Supplemental Consolidated Financial Information - Supplemental Consolidated Balance Sheet Information (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Gross pawn service charges receivable	$ 27,259	$ 41,838
Allowance for uncollectible pawn service charges receivable	(6,679)	(10,036)
Pawn service charges receivable, net	20,580	31,802
Gross inventory	108,205	189,092
Inventory reserves	(12,314)	(9,737)
Inventory, net	95,891	179,355
Prepaid expenses and other	10,614	4,784
Accounts receivable and other	6,991	10,889
Income taxes prepaid and receivable	15,298	10,248
Prepaid expenses and other current assets	32,903	25,921
Accounts payable	19,114	25,946
Accrued payroll	12,993	6,149
Bonus accrual	4,895	9,901
Other payroll related expenses	9,071	5,040
Accrued interest	2,793	2,793
Accrued rent and property taxes	6,545	11,702
Accrued sales and VAT taxes	9,291	10,680
Deferred revenues	2,986	2,929
Other accrued expenses	3,173	2,510
Income taxes payable	643	307
Account payable, accrued expenses and other current liabilities	71,504	77,957
Unrecognized tax benefits, non-current	4,214	1,362
Other long-term liabilities	6,635	5,940
Other long-term liabilities	$ 10,849	$ 7,302