Strategic Investments - Equity Method Investments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2022
Summary of financial information for Cash Converters International Limited
Current assets	$ 686,652	$ 612,771	$ 686,652		$ 612,771		$ 644,163
Total assets	1,420,532	1,299,996	1,420,532		1,299,996		1,347,878
Current liabilities	145,377	137,187	145,377		137,187		152,866
Total liabilities and equity	1,420,532	1,299,996	1,420,532		1,299,996		$ 1,347,878
Gross profit	149,182	128,928	301,679		261,039
Net profit	$ (6,790)	$ 14,887	$ 9,988		$ 30,608
Cash Converters International Limited
Summary of financial information for Cash Converters International Limited
Current assets				$ 189,179		$ 162,558
Non-current assets				98,301		185,780
Total assets				287,480		348,338
Current liabilities				91,601		59,701
Non-current liabilities				56,792		59,915
Shareholders’ equity				139,087		228,722
Total liabilities and equity				287,480		348,338
Gross revenues				98,768		84,185
Gross profit				63,800		55,280
Net profit				$ (73,197)		$ 1