Note 18 - Stock and Debt Repurchases	3 Months Ended
Mar. 31, 2021
Notes to Financial Statements
Stockholders' Equity Note Disclosure [Text Block]	*NOTE 18—STOCK* AND DEBT REPURCHASES:** In December 2017, CONSOL Energy’s Board of Directors approved a program to repurchase, from time to time, the Company's outstanding shares of common stock or its 11.00% Senior Secured Second Lien Notes due 2025. Since its inception, the Company's Board of Directors has subsequently amended the program several times, the most recent of which approved a $270 million stock and debt repurchase program, which terminates on June 30, 2022. Under the terms of the program, CONSOL Energy is permitted to make repurchases in the open market, in privately negotiated transactions, accelerated repurchase programs or in structured share repurchase programs. CONSOL Energy is also authorized to enter into one or more 10b5-1 plans with respect to any of the repurchases. Any repurchases of common stock or notes are to be funded from available cash on hand or short-term borrowings. The program does not obligate CONSOL Energy to acquire any particular amount of its common stock or notes, and can be modified or suspended at any time at the Company’s discretion. The program is conducted in compliance with applicable legal requirements and within the limits imposed by any credit agreement, receivables purchase agreement, indenture, or the TMA, and is subject to market conditions and other factors. During the three months ended March 31, 2021 and 2020, the Company spent $9,338 to retire $10,190 and spent $25,480 to retire $43,176 of its 11.00% Senior Secured Second Lien Notes due 2025, respectively. No common shares were repurchased under this program during the three months ended March 31, 2021 and 2020.

Note 18 - Stock and Debt Repurchases

3 Months Ended

Mar. 31, 2021

Stockholders' Equity Note Disclosure [Text Block]

NOTE 18—STOCK AND DEBT REPURCHASES:

In December 2017, CONSOL Energy’s Board of Directors approved a program to repurchase, from time to time, the Company's outstanding shares of common stock or its 11.00% Senior Secured Second Lien Notes due 2025. Since its inception, the Company's Board of Directors has subsequently amended the program several times, the most recent of which approved a $270 million stock and debt repurchase program, which terminates on June 30, 2022.

Under the terms of the program, CONSOL Energy is permitted to make repurchases in the open market, in privately negotiated transactions, accelerated repurchase programs or in structured share repurchase programs. CONSOL Energy is also authorized to enter into one or more 10b5-1 plans with respect to any of the repurchases. Any repurchases of common stock or notes are to be funded from available cash on hand or short-term borrowings. The program does not obligate CONSOL Energy to acquire any particular amount of its common stock or notes, and can be modified or suspended at any time at the Company’s discretion. The program is conducted in compliance with applicable legal requirements and within the limits imposed by any credit agreement, receivables purchase agreement, indenture, or the TMA, and is subject to market conditions and other factors.

During the three months ended March 31, 2021 and 2020, the Company spent $9,338 to retire $10,190 and spent $25,480 to retire $43,176 of its 11.00% Senior Secured Second Lien Notes due 2025, respectively. No common shares were repurchased under this program during the three months ended March 31, 2021 and 2020.