Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.20.4
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Mar. 10, 2021
Jun. 30, 2020
Document and Entity Information [Abstract]      
Entity Registrant Name FULL HOUSE RESORTS INC    
Entity Central Index Key 0000891482    
Title of 12(b) Security Common Stock, $0.0001 per Share    
Trading Symbol FLL    
Security Exchange Name NASDAQ    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Voluntary Filers No    
Current Fiscal Year End Date --12-31    
Entity Filer Category Non-accelerated Filer    
Entity Well-Known Seasoned Issuer No    
Entity Emerging Growth Company false    
Entity Small Business true    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   27,124,292  
Entity Public Float     $ 33.4
Document Type 10-K    
Document Period End Date Dec. 31, 2020    
Amendment Flag false    
Document Fiscal Year End 2020    
Document Fiscal Period Focus FY