Acquired Card Receivables - Summary of Modified Card Receivables (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2023	Mar. 31, 2023
Financing Receivable, Past Due [Line Items]
Total card receivables	$ 836	$ 4,628
Principal subject to forgiveness
Financing Receivable, Past Due [Line Items]
Total card receivables	0	81
Principal subject to late fee forgiveness
Financing Receivable, Past Due [Line Items]
Total card receivables	0	696
Other-than-insignificant payment delay
Financing Receivable, Past Due [Line Items]
Total card receivables	0	2,439
Payment term extension
Financing Receivable, Past Due [Line Items]
Total card receivables	$ 836	$ 1,412