Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands		3 Months Ended																								12 Months Ended
		Sep. 30, 2020		Jun. 30, 2020		Mar. 31, 2020		Dec. 31, 2019		Sep. 30, 2019		Jun. 30, 2019		Mar. 31, 2019		Dec. 31, 2018		Sep. 30, 2018		Jun. 30, 2018	[3]	Mar. 31, 2018	[3]	Dec. 31, 2017	[3]	Sep. 30, 2020		Sep. 30, 2019		Sep. 30, 2018
Segment Reporting Information [Line Items]
Total revenues		$ 28,786	[1]	$ 14,721	[1]	$ 40,426	[1]	$ 48,394	[1]	$ 45,183	[2]	$ 47,027	[2]	$ 44,826	[2]	$ 44,023	[2]	$ 40,676	[3]	$ 42,634		$ 41,226		$ 41,212		$ 132,327		$ 181,059		$ 165,748
Income (loss) from operations		192	[1]	(4,657)	[1]	(2,475)	[1]	9,686	[1]	2,429	[2]	9,974	[2]	11,166	[2]	11,132	[2]	699	[3]	$ 9,492		$ 8,231		$ 9,140		2,746		34,701		27,562
Capital expenditures																										5,736		20,708		25,263
Depreciation and amortization																										8,836		9,072		7,722
Total assets		360,933	[4]	$ 361,493		$ 363,015		$ 377,292		354,756	[4]	$ 351,997		$ 351,992		$ 350,641		329,732	[4]							360,933	[4]	354,756	[4]	329,732	[4]
Nightclubs [Member]
Segment Reporting Information [Line Items]
Total revenues																										88,373		148,606		140,060
Income (loss) from operations																										13,118		50,724		43,624
Capital expenditures																										3,477		6,645		2,052
Depreciation and amortization																										5,799		6,401		5,404
Total assets	[4]	277,960								274,071								252,335								277,960		274,071		252,335
Bombshells [Member]
Segment Reporting Information [Line Items]
Total revenues																										43,215		30,828		24,094
Income (loss) from operations																										9,245		2,307		2,040
Capital expenditures																										2,114		10,457		22,522
Depreciation and amortization																										1,785		1,374		1,265
Total assets	[4]	48,991								44,144								39,560								48,991		44,144		39,560
Other [Member]
Segment Reporting Information [Line Items]
Total revenues																										739		1,625		1,594
Income (loss) from operations																										(684)		(309)		(252)
Capital expenditures																												27		33
Depreciation and amortization																										415		416		179
Total assets	[4]	1,269								1,773								1,978								1,269		1,773		1,978
General Corporate [Member]
Segment Reporting Information [Line Items]
Income (loss) from operations																										(18,933)		(18,021)		(17,850)
Capital expenditures																										145		3,579		656
Depreciation and amortization																										837		881		874
Total assets	[4]	$ 32,713								$ 34,768								$ 35,859								$ 32,713		$ 34,768		$ 35,859

[1] Fiscal year 2020 revenues during the second through the fourth quarter were significantly affected by the COVID-19 pandemic. Income (loss) from operations, net income (loss) attributable to RCIHH stockholders, and earnings (loss) per share included the impact of a $10.6 million in asset impairments ($8.2 million in the second quarter, $982,000 in the third quarter, and $1.4 million in the fourth quarter). Net loss attributable to RCIHH stockholders and loss per share during the fourth quarter was also affected by the $1.3 million valuation allowance on our deferred tax assets. Quarterly effective income tax expense (benefit) rate was 22.0%, (28.9)%, (20.5)%, and 36.3% from first to fourth quarter, respectively.

[2] Fiscal year 2019 income from operations, net income attributable to RCIHH stockholders, and earnings per share included the impact of a $6.0 million in asset impairments in the fourth quarter, a $2.9 million net gain on sale of businesses and assets ($1.2 million in the first quarter, $1.1 million in the second quarter, $0.3 million in the third quarter, and $0.4 million in the fourth quarter), and a $0.8 million net gain on insurance ($0.1 million net loss in the third quarter and $0.9 million net gain in the fourth quarter). Quarterly effective income tax expense (benefit) rate was 8.4%, 22.3%, 24.1%, and (371.7)% from first to fourth quarter, respectively. See Note 4 related to revision of prior year immaterial misstatement.

[3] Fiscal year 2018 income from operations, net income attributable to RCIHH stockholders, and earnings per share included the impact of a $1.6 million loss on disposition in the second quarter, a $5.6 million in asset impairments ($1.6 million in the second quarter and $4.0 million in the fourth quarter), and a $8.8 million deferred income tax benefit related to the revaluation of deferred tax assets and liabilities ($9.7 million credit in the first quarter, $38,000 expense in the second quarter, and $827,000 expense in the fourth quarter). Quarterly effective income tax expense (benefit) rate was (134.3)%, 24.2%, 25.3%, and 103.8% from first to fourth quarter, respectively.

[4] See Note 4 for a discussion of revision of prior year immaterial misstatement.