Strategic Investments - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Schedule of Equity Method Investments [Line Items]
Income from equity method investments	$ 1,475	$ 1,153
Cash Converters International Limited
Schedule of Equity Method Investments [Line Items]
Shares owned (in shares)	273,939,157
Ownership percentage	43.70%
Dividends from unconsolidated affiliates	$ 1,900	1,700
Cash Converted International Limited
Schedule of Equity Method Investments [Line Items]
Income from equity method investments	1,600	$ 1,200
Founders One LLC
Schedule of Equity Method Investments [Line Items]
Payments to acquire equity investment			$ 15,000	$ 15,000	$ 15,000
Notes receivable, net	15,000			$ 15,000
Equity securities, fair value	$ 45,000		$ 45,000