Supplemental Consolidated Financial Information - Supplemental Consolidated Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Gross pawn service charges receivable	$ 50,919	$ 50,881	$ 44,397
Allowance for uncollectible pawn service charges receivable	(10,917)	(11,996)	(9,476)
Pawn service charges receivable, net	40,002	38,885	34,921
Gross inventory	167,660	169,138	159,286
Inventory reserves	(2,733)	(2,661)	(3,222)
Inventory, net	164,927	166,477	156,064
Prepaid expenses and other	6,868	4,106	11,581
Accounts receivable, notes receivable and other	34,032	30,548	22,730
Income taxes prepaid and receivable	3,101	4,969	11,248
Prepaid expenses and other current assets	44,001	39,623	45,559
Property and equipment, gross	352,291	345,461	312,502
Accumulated depreciation	(283,293)	(277,365)	(256,890)
Property and equipment, net	68,998	68,096	55,612
Accounts payable	18,200	23,022	20,220
Accrued payroll	7,682	11,472	4,952
Incentive accrual	6,859	18,544	6,010
Other payroll related expenses	7,849	5,262	10,911
Accrued sales and VAT taxes	6,089	5,565	8,086
Accrued income taxes payable	9,068	2,628	2,562
Other current liabilities	13,639	15,112	17,189
Accounts payable, accrued expenses and other current liabilities	$ 69,386	$ 81,605	$ 69,930