Segment Information - Revenues and Long-Lived Assets by Geographic Information (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Sep. 30, 2022	Mar. 31, 2022
Segment Reporting Information [Line Items]
Pawn loans	$ 206,096	$ 210,009	$ 173,618
Inventory, net	150,297	$ 151,615	119,890
Segments | U.S. Pawn
Segment Reporting Information [Line Items]
Pawn loans	157,043		133,515
Inventory, net	112,147		93,320
Segments | Latin America Pawn
Segment Reporting Information [Line Items]
Pawn loans	49,053		40,103
Inventory, net	38,150		26,570
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