Acquired Card Receivables - Schedule of Acquired Card Receivables (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Acquired Card Receivables [Abstract]
Gross amount of acquired card receivables	$ 261,806	$ 148,833
Less: allowance for credit losses	(5,414)	(1,740)	$ 0
Total	$ 256,392	$ 147,093