SUBSEQUENT EVENTS (Details) - USD ($)				9 Months Ended
	Nov. 28, 2017	Oct. 26, 2017	Oct. 02, 2017	Sep. 30, 2017	Sep. 30, 2016
Subsequent Event [Line Items]
Distribution				$ 114,844,000	$ 139,481,000
Subsequent Event
Subsequent Event [Line Items]
Distribution	$ 425,000,000
Gross proceeds from borrowings	792,000,000
Subsequent Event | Revolving Credit Facility | Affiliated Entity
Subsequent Event [Line Items]
Aggregate principal amount	275,000,000
Intercompany loan	$ 201,000,000
Subsequent Event | Revolving Credit Facility | Line of Credit
Subsequent Event [Line Items]
Debt maturity term	4 years
Line of credit (up to)	$ 300,000,000
Line of credit amount outstanding	0
Subsequent Event | Accounts Receivable Securitization Facility | Line of Credit
Subsequent Event [Line Items]
Line of credit (up to)	100,000,000
Line of credit amount outstanding	0
Subsequent Event | Term Loan A Facility | Loans Payable
Subsequent Event [Line Items]
Debt instrument face amount	$ 100,000,000
Debt maturity term	4 years
Subsequent Event | Term Loan B Facility | Loans Payable
Subsequent Event [Line Items]
Debt instrument face amount	$ 400,000,000
Debt maturity term	5 years
Issuance discount (as a percent)	2.00%
Subsequent Event | Second Lien Secured Notes | Secured Debt
Subsequent Event [Line Items]
Debt instrument face amount	$ 300,000,000
Debt maturity term	8 years
Subsequent Event | CNX Thermal | Preferred Units
Subsequent Event [Line Items]
Conversion of preferred shares to common units (in shares)			(3,956,496)
Conversion basis			1
Preferred units outstanding (in shares)			0
Preferred dividend rate (as a percent)			11.00%
Subsequent Event | CNX Thermal | Common Units
Subsequent Event [Line Items]
Conversion of preferred shares to common units (in shares)			3,956,496
Subsequent Event | CONSOL Coal Resources LP
Subsequent Event [Line Items]
Cash distribution declared (per common unit)		$ 0.5125