Acquired Card Receivables - Schedule of Acquired Card Receivables (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Acquired Card Receivables [Abstract]
Gross amount of acquired card receivables	$ 474,148	$ 261,806
Less: allowance for credit losses	(15,498)	(5,414)	$ (1,740)
Total	$ 458,650	$ 256,392