Acquired Card Receivables - Schedule of Acquired Card Receivables (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021
Acquired Card Receivables [Abstract]
Gross amount of acquired card receivables	$ 242,911		$ 148,833
Less: allowance for credit losses	(5,400)	$ (4,607)	(1,740)
Total	$ 237,511		$ 147,093