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COVER - shares
 6 Months Ended
Jun. 30, 2023
Aug. 02, 2023
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2023  
Document Transition Report false  
Entity File Number 001-03262  
Entity Registrant Name COMSTOCK RESOURCES, INC.  
Entity Incorporation, State or Country Code NV  
Entity Tax Identification Number 94-1667468  
Entity Address, Address Line One 5300 Town and Country Blvd.  
Entity Address, Address Line Two Suite 500  
Entity Address, City or Town Frisco  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 75034  
City Area Code 972  
Local Phone Number 668-8800  
Title of 12(b) Security Common Stock, par value $0.50 (per share)  
Trading Symbol CRK  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   278,480,507
Amendment Flag false  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q2  
Entity Central Index Key 0000023194  
Current Fiscal Year End Date --12-31