Stock, Unit and Debt Repurchase	12 Months Ended
Dec. 31, 2018
Equity [Abstract]
Stock, Unit and Debt Repurchase	STOCK, UNIT AND DEBT REPURCHASE: 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, in an aggregate amount of up to $50 million through the period ending June 30, 2019. The program was subsequently amended by CONSOL Energy’s Board of Directors in July 2018 to allow up to $100 million of repurchases of the Company’s common stock or its 11.00% Senior Secured Second Lien Notes due 2025, subject to certain limitations in the Company’s current credit agreement and the TMA. The Company’s Board of Directors also authorized the Company to use up to $25 million of the program to purchase CONSOL Coal Resources LP’s outstanding common units in the open market. 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, notes or units 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, notes or units, 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 year ended December 31, 2018, 708,245 shares of the Company's common stock were repurchased and retired at an average price of $36.48 per share, and 167,958 of the Partnership's common units were purchased at an average price of $18.33 per unit. Additionally, the Company repurchased approximately $25,724 of its Senior Secured Second Lien Notes. No shares or notes were repurchased, and no units were purchased, under this program during the year ended December 31, 2017.

STOCK, UNIT AND DEBT REPURCHASE:

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, in an aggregate amount of up to $50 million through the period ending June 30, 2019. The program was subsequently amended by CONSOL Energy’s Board of Directors in July 2018 to allow up to $100 million of repurchases of the Company’s common stock or its 11.00% Senior Secured Second Lien Notes due 2025, subject to certain limitations in the Company’s current credit agreement and the TMA. The Company’s Board of Directors also authorized the Company to use up to $25 million of the program to purchase CONSOL Coal Resources LP’s outstanding common units in the open market.

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, notes or units 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, notes or units, 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 year ended December 31, 2018, 708,245 shares of the Company's common stock were repurchased and retired at an average price of $36.48 per share, and 167,958 of the Partnership's common units were purchased at an average price of $18.33 per unit. Additionally, the Company repurchased approximately $25,724 of its Senior Secured Second Lien Notes. No shares or notes were repurchased, and no units were purchased, under this program during the year ended December 31, 2017.