Goodwill and Intangible Assets - Intangible Assets By Major Class (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2020
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	$ 28,132	$ 24,005
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	62,104	58,638
Trade names
Indefinite-lived Intangible Assets [Line Items]
Non-amortizing intangible assets	23,036	19,094
Accumulated impairment losses	(4,598)	(4,598)
Indefinite-lived intangible assets	18,438	14,496
Pawn licenses
Indefinite-lived Intangible Assets [Line Items]
Non-amortizing intangible assets	9,694	9,509
Computer Software, Intangible Asset
Finite-Lived Intangible Assets [Line Items]
Carrying amount	78,174	67,457
Accumulated amortization	(43,710)	(33,646)
Accumulated impairment losses	(2,579)	(2,579)
Net book value	31,885	31,232
Noncompete Agreements
Finite-Lived Intangible Assets [Line Items]
Carrying amount	3,502	3,417
Accumulated amortization	(3,502)	(3,394)
Net book value	0	23
Other Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Carrying amount	4,452	5,600
Accumulated amortization	(2,365)	(2,222)
Net book value	$ 2,087	$ 3,378