Note 2 - Major Transactions (Details Textual) $ in Thousands			12 Months Ended
	Dec. 30, 2020 shares	Oct. 22, 2020 USD ($) shares	Dec. 31, 2021 USD ($) shares		Dec. 31, 2020 USD ($) shares		Dec. 31, 2019 USD ($) shares
Stock Issued During Period, Shares, Acquisitions (in shares) | shares	7,967,690		0	[1]	7,967,690	[1]	0	[1]
Business Combination, Acquisition Related Costs			$ 0		$ 9,822		$ 0
Settlement Transaction with Murray Energy [Member]
Other Receivables			4,867		4,867
Other Assets, Total			$ 19,790		22,055
Public Unitholders [Member] | CCR [Member]
Ownership, Oustanding Common Units, Percent		39.30%
CONSOL Coal Resources L P [Member] | CCR [Member]
Ownership, Oustanding Common Units, Percent		60.70%
CONSOL Coal Resources L P [Member]
Stock Issued During Period, Shares, Acquisitions (in shares) | shares		7,967,690
Business Combination, Consideration Transferred, Equity Interest Acquired, Shares (in shares) | shares		10,912,138
Business Combination, Consideration Transferred, Equity Interests, Shares, Exchange Ratio		0.73
Business Combination, Consideration Transferred, Total		$ 51,710
CONSOL Coal Resources L P [Member] | Selling, General and Administrative Expenses [Member]
Business Combination, Acquisition Related Costs					$ 9,822

[1] See Note 2 - Major Transactions for additional information.