Goodwill and Intangible Assets - Additional Information (Details)	3 Months Ended			12 Months Ended
	Sep. 30, 2023 USD ($) store	Dec. 31, 2022 USD ($) store	Mar. 31, 2020 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)
Goodwill [Line Items]
Goodwill impairment loss			$ 41,300,000	$ 0	$ 0
Payment to acquire properties	$ 1,900,000	$ 13,000,000
Additions to goodwill	$ 900,000	$ 9,500,000		10,439,000	1,032,000
Impairment of long-lived assets				0
Definite-lived intangible assets, amortization expense				10,000,000	11,700,000	$ 11,300,000
Houston Texas
Goodwill [Line Items]
Number of properties acquired | store		9
Las Vegas, Nevada
Goodwill [Line Items]
Number of properties acquired | store		1
Nashville, Tennessee
Goodwill [Line Items]
Number of properties acquired | store	1
San Antonio, Texas
Goodwill [Line Items]
Number of properties acquired | store	1
Computer Software, Intangible Asset
Goodwill [Line Items]
Impairment of intangible assets					2,400,000
U.S. Pawn
Goodwill [Line Items]
Goodwill impairment loss			10,000,000
Additions to goodwill				10,439,000	1,032,000
Latin America Pawn
Goodwill [Line Items]
Goodwill impairment loss			$ 31,300,000
Additions to goodwill				$ 0	$ 0