Acquired Card Receivables - Schedule of Acquired Card Receivables (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021
Acquired Card Receivables [Abstract]
Gross amount of acquired card receivables	$ 392,843		$ 261,806
Less: allowance for credit losses	(11,948)	$ (7,541)	(5,414)	$ (4,607)	$ (3,717)	$ (1,740)
Total	$ 380,895		$ 256,392