Segment Information (Details Narrative) - USD ($)	3 Months Ended																								12 Months Ended
	Sep. 30, 2020	[1]	Jun. 30, 2020	[1]	Mar. 31, 2020	[1]	Dec. 31, 2019	[1]	Sep. 30, 2019	[2]	Jun. 30, 2019	[2]	Mar. 31, 2019	[2]	Dec. 31, 2018	[2]	Sep. 30, 2018	[3]	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]
Revenues	$ 28,786,000		$ 14,721,000		$ 40,426,000		$ 48,394,000		$ 45,183,000		$ 47,027,000		$ 44,826,000		$ 44,023,000		$ 40,676,000		$ 42,634,000		$ 41,226,000		$ 41,212,000		$ 132,327,000	$ 181,059,000	$ 165,748,000
Nightclubs [Member]
Segment Reporting Information [Line Items]
Revenues																									88,373,000	148,606,000	140,060,000
Nightclubs [Member] | Intercompany Rental Revenue [Member]
Segment Reporting Information [Line Items]
Revenues																									11,100,000	10,000,000.0	9,000,000.0
Other Segment [Member] | Intercompany Sales [Member]
Segment Reporting Information [Line Items]
Revenues																									$ 70	$ 140	$ 26

[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.