Full House Resorts, Inc. Annual report pursuant to Section 13 and 15(d)

BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)

BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)			1 Months Ended		11 Months Ended	12 Months Ended
	Apr. 01, 2021 item	Jun. 30, 2020 USD ($)	Feb. 28, 2022 item	Dec. 31, 2019 item	Apr. 23, 2021 item	Dec. 31, 2021 USD ($) item	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Apr. 30, 2021 USD ($)	Nov. 30, 2019 USD ($)
Basis Of Presentation [Line Items]
Deferred revenues						$ 6,536,000	$ 6,770,000
Liabilities in other accrued expenses						800,000	800,000
Advertising costs included in selling, general and administrative expenses						$ 2,800,000	2,200,000	$ 4,200,000
Project development costs		$ 250,000
Sports Wagering Agreements
Basis Of Presentation [Line Items]
Deferred revenues										$ 6,000,000
Number of contracted mobile sports operators in operations \| item						3
Sports Wagering Agreements \| Subsequent Event
Basis Of Presentation [Line Items]
Number of contracted mobile sports operators intended to cease operations \| item			1
Number of available contracted mobile sports operators \| item			1
Sports Wagering Agreements \| COLORADO
Basis Of Presentation [Line Items]
Deferred revenues						$ 2,000,000.0
Number of contracted mobile sports operators in operations \| item					3
Number Of Contracted Mobile Sports \| item						2
Sports Wagering Agreements \| COLORADO \| Rising Star Casino Resort
Basis Of Presentation [Line Items]
Deferred revenues							$ 1,000,000.0
Sports Wagering Agreements \| INDIANA
Basis Of Presentation [Line Items]
Number of contracted mobile sports operators in operations \| item	2			2
Sports Wagering Agreements \| INDIANA \| Bronco Billy's Casino and Hotel
Basis Of Presentation [Line Items]
Deferred revenues									$ 1,000,000.0