Revenue Recognition - Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Sep. 30, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 72,149	$ 60,139
Allowance for doubtful accounts	(22,278)	(19,367)
Accounts receivable, net	49,871	40,772
Gaming
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	38,051	37,921
Food and beverage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	22	13
Hotel
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	4,682	3,106
Retail, entertainment and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 29,394	$ 19,099