Acquired Card Receivables - Schedule of Change in Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Allowance For Credit Losses [Roll Forward]
Balance, beginning	$ 15,217	$ 24,868	$ 15,020	$ 20,883
Provision for expected credit losses	19,658	10,060	31,852	25,231
Charge-off amounts	(18,198)	(15,985)	(32,846)	(29,013)
Recoveries collected	2,865	1,825	5,516	3,667
Balance, ending	$ 19,542	$ 20,768	$ 19,542	$ 20,768