Acquired Card Receivables - Summary of Acquired Card Receivables by Class (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Financing Receivable, Past Due [Line Items]
Total	$ 242,911	$ 148,833
Current and Less than 30 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	237,847	145,993
30 ~ 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	1,773	1,188
60 ~ 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	1,613	580
90 ~ 119 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	1,583	713
Over 119 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	$ 95	$ 359