Acquisitions - Schedule of Purchase Price Allocation (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2019
Business Acquisition [Line Items]
Goodwill	$ 285,758	$ 257,582	$ 300,527
Bajio
Business Acquisition [Line Items]
Cash and cash equivalents	308
Pawn loans	4,619
Pawn service charges receivable	1,335
Inventory	1,319
Property and equipment	2,025
Right-of-use assets	10,651
Goodwill	26,100
Intangible assets	3,965
Deferred tax asset, net	381
Other assets	746
Accounts payable, accrued expenses and other liabilities	(2,290)
Debt	(14,931)
Lease liabilities	(10,651)
Total consideration	$ 23,577