Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Jul. 29, 2022
Document and Entity Information
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2022
Entity File Number	0-22088
Entity Registrant Name	MONARCH CASINO & RESORT, INC
Entity Incorporation, State or Country Code	NV
Entity Tax Identification Number	88-0300760
Entity Address, Address Line One	3800 S. Virginia St.
Entity Address, City or Town	Reno
Entity Address, State or Province	NV
Entity Address, Postal Zip Code	89502
City Area Code	775
Local Phone Number	335-4600
Title of 12(b) Security	Common Stock, $0.01 par value per share
Trading Symbol	MCRI
Security Exchange Name	NASDAQ
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		18,888,070
Entity Central Index Key	0000907242
Document Fiscal Year Focus	2022
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Amendment Flag	false