Acquisitions - Additional Information (Details)		1 Months Ended		3 Months Ended	9 Months Ended
	Jun. 09, 2021 USD ($) store shares	Jun. 30, 2021 USD ($)	May 31, 2021 store	Jun. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)
Business Acquisition [Line Items]
Number of stores | store	1,143
Value of the company’s Class A Non-Voting common stock					$ 1,547,000	$ 0
Additional contingent payments		$ 4,608,000		$ 4,608,000	4,608,000	$ 0
Goodwill expected to be tax deductible	$ 0
Acquisition related costs				$ 200,000	$ 400,000
Texas Pawn Stores
Business Acquisition [Line Items]
Number of stores acquired | store			11
Latin America
Business Acquisition [Line Items]
Number of stores | store	627
MEXICO
Business Acquisition [Line Items]
Number of stores | store	503
Bajio
Business Acquisition [Line Items]
Percentage of voting interests acquired	100.00%
Initial purchase price	$ 23,600,000
Payments to acquire businesses	17,400,000
Payments to acquire business, paid at closing	11,600,000
Payments to acquire business, accrued and held as restricted cash	$ 5,800,000
Shares of the company’s Class A Non-Voting common stock (in shares) | shares	212,870
Value of the company’s Class A Non-Voting common stock	$ 1,600,000
Additional contingent payments	$ 4,600,000
Additional payment term	2 years
Repayment of debt	$ 14,900,000
Net revenues		1,700,000
Net income		$ 100,000
Bajio | Trade Names
Business Acquisition [Line Items]
Intangible assets	$ 4,000,000.0
Bajio | MEXICO
Business Acquisition [Line Items]
Number of stores acquired | store	128