Goodwill and Intangible Assets - Intangible Assets By Major Class (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	$ 24,005	$ 29,455
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	58,638	68,044
Trade names
Indefinite-lived Intangible Assets [Line Items]
Trade names	19,094	19,938
Accumulated impairment losses	(4,598)	0
Indefinite-lived intangible assets	14,496	19,938
Pawn licenses
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	9,509	9,517
Computer Software, Intangible Asset
Finite-Lived Intangible Assets [Line Items]
Carrying amount	67,457	59,436
Accumulated amortization	(33,646)	(24,280)
Accumulated impairment losses	(2,579)	0
Net book value	31,232	35,156
Noncompete Agreements
Finite-Lived Intangible Assets [Line Items]
Carrying amount	3,417	3,563
Accumulated amortization	(3,394)	(3,399)
Net book value	23	164
Other Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Carrying amount	5,600	5,598
Accumulated amortization	(2,222)	(2,329)
Net book value	$ 3,378	$ 3,269