Cover - shares	3 Months Ended
	Dec. 31, 2020	Feb. 05, 2021
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2020
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2021
Current Fiscal Year End Date	--09-30
Entity File Number	001-13992
Entity Registrant Name	RCI HOSPITALITY HOLDINGS, INC.
Entity Central Index Key	0000935419
Entity Tax Identification Number	76-0458229
Entity Incorporation, State or Country Code	TX
Entity Address, Address Line One	10737 Cutten Road
Entity Address, City or Town	Houston
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77066
City Area Code	(281)
Local Phone Number	397-6730
Title of 12(b) Security	Common stock, $0.01 par value
Trading Symbol	RICK
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		8,999,910