Revenue Recognition - Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable	$ 65,789	$ 60,139
Allowance for doubtful accounts	(21,071)	(19,367)
Accounts receivable, net	44,718	40,772
Gaming
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable	41,445	37,921
Food and beverage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable	16	13
Hotel
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable	3,517	3,106
Retail, entertainment and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable	$ 20,811	$ 19,099