electric utilities, coal brokers, domestic and non-U.S. steel producers and other coal-related organizations in the United States. In addition, the Partnership has increased its sales focus to U.S. export customers through brokers and direct end-user relationships.

Through a series of transactions completed in the first quarter of 2016, Royal Energy Resources, Inc. (“Royal”) acquired a majority ownership and control of the Partnership and 100% ownership of the Partnership’s general partner. The Partnership’s common units trade on the OTCQB Marketplace under the ticker symbol “RHNO.”