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Cover
May 06, 2020
Schedule of Capitalization, Equity [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date May 06, 2020
Entity File Number 001-14901
Entity Registrant Name CNX Resources Corp
Entity Central Index Key 0001070412
Entity Tax Identification Number 51-0337383
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One CNX Center
Entity Address, Address Line Two 1000 CONSOL Energy Drive Suite 400
Entity Address, City or Town Canonsburg
Entity Address, State or Province PA
Entity Address, Postal Zip Code 15317
City Area Code (724)
Local Phone Number 485-4000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Information, Former Legal or Registered Name Not applicable
Common Stock ($.01 par value)  
Schedule of Capitalization, Equity [Line Items]  
Title of 12(b) Security Common Stock ($.01 par value)
Trading Symbol CNX
Security Exchange Name NYSE
Preferred Share Purchase Rights  
Schedule of Capitalization, Equity [Line Items]  
Title of 12(b) Security Preferred Share Purchase Rights
Trading Symbol —
Security Exchange Name NYSE