| Document and Entity Information | Nov. 08, 2023 |
| Document and Entity Information [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Nov. 08, 2023 |
| Entity File Number | 001-32583 |
| Entity Registrant Name | FULL HOUSE RESORTS, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 13-3391527 |
| Entity Address, Address Line One | One Summerlin |
| Entity Address, Adress Line Two | 1980 Festival Plaza Drive, Suite 680 |
| Entity Address, City or Town | Las Vegas |
| Entity Address, State or Province | NV |
| Entity Address, Postal Zip Code | 89135 |
| City Area Code | 702 |
| Local Phone Number | 221-7800 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, $0.0001 par value per share |
| Trading Symbol | FLL |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000891482 |
| Amendment Flag | false |
