Debt (Details Narrative) - USD ($) $ in Thousands		3 Months Ended
Debt (Details Narrative) - USD ($) $ in Thousands	Mar. 03, 2020	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2019	Dec. 27, 2017
Line of Credit Facility [Line Items]
Debt covenant description		The financing agreement contains negative covenants that restrict the Partnership's ability to, among other things, permit the trailing nine month fixed charge coverage ratio of the Partnership and its subsidiaries to be less than 1.20 to 1.00. The financing agreement also requires the Partnership to receive an annual unqualified audit opinion from its external audit firm that does not include an emphasis paragraph on the Partnership's ability to continue as a going concern. As of December 31, 2019, Rhino's fixed charge coverage ratio was less than 1.20 to 1.00 and the Partnership's annual report on Form 10-K included an audit opinion from its external auditors that included an emphasis paragraph regarding the Partnership's ability to continue as a going concern.
Sixth Amendment [Member]
Line of Credit Facility [Line Items]
Exit fee percentage	1.00%
Debt instrument description	The Sixth Amendment, among other things, provided a consent by the Origination Agent to a $3.0 million term loan under the Delayed Draw Term Loan
Sixth Amendment [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Exit fee percentage	8.00%
Financing Agreement [Member]
Line of Credit Facility [Line Items]
Other debt		$ 2,000			$ 3,100
Debt covenant description		Fixed Charge Coverage Ratio of the Partnership and its subsidiaries to be less than 1.20 to 1.00
Exit fee percentage			7.00%	3.00%
Financing Agreement [Member] \| Effective Date Term Loan Commitment [Member]
Line of Credit Facility [Line Items]
Debt instrument principal amount						$ 40,000
Financing Agreement [Member] \| Delayed Draw Term Loan Commitment [Member]
Line of Credit Facility [Line Items]
Debt instrument principal amount						40,000
Debt instrument interest rate		1.50%
Loan payable on quarterly basis		$ 375
Exit fee percentage, description		The Exit Fee is applied to the principal amount of the loans made under the Financing Agreement that is payable on the earliest of (i) the final maturity date of the Financing Agreement, (ii) the termination date of the Financing Agreement, (iii) the acceleration of the obligations under the Financing Agreement for any reason, including, without limitation, acceleration in accordance with Section 9.01 of the Financing Agreement, including as a result of the commencement of an insolvency proceeding and (iv) the date of any refinancing of the term loan under the Financing Agreement, (b) modified certain definitions and concepts to account for the Partnership's 2019 acquisition of properties from Blackjewel, (c) permitted the 2019 disposition of the Pennyrile mining complex, (d) required the Partnership to pay a $1.0 million consent fee related to the Pennyrile sale (paid March 2020), (e) allowed the Partnership to sell certain real property in Western Colorado and adjusted the timing for remittance to the Lender of the proceeds from the sales, (f) provided $15.0 million in additional terms loans under the Delayed Draw Term Loan Commitment feature of the Financing Agreement, (g) revised the definition of the Make-Whole Amount under the Financing Agreement to extend the date of the Make-Whole Amount period to December 31, 2021 and (h) extended the termination date of the Financing Agreement to December 27, 2022.
Consent fee		$ 1,000
Loan payable		15,000
Financing Agreement [Member] \| Cortland Capital Market Services LLC [Member]
Line of Credit Facility [Line Items]
Debt instrument principal amount		40,000				$ 80,000
Debt instrument utilized amount		18,000
Debt instrument additional commitment remaining		$ 22,000

Rhino Resource Partners LP 10-Q