| Cover | Feb. 01, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Feb. 01, 2023 |
| Entity Registrant Name | COMSTOCK RESOURCES, INC. |
| Entity Incorporation, State or Country Code | NV |
| Entity File Number | 001-03262 |
| Entity Tax Identification Number | 94-1667468 |
| Entity Address, Address Line One | 5300 Town and Country Boulevard |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.50 (per share) |
| Trading Symbol | CRK |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000023194 |
| Amendment Flag | false |
