Segment Information - Reconciliation of Segment Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Sep. 30, 2024	Mar. 31, 2024
Segment Reporting Information [Line Items]
Pawn loans	$ 261,830	$ 274,084	$ 235,773
Pawn service charges receivable, net	42,323	44,013	38,268
Inventory, net	207,783	191,923	163,429
Total assets	1,829,628	1,493,237	1,508,142
Operating Segments | U.S. Pawn
Segment Reporting Information [Line Items]
Pawn loans	199,418	214,306	173,744
Pawn service charges receivable, net	37,345	39,194	33,218
Inventory, net	156,816	138,624	121,863
Total assets	1,346,150	1,009,226	1,003,447
Operating Segments | Latin America Pawn
Segment Reporting Information [Line Items]
Pawn loans	62,412	59,778	62,029
Pawn service charges receivable, net	4,978	4,819	5,050
Inventory, net	50,967	53,299	41,566
Total assets	318,833	311,824	330,256
Operating Segments | Other Investments
Segment Reporting Information [Line Items]
Pawn loans	0	0	0
Pawn service charges receivable, net	0	0	0
Inventory, net	0	0	0
Total assets	81,258	79,421	81,238
Corporate Items
Segment Reporting Information [Line Items]
Pawn loans	0	0	0
Pawn service charges receivable, net	0	0	0
Inventory, net	0	0	0
Total assets	$ 83,387	$ 92,766	$ 93,201