Segment Reporting - Revenues and Long-Lived Assets by Geographic Information (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Sep. 30, 2021	Jun. 30, 2021
Segment Reporting Information [Line Items]
Pawn loans	$ 204,155	$ 175,901	$ 157,155
Inventory, net	132,713	$ 110,989	92,242
Segments | U.S. Pawn
Segment Reporting Information [Line Items]
Pawn loans	159,680		117,186
Inventory, net	101,831		69,136
Segments | Latin America Pawn
Segment Reporting Information [Line Items]
Pawn loans	44,475		39,969
Inventory, net	30,882		23,106
Segments | Other Investments
Segment Reporting Information [Line Items]
Pawn loans	0		0
Inventory, net	0		0
Corporate Items
Segment Reporting Information [Line Items]
Pawn loans	0		0
Inventory, net	$ 0		$ 0